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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Zghiche A, Palano A, Pompili A, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Ofte I, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Charles E, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Mir LM, Oddone PJ, Orimoto TJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Boyd JT, Chevalier N, Clark PJ, Cottingham WN, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Arisaka K, Buchanan C, Chun S, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Berryhill JW, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Mazur MA, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Porter FC, Ryd A, Samuel A, Yang S, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, van Hoek WC, Zhang L, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Altenburg D, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Piemontese L, Sarti A, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Robutti E, Santroni A, Tosi S, Morii M, Bartoldus R, Grenier GJ, Mallik U, Cochran J, Crawley HB, Lamsa J, Meyer WT, Rosenberg EI, Yi J, Davier M, Grosdidier G, Höcker A, Lacker HM, Laplace S, Le Diberder F, Lepeltier V, Lutz AM, Petersen TC, Plaszczynski S, Schune MH, Tantot L, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Morton GW, Nash JA, Sanders P, Smith D, Taylor GP, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, Flaecher HU, George S, Green MG, Kurup A, Marker CE, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Winter MA, Brown D, Davis CL, Allison J, Barlow RJ, Forti AC, Jackson F, Lafferty GD, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Hast C, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Iwasaki M, Potter CT, Sinev NB, Strom D, Torrence E, Colecchia F, Dorigo A, Galeazzi F, Margoni M, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Voci C, Benayoun M, Briand H, Chauveau J, David P, de la Vaissière C, Del Buono L, Hamon O, Leruste P, Ocariz J, Pivk M, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Calderini G, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Elmer P, Lu C, Miftakov V, Olsen J, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Bellini F, Cavoto G, Del Re D, Faccini R, Ferrarotto F, Ferroni F, Leonardi E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Wagner G, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Giraud PF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Schott G, Serfass B, Vasseur G, Yeche C, Zito M, Purohit MV, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Grauges E, Haas T, Hadig T, Halyo V, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Simi G, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weaver M, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Dittongo S, Lanceri L, Poropat P, Vitale L, Vuagnin G, Panvini RS, Banerjee SW, Brown CM, Fortin D, Jackson PD, Kowalewski R, Roney JM, Band HR, Dasu S, Datta M, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Mohapatra A, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu J, Wu SL, Yu Z, Neal H. Measurement of the B0-->J/psipi+pi- branching fraction. PHYSICAL REVIEW LETTERS 2003; 90:091801. [PMID: 12689213 DOI: 10.1103/physrevlett.90.091801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2002] [Indexed: 05/24/2023]
Abstract
We present a measurement of the branching fraction for the decay of the neutral B meson into the final state J/psipi(+)pi(-). The data set contains approximately 56 x 10(6) BB pairs produced at the Upsilon(4S) resonance and recorded with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) storage ring. The result of this analysis is B(B0-->J/psipi(+)pi(-))=(4.6+/-0.7+/-0.6) x 10(-5), where the first error is statistical and the second is systematic. In addition, we measure B(B0-->J/psirho(0))=(1.6+/-0.6+/-0.4) x 10(-5).
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Zghiche A, Palano A, Pompili A, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Ofte I, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Charles E, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Mir LM, Oddone PJ, Orimoto TJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Boyd JT, Chevalier N, Clark PJ, Cottingham WN, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Buchanan C, Chun S, Hadavand HK, Hill EJ, MacFarlane DB, Paar H, Prell S, Rahatlou S, Raven G, Schwanke U, Sharma V, Berryhill JW, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Mazur MA, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Porter FC, Ryd A, Samuel A, Yang S, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, van Hoek WC, Zhang L, Harton JL, Hu T, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Altenburg D, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Piemontese L, Sarti A, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Robutti E, Santroni A, Tosi S, Bailey S, Morii M, Bartoldus R, Grenier GJ, Mallik U, Cochran J, Crawley HB, Lamsa J, Meyer WT, Rosenberg EI, Yi J, Davier M, Grosdidier G, Höcker A, Lacker HM, Laplace S, Le Diberder F, Lepeltier V, Lutz AM, Petersen TC, Plaszczynski S, Schune MH, Tantot L, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Morton GW, Nash JA, Sanders P, Smith D, Taylor GP, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, Flaecher HU, George S, Green MG, Kurup A, Marker CE, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Winter MA, Brown D, Davis CL, Allison J, Barlow RJ, Forti AC, Jackson F, Lafferty GD, Lyon AJ, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Hast C, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Iwasaki M, Potter CT, Sinev NB, Strom D, Torrence E, Colecchia F, Dorigo A, Galeazzi F, Margoni M, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Voci C, Benayoun M, Briand H, Chauveau J, David P, de la Vaissière C, Del Buono L, Hamon O, Leruste P, Ocariz J, Pivk M, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Calderini G, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Danielson N, Elmer P, Lu C, Miftakov V, Olsen J, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Bellini F, Cavoto G, del Re D, Faccini R, Ferrarotto F, Ferroni F, Leonardi E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Wagner G, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Giraud PF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Schott G, Serfass B, Vasseur G, Yeche C, Zito M, Purohit MV, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Grauges E, Haas T, Hadig T, Halyo V, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Simi G, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weaver M, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Dittongo S, Lanceri L, Poropat P, Vitale L, Vuagnin G, Panvini RS, Banerjee SW, Brown CM, Fortin D, Jackson PD, Kowalewski R, Roney JM, Band HR, Dasu S, Datta M, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Mohapatra A, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu J, Wu SL, Yu Z, Neal H. Measurements of branching fractions and CP-violating asymmetries in B0-->pi+pi-, K+pi-, K+K- decays. PHYSICAL REVIEW LETTERS 2002; 89:281802. [PMID: 12513134 DOI: 10.1103/physrevlett.89.281802] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2002] [Indexed: 05/24/2023]
Abstract
We present measurements of branching fractions and CP-violating asymmetries for two-body neutral B meson decays to charged pions and kaons based on a sample of about 88x10(6) Upsilon(4S)-->BB decays. From a time-independent fit we measure the charge-averaged branching fractions B(B0-->pi+pi-)=(4.7+/-0.6+/-0.2)x10(-6), B(B0-->K+pi-)=(17.9+/-0.9+/-0.7)x10(-6), and the direct CP-violating charge asymmetry A(Kpi)=-0.102+/-0.050+/-0.016 [-0.188,-0.016], where the ranges in square brackets indicate the 90% confidence intervals. From a time-dependent fit we measure the B0-->pi+pi- CP-violating parameters S(pipi)=0.02+/-0.34+/-0.05 [-0.54,+0.58] and C(pipi)=-0.30+/-0.25+/-0.04 [-0.72,+0.12].
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278
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Zghiche A, Palano A, Pompili A, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Ofte I, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Charles E, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Mir LM, Oddone PJ, Orimoto TJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Boyd JT, Chevalier N, Clark PJ, Cottingham WN, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Buchanan C, Chun S, Hadavand HK, Hill EJ, MacFarlane DB, Paar H, Prell S, Rahatlou S, Raven G, Schwanke U, Sharma V, Berryhill JW, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Mazur MA, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Porter FC, Ryd A, Samuel A, Yang S, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, van Hoek WC, Zhang L, Harton JL, Hu T, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Altenburg D, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Piemontese L, Sarti A, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Robutti E, Santroni A, Tosi S, Bailey S, Morii M, Bartoldus R, Grenier GJ, Mallik U, Cochran J, Crawley HB, Lamsa J, Meyer WT, Rosenberg EI, Yi J, Davier M, Grosdidier G, Höcker A, Lacker HM, Laplace S, Le Diberder F, Lepeltier V, Lutz AM, Petersen TC, Plaszczynski S, Schune MH, Tantot L, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Morton GW, Nash JA, Sanders P, Smith D, Taylor GP, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, Flaecher HU, George S, Green MG, Kurup A, Marker CE, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Winter MA, Brown D, Davis CL, Allison J, Barlow RJ, Forti AC, Jackson F, Lafferty GD, Lyon AJ, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Hast C, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Iwasaki M, Potter CT, Sinev NB, Strom D, Torrence E, Colecchia F, Dorigo A, Galeazzi F, Margoni M, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Voci C, Benayoun M, Briand H, Chauveau J, David P, de la Vaissière C, Del Buono L, Hamon O, Leruste P, Ocariz J, Pivk M, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Calderini G, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Danielson N, Elmer P, Lu C, Miftakov V, Olsen J, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Bellini F, Cavoto G, del Re D, Faccini R, Ferrarotto F, Ferroni F, Leonardi E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Wagner G, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Giraud PF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Schott G, Serfass B, Vasseur G, Yeche C, Zito M, Purohit MV, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Grauges E, Haas T, Hadig T, Halyo V, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Simi G, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weaver M, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Dittongo S, Lanceri L, Poropat P, Vitale L, Vuagnin G, Panvini RS, Banerjee S, Brown CM, Fortin D, Jackson PD, Kowalewski R, Roney JM, Band HR, Dasu S, Datta M, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Mohapatra A, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu J, Wu SL, Yu Z, Neal H. Measurement of the CP asymmetry amplitude sin2beta with B0 mesons. PHYSICAL REVIEW LETTERS 2002; 89:201802. [PMID: 12443469 DOI: 10.1103/physrevlett.89.201802] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2002] [Revised: 09/06/2002] [Indexed: 05/24/2023]
Abstract
We present results on time-dependent CP asymmetries in neutral B decays to several CP eigenstates. The measurements use a data sample of about 88 x 10(6) Upsilon(4S)-->B(-)B decays collected between 1999 and 2002 with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. We study events in which one neutral B meson is fully reconstructed in a final state containing a charmonium meson and the other B meson is determined to be either a B(0) or B(-0) from its decay products. The amplitude of the CP asymmetry, which in the standard model is proportional to sin2beta, is derived from the decay-time distributions in such events. We measure sin2beta=0.741+/-0.067(stat)+/-0.034(syst) and |lambda|=0.948+/-0.051(stat)+/-0.030(syst). The magnitude of lambda is consistent with unity, in agreement with the standard model expectation of no direct CP violation in these modes.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Zghiche A, Palano A, Pompili A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Oddone PJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, Foster B, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Arisaka K, Buchanan C, Chun S, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Mazur MA, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Yang S, Zhu RY, Devmal S, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, Van Hoek WC, Zhang L, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, De Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Robutti E, Santroni A, Tosi S, Morii M, Bartoldus R, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Yi J, Grosdidier G, Höcker A, Lacker HM, Laplace S, Le Diberder F, Lepeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, Van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Morton GW, Nash JA, Sanders P, Smith D, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, George S, Green MG, Kurup A, Marker CE, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Jackson F, Lafferty GD, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Hast C, Nief JY, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Grauges E, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, De Vaissière C, Del Buono L, Hamon O, Leruste P, Ocariz J, Pivk M, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Lu C, Miftakov V, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Cavoto G, Del Re D, Faccini R, Ferrarotto F, Ferroni F, Mazzoni MA, Morganti S, Piredda G, Serra M, Voena C, Christ S, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yèche C, Zito M, Purohit MV, Singh H, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Calderini G, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Haas T, Halyo V, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weaver M, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Dittongo S, Lanceri L, Poropat P, Vuagnin G, Panvini RS, Brown CM, Jackson PD, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Datta M, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Pan Y, Prepost R, Scott IJ, Sekula SJ, Von Wimmersperg-Toeller JH, Wu SL, Yu Z, Kordich TMB, Neal H. Measurement of the branching fraction and CP content for the decay B0-->D(*+)D(*-). PHYSICAL REVIEW LETTERS 2002; 89:061801. [PMID: 12190575 DOI: 10.1103/physrevlett.89.061801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2002] [Indexed: 05/23/2023]
Abstract
We report a measurement of the branching fraction of the decay B0-->D(*+)D(*-) and of the CP-odd component of its final state using the BABAR detector. With data corresponding to an integrated luminosity of 20.4 fb (-1) collected at the Upsilon(4S) resonance during 1999-2000, we have reconstructed 38 candidate signal events in the mode B0-->D(*+)D(*-) with an estimated background of 6.2+/-0.5 events. From these events, we determine the branching fraction to be B(B0-->D(*+)D(*-))=[8.3+/-1.6(stat)+/-1.2(syst)]x10(-4). The measured CP-odd fraction of the final state is 0.22+/-0.18(stat)+/-0.03(syst).
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Hwang JJ, Liao MH, Yen TC, Wey SP, Lin KJ, Pan WHT, Chen JC, Ting G. Biodistribution study of [99mTc] TRODAT-1 alone or combined with other dopaminergic drugs in mice with macroautoradiography. Appl Radiat Isot 2002; 57:35-42. [PMID: 12137024 DOI: 10.1016/s0969-8043(01)00253-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A 99mTc labeled tropane derivative, [99mTc] TRODAT-1 (2beta-((N,N'-bis(2-mercaptoethyl) ethylene diamino)methyl), 3beta-(4-chlorophenyl) tropane), is a potential dopamine transporter (DAT) imaging agent for the central nervous system. To better understand the binding localization of [99mTc] TRODAT-1 both in the brain and the body, whole-body macroautoradiography (WBAR) was used in this study. The effect of DAT competing drugs, such as levadopa (L-DOPA), N-methyl-2beta-carbomethoxy-3beta-(4fluorophenyl)tropane (CFT, WIN 35,428) and methylphenidate, on the biodistribution of [99mTc] TRODAT-1 were also included in this study. Doses of 150 MBq [99mTc] TRODAT-1 were injected into normal male ICR mice through the caudal veins. For comparison, mice treated with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), L-DOPA, methylphenidate and CFT, respectively, were also investigated under the similar protocols. One and a half hours after [99mTc] TRODAT-1 injection, the mice were sacrificed. Whole-body autoradiography was performed immediately after sacrifice. Both frontal and sagittal sections showed that the liver and mucosa of stomach had the highest uptake of [99mTc] TRODAT-1. Other binding sites included the periphery of the spinal cord and the epithelium of the intestine. In the brain, autoradiographic imaging obtained from frontal sections showed symmetrical uptakes of [99mTc] TRODAT-1 in bilateral striata. Remaining binding sites include olfactory bulbs, thyroid gland, and salivary gland. The autoradiographic imaging obtained from sagittal sections showed a similar biodistribution. Mice treated with MPTP or L-DOPA showed no significant difference in the uptake of [99mTc] TRODAT-1 in bilateral striata, as compared to those of the control. In CFT or methylphenidate-treated mice, DAT binding sites were almost completely inhibited. These data showed that [99mTc] TRODAT-1 has potential clinical use for neurological investigation, such as Parkinson's and similar diseases.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Zghiche A, Palano A, Pompili A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Oddone PJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, Foster B, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Arisaka K, Buchanan C, Chun S, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Mazur MA, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, van Hoek WC, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Dittongo S, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Pia MG, Robutti E, Santroni A, Tosi S, Morii M, Bartoldus R, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Grosdidier G, Hast C, Höcker A, Lacker HM, Laplace S, Lepeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJW, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Nief JY, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Grauges E, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, de la Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Ocariz J, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Elmer P, Lu C, Miftakov V, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Cavoto G, Del Re D, Faccini R, Ferrarotto F, Ferroni F, Lamanna E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yèche C, Zito M, Purohit MV, Singh H, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Calderini G, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Haas T, Halyo V, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Lanceri L, Poropat P, Vuagnin G, Panvini RS, Brown CM, Jackson PD, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu SL, Yu Z, Kordich TMB, Neal H. Measurement of the B(0) lifetime with partially reconstructed B(0)-->D(-)l(+)nu(l) decays. PHYSICAL REVIEW LETTERS 2002; 89:011802. [PMID: 12097031 DOI: 10.1103/physrevlett.89.011802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2002] [Indexed: 05/23/2023]
Abstract
The B(0) lifetime was measured with a sample of 23 million BB pairs collected by the BABAR detector at the PEP-II e(+)e(-) storage ring during 1999 and 2000. Events from the semileptonic decay B(0)-->D(*-)l(+)nu(l) have been selected with a partial reconstruction method in which only the charged lepton and the slow pi from the D*--->D(0)pi(-) decay are reconstructed. The result is tau(B(0)) = 1.529+/-0.012(stat)+/-0.029(syst) ps.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Pompili A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Oddone PJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, Foster B, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Arisaka K, Buchanan C, Chun S, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, van Hoek WC, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Dittongo S, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Pia MG, Robutti E, Santroni A, Tosi S, Morii M, Bartoldus R, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Grosdidier G, Hast C, Höcker A, Lacker HM, Laplace S, Lepeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJW, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Nief JY, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Grauges E, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, de la Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Ocariz J, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Elmer P, Lu C, Miftakov V, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Cavoto G, del Re D, Faccini R, Ferrarotto F, Ferroni F, Lamanna E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yèche C, Zito M, Purohit MV, Singh H, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Calderini G, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Haas T, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Lanceri L, Poropat P, Vuagnin G, Panvini RS, Brown CM, Jackson PD, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu SL, Yu Z, Kordich TMB, Neal H. Search for the rare decays B-->Kl(+)l(-) and B-->K(*)l(+)l(-). PHYSICAL REVIEW LETTERS 2002; 88:241801. [PMID: 12059291 DOI: 10.1103/physrevlett.88.241801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2002] [Indexed: 05/23/2023]
Abstract
We present results from a search for the flavor-changing neutral current decays B-->Kl(+)l(-) and B-->K(*)l(+)l(-), where l(+)l(-) is either an e(+)e(-) or mu(+)mu(-) pair. The data sample comprises 22.7 x 10(6) Upsilon(4S)-->B(-)B decays collected with the BABAR detector at the PEP-II B Factory. We obtain the 90% C.L. upper limits B(B-->Kl(+)l(-))<0.51 x 10(-6) and B(B-->K(*)l(+)l(-))<3.1 x 10(-6), close to standard model predictions for these branching fractions. We have also obtained limits on the lepton-family-violating decays B-->Ke+/-mu(-/+) and B-->K(*)e(+/-)mu(-/+).
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Zghiche A, Palano A, Pompili A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Oddone PJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, Foster B, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Arisaka K, Buchanan C, Chun S, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Mazur MA, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Yang S, Zhu RY, Devmal S, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, Van Hoek WC, Zhang L, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, De Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Robutti E, Santroni A, Tosi S, Morii M, Bartoldus R, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Yi J, Grosdidier G, Höcker A, Lacker HM, Laplace S, Le Diberder F, Lepeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, Van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Morton GW, Nash JA, Sanders P, Smith D, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, George S, Green MG, Kurup A, Marker CE, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Jackson F, Lafferty GD, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Hast C, Nief JY, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Grauges E, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, De La Vaissière C, Del Buono L, Hamon O, Leruste P, Ocariz J, Pivk M, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Lu C, Miftakov V, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Cavoto G, Del Re D, Faccini R, Ferrarotto F, Ferroni F, Mazzoni MA, Morganti S, Piredda G, Serra M, Voena C, Christ S, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Ganzhur SF, Giraud PF, De Monchenault GH, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yèche C, Zito M, Purohit MV, Singh H, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Calderini G, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Haas T, Halyo V, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weaver M, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Dittongo S, Lanceri L, Poropat P, Vuagnin G, Panvini RS, Brown CM, Jackson PD, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Datta M, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Pan Y, Prepost R, Scott IJ, Sekula SJ, Von Wimmersperg-Toeller JH, Wu SL, Yu Z, Kordich TMB, Neal H. Search for T and CP violation in B0-B-0 mixing with inclusive dilepton events. PHYSICAL REVIEW LETTERS 2002; 88:231801. [PMID: 12059351 DOI: 10.1103/physrevlett.88.231801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2002] [Indexed: 05/23/2023]
Abstract
We report the results of a search for T and CP violation in B0-B-0 mixing using an inclusive dilepton sample collected by the BABAR experiment at the PEP-II B Factory. The asymmetry between l+l+ and l-l- events allows us to compare the probabilities for B-0-->B0 and B0-->B-0 oscillations and thus probe T and CP invariance. Using a sample of 23 x 10(6) BB- pairs, we measure a same-sign dilepton asymmetry of A(T/CP) = [0.5+/-1.2(stat)+/-1.4(syst)]%. For the modulus of the ratio of complex mixing parameters p and q, we obtain q/p = 0.998+/-0.006(stat)+/-0.007(syst).
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Pompili A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Oddone PJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, Foster B, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Arisaka K, Buchanan C, Chun S, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, Van Hoek WC, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Dittongo S, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, De Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Pia MG, Robutti E, Santroni A, Tosi S, Morii M, Bartoldus R, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Grosdidier G, Hast C, Höcker A, Lacker HM, Laplace S, Lepeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, Van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJW, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Nief JY, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Grauges E, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, De Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Ocariz J, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Elmer P, Lu C, Miftakov V, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Cavoto G, Del Re D, Faccini R, Ferrarotto F, Ferroni F, Lamanna E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yèche C, Zito M, Purohit MV, Singh H, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Calderini G, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Haas T, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Lanceri L, Poropat P, Vuagnin G, Panvini RS, Brown CM, Jackson PD, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Pan Y, Prepost R, Scott IJ, Sekula SJ, Von Wimmersperg-Toeller JH, Wu SL, Yu Z, Kordich TMB, Neal H. Measurement of B0-B-0 flavor oscillations in hadronic B0 decays. PHYSICAL REVIEW LETTERS 2002; 88:221802. [PMID: 12059414 DOI: 10.1103/physrevlett.88.221802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2001] [Indexed: 05/23/2023]
Abstract
Flavor oscillations of neutral B mesons have been studied in e+e- annihilation data collected with the BABAR detector at center-of-mass energies near the upsilon(4S) resonance. The data sample used for this purpose consists of events in which one B0 meson is reconstructed in a hadronic decay mode, while the flavor of the recoiling B0 is determined with a tagging algorithm that exploits the correlation between the flavor of the heavy quark and the charges of its decay products. From the time development of the observed mixed and unmixed final states, we determine the B0-B-0 oscillation frequency deltamd to be 0.516+/-0.016(stat)+/-0.010(syst) ps-1.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Pompili A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Stugu B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Lynch G, Oddone PJ, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Bright-Thomas PG, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, Foster B, Mackay C, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Chao M, Kirkby D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Arisaka K, Buchanan C, Chun S, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Beringer J, Eisner AM, Grothe M, Heusch CA, Lockman WS, Pulliam T, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Ford WT, Nauenberg U, Olivas A, Rankin P, Roy J, Smith JG, Van Hoek WC, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Tinslay J, Falbo M, Borean C, Bozzi C, Dittongo S, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, De Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Lo Vetere M, Macri M, Monge MR, Passaggio S, Pastore FC, Patrignani C, Pia MG, Robutti E, Santroni A, Tosi S, Morii M, Bartoldus R, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Grosdidier G, Hast C, Höcker A, Lacker HM, Laplace S, Lepeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, Van Bibber K, Wright DM, Bevan AJ, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJW, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Bellodi G, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Weatherall JH, Williams JC, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Koptchev VB, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Palombo F, Bauer JM, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Nief JY, Taras P, Nicholson H, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Brau J, Frey R, Grauges E, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, De Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Ocariz J, Roos L, Stark J, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta J, Angelini C, Batignani G, Bettarini S, Bondioli M, Bucci F, Campagna E, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Marchiori G, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Elmer P, Lu C, Miftakov V, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Cavoto G, Del Re D, Faccini R, Ferrarotto F, Ferroni F, Lamanna E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, De Groot N, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yèche C, Zito M, Purohit MV, Singh H, Weidemann AW, Yumiceva FX, Adam I, Aston D, Berger N, Boyarski AM, Calderini G, Convery MR, Coupal DP, Dong D, Dorfan J, Dunwoodie W, Field RC, Glanzman T, Gowdy SJ, Haas T, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Muller DR, O'Grady CP, Ozcan VE, Perazzo A, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Roodman A, Salnikov AA, Schietinger T, Schindler RH, Schwiening J, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJR, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Izen JM, Kitayama I, Lou XC, Bianchi F, Bona M, Gamba D, Bosisio L, Della Ricca G, Lanceri L, Poropat P, Vuagnin G, Panvini RS, Brown CM, Jackson PD, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Eichenbaum AM, Hu H, Johnson JR, Liu R, Di Lodovico F, Pan Y, Prepost R, Scott IJ, Sekula SJ, Von Wimmersperg-Toeller JH, Wu SL, Yu Z, Kordich TMB, Neal H. Measurement of the B0-B-0 oscillation frequency with inclusive dilepton events. PHYSICAL REVIEW LETTERS 2002; 88:221803. [PMID: 12059415 DOI: 10.1103/physrevlett.88.221803] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2001] [Indexed: 05/23/2023]
Abstract
The B0-B-0 oscillation frequency has been measured with a sample of 23 x 10(6) BB- pairs collected with the BABAR detector at the PEP-II asymmetric B Factory at SLAC. In this sample, we select events in which both B mesons decay semileptonically and use the charge of the leptons to identify the flavor of each B meson. A simultaneous fit to the decay time difference distributions for opposite- and same-sign dilepton events gives deltamd = 0.493+/-0.012(stat)+/-0.009(syst) ps-1.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Reinertsen PL, Stugu B, Abbott B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan AV, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kluth S, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Liu T, Lynch G, Meyer AB, Momayezi M, Oddone PJ, Perazzo A, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Zisman MS, Bright-Thomas PG, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Krug J, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Andress JC, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, De Groot N, Dyce N, Foster B, McFall JD, Wallom D, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Tinslay J, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Salnikov AA, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Ahsan A, Arisaka K, Buchanan C, Chun S, Branson JG, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Witherell M, Yellin S, Beringer J, Dorfan DE, Eisner AM, Frey A, Grillo AA, Grothe M, Heusch CA, Johnson RP, Kroeger W, Lockman WS, Pulliam T, Sadrozinski H, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Fahey S, Ford WT, Johnson DR, Nauenberg U, Olivas A, Park H, Rankin P, Roy J, Sen S, Smith JG, van Hoek WC, Wagner DL, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dahlinger G, Dickopp M, Dubitzky RS, Hauke A, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Behr L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, Roussot E, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Lavin D, Muheim F, Playfer S, Swain JE, Falbo M, Borean C, Bozzi C, Dittongo S, Folegani M, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Fabbricatore P, Farinon S, Lo Vetere M, Macri M, Monge MR, Musenich R, Pallavicini M, Parodi R, Passaggio S, Pastore FC, Patrignani C, Pia MG, Priano C, Robutti E, Santroni A, Morii M, Bartoldus R, Dignan T, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Benkebil M, Grosdidier G, Hast C, Höcker A, Lacker HM, Laplace S, Lepeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Valassi A, Wormser G, Bionta RM, Brigljević VV, Lange DJ, Mugge M, Shi X, van Bibber K, Wenaus TJ, Wright DM, Wuest CR, Carroll M, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJW, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Dixon P, Harrison PF, Potter RJL, Shorthouse HW, Strother P, Vidal PB, Williams MI, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Scott I, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Simopoulos ET, Weatherall JH, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Trischuk J, Lanni F, Palombo F, Bauer JM, Booke M, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Martin JP, Nief JY, Seitz R, Taras P, Zacek V, Nicholson H, Sutton CS, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JRG, Gabriel TA, Handler T, Brau J, Frey R, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, de La Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Lory J, Roos L, Stark J, Versillé S, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta JH, Angelini C, Batignani G, Bettarini S, Bondioli M, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Bula C, Elmer P, Lu C, McDonald KT, Miftakov V, Schaffner SF, Smith AJS, Tumanov A, Varnes EW, Cavoto G, del Re D, Faccini R, Ferrarotto F, Ferroni F, Fratini K, Lamanna E, Leonardi E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, De Domenico G, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yèche C, Zito M, Copty N, Purohit MV, Singh H, Yumiceva FX, Adam I, Anthony PL, Aston D, Baird K, Berger JP, Bloom E, Boyarski AM, Bulos F, Calderini G, Claus R, Convery MR, Coupal DP, Coward DH, Dorfan J, Doser M, Dunwoodie W, Field RC, Glanzman T, Godfrey GL, Gowdy SJ, Grosso P, Himel T, Hryn'ova T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DWGS, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Moffeit KC, Mount R, Muller DR, O'Grady CP, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Rochester LS, Roodman A, Schietinger T, Schindler RH, Schwiening J, Seeman JT, Serbo VV, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJR, Wienands U, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Kirkby D, Meyer TI, Roat C, De Silva A, Henderson R, Bugg W, Cohn H, Weidemann AW, Izen JM, Kitayama I, Lou XC, Turcotte M, Bianchi F, Bona M, Di Girolamo B, Gamba D, Smol A, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Vuagnin G, Panvini RS, Brown CM, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Di Lodovico F, Eichenbaum AM, Hu H, Johnson JR, Liu R, Nielsen J, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu SL, Yu Z, Zobernig H, Kordich TMB, Neal H. Measurement of B --> K*gamma branching fractions and charge asymmetries. PHYSICAL REVIEW LETTERS 2002; 88:101805. [PMID: 11909345 DOI: 10.1103/physrevlett.88.101805] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2001] [Indexed: 05/23/2023]
Abstract
The branching fractions of the exclusive decays B0-->K(*0)gamma and B+-->K(*+)gamma are measured from a sample of (22.74+/-0.36)x10(6) BB decays collected with the BABAR detector at the PEP-II asymmetric e(+)e(-) collider. We find B (B0-->K(*0)gamma) = [4.23+/-0.40(stat)+/-0.22(syst)]x10(-5), B(B+-->K(*+)gamma) = [3.83+/-0.62(stat)+/-0.22(syst)]x10(-5) and constrain the CP-violating charge asymmetry to be -0.170<A(CP)(B-->K(*)gamma)<0.082 at 90% C.L.
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Bai JZ, Ban Y, Bian JG, Chen AD, Chen HF, Chen HS, Chen JC, Chen XD, Chen YB, Cheng BS, Chi SP, Chu YP, Choi JB, Cui XZ, Dai YS, Dong LY, Du ZZ, Dunwoodie W, Fu HY, Fu LP, Gao CS, Gu SD, Guo YN, Guo ZJ, Han SW, Han Y, Harris FA, He J, He JT, He KL, He M, He X, Hong T, Heng YK, Hu GY, Hu HM, Hu QH, Hu T, Huang GS, Huang XP, Huang YZ, Izen JM, Ji XB, Jiang CH, Jin Y, Jones BD, Kang JS, Ke ZJ, Kim HJ, Kim SK, Kim TY, Kong D, Lai YF, Li D, Li HB, Li HH, Li J, Li JC, Li PQ, Li QJ, Li RY, Li W, Li WG, Li XN, Li XQ, Liu B, Liu F, Liu F, Liu HM, Liu J, Liu JP, Liu TR, Liu RG, Liu Y, Liu ZX, Lou XC, Lu GR, Lu F, Lu JG, Lu ZJ, Luo XL, Ma EC, Ma JM, Malchow R, Mao HS, Mao ZP, Meng XC, Mo XH, Nie J, Nie ZD, Olsen SL, Paluselli D, Park H, Qi ND, Qi XR, Qian CD, Qiu JF, Que YK, Rong G, Shao YY, Shen BW, Shen DL, Shen H, Shen XY, Sheng HY, Shi F, Shi HZ, Song XF, Suh JY, Sun HS, Sun LF, Sun YZ, Tang SQ, Toki W, Tong GL, Varner GS, Wang J, Wang JZ, Wang L, Wang LS, Wang P, Wang PL, Wang SM, Wang YY, Wang ZY, Wei CL, Wu N, Xi DM, Xia XM, Xie XX, Xu GF, Xu Y, Xue ST, Yan WB, Yan WG, Yang CM, Yang CY, Yang GA, Yang HX, Yang W, Yang XF, Ye MH, Ye SW, Ye YX, Yu CS, Yu CX, Yu GW, Yuan Y, Zhang BY, Zhang C, Zhang CC, Zhang DH, Zhang HL, Zhang HY, Zhang J, Zhang JW, Zhang L, Zhang LS, Zhang P, Zhang QJ, Zhang SQ, Zhang XY, Zhang YY, Zhang ZP, Zhao DX, Zhao HW, Zhao J, Zhao JW, Zhao M, Zhao PP, Zhao WR, Zhao YB, Zhao ZG, Zheng JP, Zheng LS, Zheng ZP, Zhou BQ, Zhou GM, Zhou L, Zhu KJ, Zhu QM, Zhu YC, Zhu YS, Zhu ZA, Zhuang BA, Zou BS. Measurements of the cross section for e(+)e(-) --> hadrons at center-of-mass energies from 2 to 5 GeV. PHYSICAL REVIEW LETTERS 2002; 88:101802. [PMID: 11909342 DOI: 10.1103/physrevlett.88.101802] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2001] [Indexed: 05/23/2023]
Abstract
We report values of R = sigma(e(+)e(-)-->hadrons)/sigma(e(+)e(-)-->mu(+)mu(-)) for 85 center-of-mass energies between 2 and 5 GeV measured with the upgraded Beijing Spectrometer at the Beijing Electron-Positron Collider.
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Huang EYK, Li JY, Wong CH, Tan PPC, Chen JC. Dansyl-PQRamide, a possible neuropeptide FF receptor antagonist, induces conditioned place preference. Peptides 2002; 23:489-96. [PMID: 11835998 DOI: 10.1016/s0196-9781(01)00632-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Neuropeptide FF (NPFF) is an endogenous anti-opioid peptide. NPFF could potentiate the naloxone-precipitated morphine withdrawal syndromes in morphine-dependent rats, indicating the possible involvement of the endogenous NPFF system in opioid analgesia and dependence. The present study was performed to examine the effects of dansyl-PQRamide (dns-PQRa), a putative NPFF antagonist, on conditioned place preference (CPP), in addition, its interaction with the opioid system. Two CPP experiments were conducted. First, rats were treated with dns-PQRa (4-13 mg/kg, i.p.) and paired with the non-preferred compartment while the vehicle was paired with the preferred compartment. Second, similar to experiment 1 except naloxone (1 mg/kg, i.p.) was given 10 min prior to each dns-PQRa administration. The post-drug place preference was examined after 4 alternative pairings. Another group of animals after repetitive dns-PQRa treatments were analyzed for levels of neurotransmitters in discrete brain areas. Dns-PQRa (4-13 mg/kg, i.p.) induced a significant dose-dependent CPP. The dns-PQRa-induced CPP was completely blocked by pretreatment with 1 mg/kg i.p. naloxone, while naloxone alone did not induce any place aversion. The chronic dns-PQRa-treated (13 mg/kg, i.p., b.i.d.) rats caused a significant increase in 3,4-dihydroxyphenylacetic acid and 5-hydroxyindoleacetic acid in the olfactory tubercle compared to the vehicle-treated controls. There was also an increase in the turnover of serotonin in the olfactory tubercle, nucleus accumbens and medial prefrontal cortex. These results suggest that blockade of the NPFF system produces rewarding, possibly via an inhibition of the anti-opioid action of NPFF. These results also reveal a close relationship between NPFF, drug rewarding and the dopaminergic and serotoninergic neurons in the mesolimbic system.
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Tsai SC, Miercke LJ, Krucinski J, Gokhale R, Chen JC, Foster PG, Cane DE, Khosla C, Stroud RM. Crystal structure of the macrocycle-forming thioesterase domain of the erythromycin polyketide synthase: versatility from a unique substrate channel. Proc Natl Acad Sci U S A 2001; 98:14808-13. [PMID: 11752428 PMCID: PMC64940 DOI: 10.1073/pnas.011399198] [Citation(s) in RCA: 174] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
As the first structural elucidation of a modular polyketide synthase (PKS) domain, the crystal structure of the macrocycle-forming thioesterase (TE) domain from the 6-deoxyerythronolide B synthase (DEBS) was solved by a combination of multiple isomorphous replacement and multiwavelength anomalous dispersion and refined to an R factor of 24.1% to 2.8-A resolution. Its overall tertiary architecture belongs to the alpha/beta-hydrolase family, with two unusual features unprecedented in this family: a hydrophobic leucine-rich dimer interface and a substrate channel that passes through the entire protein. The active site triad, comprised of Asp-169, His-259, and Ser-142, is located in the middle of the substrate channel, suggesting the passage of the substrate through the protein. Modeling indicates that the active site can accommodate and orient the 6-deoxyerythronolide B precursor uniquely, while at the same time shielding the active site from external water and catalyzing cyclization by macrolactone formation. The geometry and organization of functional groups explain the observed substrate specificity of this TE and offer strategies for engineering macrocycle biosynthesis. Docking of a homology model of the upstream acyl carrier protein (ACP6) against the TE suggests that the 2-fold axis of the TE dimer may also be the axis of symmetry that determines the arrangement of domains in the entire DEBS. Sequence conservation suggests that all TEs from modular polyketide synthases have a similar fold, dimer 2-fold axis, and substrate channel geometry.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Reinertsen PL, Stugu B, Abbott B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan A, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kluth S, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Liu T, Lynch G, Meyer AB, Momayezi M, Oddone PJ, Perazzo A, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Bright-Thomas PG, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Krug J, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Andress JC, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, De Groot N, Dyce N, Foster B, McFall JD, Wallom D, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Tinslay J, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Salnikov AA, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Ahsan A, Arisaka K, Buchanan C, Chun S, Branson JG, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Witherell M, Yellin S, Beringer J, Dorfan DE, Eisner AM, Frey A, Grillo AA, Grothe M, Heusch CA, Johnson RP, Kroeger W, Lockman WS, Pulliam T, Sadrozinski H, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Fahey S, Ford WT, Johnson DR, Nauenberg U, Olivas A, Park H, Rankin P, Roy J, Sen S, Smith JG, van Hoek WC, Wagner DL, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dahlinger G, Dickopp M, Dubitzky RS, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Behr L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, Roussot E, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Muheim F, Playfer S, Swain JE, Falbo M, Borean C, Bozzi C, Dittongo S, Folegani M, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Fabbricatore P, Farinon S, Lo Vetere M, Macri M, Monge MR, Musenich R, Pallavicini M, Parodi R, Passaggio S, Pastore FC, Patrignani C, Pia MG, Priano C, Robutti E, Santroni A, Morii M, Bartoldus R, Dignan T, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Benkebil M, Grosdidier G, Hast C, Höcker A, Lacker HM, Laplace S, Lepeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Valassi A, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, Shi X, van Bibber K, Wenaus TJ, Wright DM, Wuest CR, Carroll M, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJ, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Dixon P, Harrison PF, Potter RJ, Shorthouse HW, Strother P, Vidal PB, Williams MI, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Scott I, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Simopoulos ET, Weatherall JH, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Trischuk J, Lanni F, Palombo F, Bauer JM, Booke M, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Martin JP, Nief JY, Seitz R, Taras P, Zacek V, Nicholson H, Sutton CS, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JR, Gabriel TA, Handler T, Brau J, Frey R, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, de la Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Lory J, Roos L, Stark J, Versillé S, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta JH, Angelini C, Batignani G, Bettarini S, Bondioli M, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Bula C, Elmer P, Lu C, McDonald KT, Miftakov V, Schaffner SF, Smith AJ, Tumanov A, Varnes EW, Cavoto G, del Re D, Faccini R, Ferrarotto F, Ferroni F, Fratini K, Lamanna E, Leonardi E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, De Domenico G, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yèche C, Zito M, Copty N, Purohit MV, Singh H, Yumiceva FX, Adam I, Anthony PL, Aston D, Baird K, Bloom E, Boyarski AM, Bulos F, Calderini G, Claus R, Convery MR, Coupal DP, Coward DH, Dorfan J, Doser M, Dunwoodie W, Field RC, Glanzman T, Godfrey GL, Gowdy SJ, Grosso P, Himel T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DW, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Moffeit KC, Mount R, Muller DR, O'Grady CP, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Rochester LS, Roodman A, Schietinger T, Schindler RH, Schwiening J, Serbo VV, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJ, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Kirkby D, Meyer TI, Roat C, De Silva A, Henderson R, Bugg W, Cohn H, Weidemann AW, Izen JM, Kitayama I, Lou XC, Turcotte M, Bianchi F, Bona M, Di Girolamo B, Gamba D, Smol A, Zanin D, Bosisio L, Della Ricca G, Lanceri L, Pompili A, Poropat P, Vuagnin G, Panvini RS, Brown CM, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Di Lodovico F, Eichenbaum AM, Hu H, Johnson JR, Liu R, Nielsen J, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu SL, Yu Z, Zobernig H, Kordich TM, Neal H. Search for the decay B0-->gammagamma. PHYSICAL REVIEW LETTERS 2001; 87:241803. [PMID: 11736494 DOI: 10.1103/physrevlett.87.241803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2001] [Indexed: 05/23/2023]
Abstract
We present a limit on the branching fraction for the decay B0-->gammagamma using data collected at the Upsilon(4S) resonance with the BABAR detector at the PEP-II asymmetric energy e+e- collider. Based on the observation of one event in the signal region, out of a sample of 21.3x10(6) e+e--->Upsilon(4S)-->BB decays, we establish an upper limit on the branching fraction of B(B0-->gammagamma)<1.7x10(-6) at the 90% confidence level. This result substantially improves upon existing limits.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Reinertsen PL, Stugu B, Abbott B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan A, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kluth S, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Liu T, Lynch G, Meyer AB, Momayezi M, Oddone PJ, Perazzo A, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Bright-Thomas PG, Harrison TJ, Hawkes CM, Kirk A, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Krug J, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Andress JC, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, De Groot N, Dyce N, Foster B, McFall JD, Wallom D, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Tinslay J, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Salnikov AA, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Ahsan A, Arisaka K, Buchanan C, Chun S, Branson JG, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Witherell M, Yellin S, Beringer J, Dorfan DE, Eisner AM, Frey A, Grillo AA, Grothe M, Heusch CA, Johnson RP, Kroeger W, Lockman WS, Pulliam T, Sadrozinski H, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Fahey S, Ford WT, Johnson DR, Nauenberg U, Olivas A, Park H, Rankin P, Roy J, Sen S, Smith JG, van Hoek WC, Wagner DL, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dahlinger G, Dickopp M, Dubitzky RS, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Behr L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, Roussot E, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Muheim F, Playfer S, Swain JE, Falbo M, Borean C, Bozzi C, Dittongo S, Folegani M, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Fabbricatore P, Farinon S, Lo Vetere M, Macri M, Monge MR, Musenich R, Pallavicini M, Parodi R, Passaggio S, Pastore FC, Patrignani C, Pia MG, Priano C, Robutti E, Santroni A, Morii M, Bartoldus R, Dignan T, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Benkebil M, Grosdidier G, Hast C, Höcker A, Lacker HM, LePeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Valassi A, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, Shi X, van Bibber K, Wenaus TJ, Wright DM, Wuest CR, Carroll M, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJ, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Dixon P, Harrison PF, Potter RJ, Shorthouse HW, Strother P, Vidal PB, Williams MI, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Scott I, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Simopoulos ET, Weatherall JH, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Trischuk J, Lanni F, Palombo F, Bauer JM, Booke M, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Martin JP, Nief JY, Seitz R, Taras P, Zacek V, Nicholson H, Sutton CS, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JR, Gabriel TA, Handler T, Brau J, Frey R, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, De la Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Lory J, Roos L, Stark J, Versillé S, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta JH, Angelini C, Batignani G, Bettarini S, Bondioli M, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Bula C, Elmer P, Lu C, McDonald KT, Miftakov V, Schaffner SF, Smith AJ, Tumanov A, Varnes EW, Cavoto G, del Re D, Faccini R, Ferrarotto F, Ferroni F, Fratini K, Lamanna E, Leonardi E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, De Domenico G, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yeche C, Zito M, Copty N, Purohit MV, Singh H, Yumiceva FX, Adam I, Anthony PL, Aston D, Baird K, Bloom E, Boyarski AM, Bulos F, Calderini G, Claus R, Convery MR, Coupal DP, Coward DH, Dorfan J, Doser M, Dunwoodie W, Field RC, Glanzman T, Godfrey GL, Gowdy SJ, Grosso P, Himel T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DW, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Moffeit KC, Mount R, Muller DR, O'Grady CP, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Rochester LS, Roodman A, Schietinger T, Schindler RH, Schwiening J, Serbo VV, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJ, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Kirkby D, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Weidemann AW, Izen JM, Kitayama I, Lou XC, Turcotte M, Bianchi F, Bona M, Di Girolamo B, Gamba D, Smol A, Zanin D, Lanceri L, Pompili A, Vuagnin G, Panvini RS, Brown CM, De Silva A, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Di Lodovico F, Eichenbaum AM, Hu H, Johnson JR, Liu R, Nielsen J, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu SL, Yu Z, Zobernig H, Kordich TM, Neal H. Measurement of the B--> J/psiK*(892) decay amplitudes. PHYSICAL REVIEW LETTERS 2001; 87:241801. [PMID: 11736492 DOI: 10.1103/physrevlett.87.241801] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2001] [Indexed: 05/23/2023]
Abstract
We present a measurement of the decay amplitudes in B-->J/psiK*(892) channels using 20.7 fb(-1) of data collected at the Upsilon(4S) resonance with the BABAR detector at PEP-II. We measure a P-wave fraction R(perpendicular) = (16.0 +/- 3.2 +/- 1.4)% and a longitudinal polarization fraction (59.7 +/- 2.8 +/- 2.4)%. The measurement of a relative phase that is neither 0 nor pi, phi = 2.50 +/- 0.20 +/-0.08 radians, favors a departure from the factorization hypothesis. Although the decay B-->/psiK(pi) proceeds mainly via K*(892), there is also evidence for K2*(1430) and K(pi) S-wave contributions.
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Lin KJ, Chen JC, Tsauer W, Lin CC, Lin JG, Tsai CC. Prophylactic effect of four prescriptions of traditional Chinese medicine on alpha-naphthylisothiocyanate and carbon tetrachloride induced toxicity in rats. Acta Pharmacol Sin 2001; 22:1159-67. [PMID: 11749818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
AIM To study the prophylactic effects of four Chinese traditional prescriptions against experimental liver injury. METHODS Liver toxins, alpha-naphthylisothiocyanate (ANIT), and carbon tetrachloride (CCl4) were used to induce acute liver injury. Simo Yin(SMY), Guizhi Fuling Wan (GFW), Xieqing Wan (XQW), and Sini San (SNS) were fed (500 mg/kg, in saline, po) to the rats before toxin administration. All the animals were killed 48 h after toxin insulted. Serum index of liver function and hepatic lipid peroxidation (LPO) were estimated. Histopathological observation was conducted simultaneously. RESULTS The rats treated with ANIT exhibited elevations of serum total bilirubin (TBI), alkaline phosphatase (ALP), glutamate-oxalate- transaminase (GOT), glutamate-pyruvate-transaminase (GPT), as well as cholestasis and parenchyma necrosis. In rats, challenged with ANIT, receiving the pre-treatment of prescriptions of SMY, XQW, and SNS, the biochemical and morphological parameters of liver injury were significantly reduced. The increased LPO level in liver tissue, associated with the provoked serum GOT and GPT levels were the salient features observed in CCl4-insulting rats. Pre-treatment of four prescriptions showed a remarkable protective effect, and also was effective in counteracting the free radical toxicity by bringing about a significant decrease in peroxidative level. CONCLUSION These recipes ameliorate liver damage induced by both ANIT and CCl4 despite the differences in their mechanisms of injury. Therefore they may be able to exert hepatoprotective effects through more than one mechanism of action because they contained a mixture of anti-hepatotoxic ingredients with mutual reinforcement and assistance.
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Hsiao CW, Lee SC, Chen JC, Cheng YL. Massive spontaneous haemopneumothorax in a patient with haemophilia. ANZ J Surg 2001; 71:770-1. [PMID: 11906398 DOI: 10.1046/j.1445-1433.2001.02259.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Chen MF, Chen JC, Chiu DF, Ng CJ, Shyr MH, Chen HM. Prostacyclin analogue (OP-2507) induces delayed ex vivo neutrophil apoptosis and attenuates reperfusion-induced hepatic microcirculatory derangement in rats. Shock 2001; 16:473-8. [PMID: 11770047 DOI: 10.1097/00024382-200116060-00012] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Leukocyte-endothelial adherence and changes of blood flow in microcirculation are associated with the development of ischemia-reperfusion injury in the liver. Polymorphonuclear neutrophil (PMN) apoptosis is essential to maintain homeostasis and plays a major role in limiting the reperfusion-related systemic effects. This study investigates the effects of a prostacyclin analogue (OP-2507) on hepatic ischemia-reperfusion injury. Adult, male Sprague-Dawley rats were used. Five groups were evaluated: (1) sham-operated control, n = 8; (2) ischemia control (1-h ischemia, 5-h reperfusion), n = 8; (3) intravenous infusion with OP-2507 ([15 cis-14-propylcyclohexyl]-16,17,18,19,20-pentanor-9-deoxy-9alpha,6-ni-trilo-PGF, methyl eater) at a dose of 1 microg/kg/min plus ischemia, n = 8; (4) intravenous infusion with OP-2507 at a dose of 0.1 microg/kg/min plus ischemia, n = 8, and (5) sham-operated control and intravenous infusion with OP-2507 at a dose of 1 microg/kg/min, N =8. Laser-Doppler flowmetry and an in vivo microscopy were used to investigate hepatic microcirculation. PMN apoptosis was quantitated by flow-cytometric labeling of DNA strand breaks. Tissue malondialdehyde and adenosine triphosphate were determined at the end of the experiment. Compared with the ischemia control group, OP-2507 significantly improved harmful insults following ischemia-reperfusion. The changes of mean systemic arterial pressure following ischemia-reperfusion have been significantly attenuated by OP- 2507 at both doses. OP-2507 lessened adherent leukocyte count in the post-sinusoid venules, and improved flow velocity in these areas. OP-2507 at both doses reduced malondialdehyde and increased adenosine triphosphate levels and this effect was dose-related. The activity of delayed ex vivo PMN apoptosis was significantly lower in the ischemia group than that of control and treatment groups. OP-2507 induced the activity of PMN apoptosis and its effect is dose-related, also. The PMN apoptosis activity is strongly correlated with parenchymal damages. This study demonstrates that OP-2507 treatment with ischemia may ameliorate the ischemia-reperfusion injury of the liver in the rat model, and increase spontaneous neutrophil apoptosis ex vivo.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Reinertsen PL, Stugu B, Abbott B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan A, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kluth S, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Liu T, Lynch G, Meyer AB, Momayezi M, Oddone PJ, Perazzo A, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Bright-Thomas PG, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Krug J, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Andress JC, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, De Groot N, Dyce N, Foster B, McFall JD, Wallom D, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Tinslay J, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Salnikov AA, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Ahsan A, Arisaka K, Buchanan C, Chun S, Branson JG, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Witherell M, Yellin S, Beringer J, Dorfan DE, Eisner AM, Frey A, Grillo AA, Grothe M, Heusch CA, Johnson RP, Kroeger W, Lockman WS, Pulliam T, Sadrozinski H, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Fahey S, Ford WT, Hall TL, Johnson DR, Nauenberg U, Olivas A, Park H, Rankin P, Roy J, Sen S, Smith JG, van Hoek WC, Wagner DL, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dahlinger G, Dickopp M, Dubitzky RS, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Behr L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, Roussot E, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Muheim F, Playfer S, Swain JE, Falbo M, Borean C, Bozzi C, Dittongo S, Folegani M, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Fabbricatore P, Farinon S, Lo Vetere M, Macri M, Monge MR, Musenich R, Pallavicini M, Parodi R, Passaggio S, Pastore FC, Patrignani C, Pia MG, Priano C, Robutti E, Santroni A, Morii M, Bartoldus R, Dignan T, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Benkebil M, Grosdidier G, Hast C, Höcker A, Lacker HM, LePeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Valassi A, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, Shi X, van Bibber K, Wenaus TJ, Wright DM, Wuest CR, Carroll M, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJ, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Dixon P, Harrison PF, Potter RJ, Shorthouse HW, Strother P, Vidal PB, Williams MI, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Scott I, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Simopoulos ET, Weatherall JH, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Trischuk J, Lanni F, Palombo F, Bauer JM, Booke M, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Martin JP, Nief JY, Seitz R, Taras P, Zacek V, Nicholson H, Sutton CS, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JR, Gabriel TA, Handler T, Brau J, Frey R, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, De la Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Lory J, Roos L, Stark J, Versillé S, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta JH, Angelini C, Batignani G, Bettarini S, Bondioli M, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Bula C, Elmer P, Lu C, McDonald KT, Miftakov V, Schaffner SF, Smith AJ, Tumanov A, Varnes EW, Cavoto G, del Re D, Faccini R, Ferrarotto F, Ferroni F, Fratini K, Lamanna E, Leonardi E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, De Domenico G, Emery S, Gaidot A, Ganzhur SF, Giraud PF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yeche C, Zito M, Copty N, Purohit MV, Singh H, Yumiceva FX, Adam I, Anthony PL, Aston D, Baird K, Bloom E, Boyarski AM, Bulos F, Calderini G, Claus R, Convery MR, Coupal DP, Coward DH, Dorfan J, Doser M, Dunwoodie W, Field RC, Glanzman T, Godfrey GL, Gowdy SJ, Grosso P, Himel T, Huffner ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocain ML, Langenegger U, Leith DW, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Moffeit KC, Mount R, Muller DR, O'Grady CP, Perl M, Petrak S, Quinn H, Ratcliff BN, Robertson SH, Rochester LS, Roodman A, Schietinger T, Schindler RH, Schwiening J, Serbo VV, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJ, Wisniewski WJ, Wright DH, Young CC, Burchat PR, Cheng CH, Kirkby D, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Weidemann AW, Izen JM, Kitayama I, Lou XC, Turcotte M, Bianchi F, Bona M, Di Girolamo B, Gamba D, Smol A, Zanin D, Lanceri L, Pompili A, Vaugnin G, Panvini RS, Brown CM, De Silva A, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Di Lodovico F, Eichenbaum AM, Hu H, Johnson JR, Liu R, Nielsen J, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu SL, Yu Z, Zobernig H, Kordich TM, Neal H. Measurements of the branching fractions of exclusive charmless B meson decays with eta(') or omega mesons. PHYSICAL REVIEW LETTERS 2001; 87:221802. [PMID: 11736395 DOI: 10.1103/physrevlett.87.221802] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2001] [Indexed: 05/23/2023]
Abstract
We present the results of searches for B decays to charmless two-body final states containing eta(') or omega mesons, based on 20.7 fb(-1) of data collected with the BABAR detector. We find the branching fractions Beta(B(+)-->eta(')K(+)) = (70+/-8+/-5) x 10(-6), Beta(B(0)-->eta(')K(0)) = (42(+13)(-11) +/- 4) x 10(-6), and Beta(B(+)-->omega pi(+)) = (6.6(+2.1)(-1.8) +/- 0.7) x 10(-6), where the first error quoted is statistical and the second is systematic. We give measurements of four additional modes for which the 90% confidence level upper limits are Beta(B(+)-->eta(')pi(+)) < 12 x 10(-6), Beta(B(+)-->omega K(+)) < 4 x 10(-6), Beta(B(0)-->omega K(0)) < 13 x 10(-6), and Beta(B(0)-->omega pi(0)) < 3 x 10(-6).
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Reinertsen PL, Stugu B, Abbott B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Gill MS, Gritsan A, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kluth S, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Liu T, Lynch G, Meyer AB, Momayezi M, Oddone PJ, Perazzo A, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Bright-Thomas PG, Harrison TJ, Hawkes CM, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Krug J, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Andress JC, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, De Groot N, Dyce N, Foster B, McFall JD, Wallom D, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Jolly S, McKemey AK, Tinslay J, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Salnikov AA, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Ahsan A, Arisaka K, Buchanan C, Chun S, Branson JG, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Witherell M, Yellin S, Beringer J, Dorfan DE, Eisner AM, Frey A, Grillo AA, Grothe M, Heusch CA, Johnson RP, Kroeger W, Lockman WS, Pulliam T, Sadrozinski H, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Barillari T, Bloom P, Dima MO, Fahey S, Ford WT, Johnson DR, Nauenberg U, Olivas A, Park H, Rankin P, Roy J, Sen S, Smith JG, van Hoek WC, Wagner DL, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dahlinger G, Dickopp M, Dubitzky RS, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Behr L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, Roussot E, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Muheim F, Playfer S, Swain JE, Falbo M, Borean C, Bozzi C, Dittongo S, Folegani M, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Fabbricatore P, Farinon S, Lo Vetere M, Macri M, Monge MR, Musenich R, Pallavicini M, Parodi R, Passaggio S, Pastore FC, Patrignani C, Pia MG, Priano C, Robutti E, Santroni A, Morii M, Bartoldus R, Dignan T, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, Rosenberg EI, Benkebil M, Grosdidier G, Hast C, Höcker A, Lacker HM, LePeltier V, Lutz AM, Plaszczynski S, Schune MH, Trincaz-Duvoid S, Valassi A, Wormser G, Bionta RM, Brigljević V, Lange DJ, Mugge M, Shi X, van Bibber K, Wenaus TJ, Wright DM, Wuest CR, Carroll M, Fry JR, Gabathuler E, Gamet R, George M, Kay M, Payne DJ, Sloane RJ, Touramanis C, Aspinwall ML, Bowerman DA, Dauncey PD, Egede U, Eschrich I, Gunawardane NJ, Nash JA, Sanders P, Smith D, Azzopardi DE, Back JJ, Dixon P, Harrison PF, Potter RJ, Shorthouse HW, Strother P, Vidal PB, Williams MI, Cowan G, George S, Green MG, Kurup A, Marker CE, McGrath P, McMahon TR, Ricciardi S, Salvatore F, Scott I, Vaitsas G, Brown D, Davis CL, Allison J, Barlow RJ, Boyd JT, Forti AC, Fullwood J, Jackson F, Lafferty GD, Savvas N, Simopoulos ET, Weatherall JH, Farbin A, Jawahery A, Lillard V, Olsen J, Roberts DA, Schieck JR, Blaylock G, Dallapiccola C, Flood KT, Hertzbach SS, Kofler R, Moore TB, Staengle H, Willocq S, Brau B, Cowan R, Sciolla G, Taylor F, Yamamoto RK, Milek M, Patel PM, Trischuk J, Lanni F, Palombo F, Bauer JM, Booke M, Cremaldi L, Eschenburg V, Kroeger R, Reidy J, Sanders DA, Summers DJ, Martin JP, Nief JY, Seitz R, Taras P, Zacek V, Nicholson H, Sutton CS, Cartaro C, Cavallo N, De Nardo G, Fabozzi F, Gatto C, Lista L, Paolucci P, Piccolo D, Sciacca C, LoSecco JM, Alsmiller JR, Gabriel TA, Handler T, Brau J, Frey R, Iwasaki M, Sinev NB, Strom D, Colecchia F, Dal Corso F, Dorigo A, Galeazzi F, Margoni M, Michelon G, Morandin M, Posocco M, Rotondo M, Simonetto F, Stroili R, Torassa E, Voci C, Benayoun M, Briand H, Chauveau J, David P, De la Vaissière C, Del Buono L, Hamon O, Le Diberder F, Leruste P, Lory J, Roos L, Stark J, Versillé S, Manfredi PF, Re V, Speziali V, Frank ED, Gladney L, Guo QH, Panetta JH, Angelini C, Batignani G, Bettarini S, Bondioli M, Carpinelli M, Forti F, Giorgi MA, Lusiani A, Martinez-Vidal F, Morganti M, Neri N, Paoloni E, Rama M, Rizzo G, Sandrelli F, Simi G, Triggiani G, Walsh J, Haire M, Judd D, Paick K, Turnbull L, Wagoner DE, Albert J, Bula C, Elmer P, Lu C, McDonald KT, Miftakov V, Schaffner SF, Smith AJ, Tumanov A, Varnes EW, Cavoto G, del Re D, Faccini R, Ferrarotto F, Ferroni F, Fratini K, Lamanna E, Leonardi E, Mazzoni MA, Morganti S, Piredda G, Safai Tehrani F, Serra M, Voena C, Christ S, Waldi R, Adye T, Franek B, Geddes NI, Gopal GP, Xella SM, Aleksan R, De Domenico G, Emery S, Gaidot A, Ganzhur SF, Hamel de Monchenault G, Kozanecki W, Langer M, London GW, Mayer B, Serfass B, Vasseur G, Yeche C, Zito M, Copty N, Purohit MV, Singh H, Yumiceva FX, Adam I, Anthony PL, Aston D, Baird K, Bloom E, Boyarski AM, Bulos F, Calderini G, Claus R, Convery MR, Coupal DP, Coward DH, Dorfan J, Doser M, Dunwoodie W, Field RC, Glanzman T, Godfrey GL, Gowdy SJ, Grosso P, Himel T, Huffer ME, Innes WR, Jessop CP, Kelsey MH, Kim P, Kocian ML, Langenegger U, Leith DW, Luitz S, Luth V, Lynch HL, Marsiske H, Menke S, Messner R, Moffeit KC, Mount R, Muller DR, O'Grady CP, Perl M, Petrak S, Quinn H, Ratcliff BN, Rochester LS, Roodman A, Schietinger T, Schindler RH, Schwiening J, Serbo VV, Snyder A, Soha A, Spanier SM, Stelzer J, Su D, Sullivan MK, Tanaka HA, Va'vra J, Wagner SR, Weinstein AJ, Wisniewski WJ, Wright DW, Young CC, Burchat PR, Cheng CH, Kirkby D, Meyer TI, Roat C, Henderson R, Bugg W, Cohn H, Weideman AW, Izen JM, Kitayama L, Lou XC, Turcotte M, Bona M, Di Girolamo B, Gamba D, Smol A, Zanin D, Lanceri L, Pompili A, Vaugnin G, Panvini RS, Brown CM, De Silva A, Kowalewski R, Roney JM, Band HR, Charles E, Dasu S, Di Lodovico F, Eichenbaum AM, Hu H, Johnson JR, Liu R, Nielsen J, Pan Y, Prepost R, Scott IJ, Sekula SJ, von Wimmersperg-Toeller JH, Wu SL, Yu Z, Zobernig H, Kordich TM, Neal H. Measurement of the B(0) and B(+) meson lifetimes with fully reconstructed hadronic final states. PHYSICAL REVIEW LETTERS 2001; 87:201803. [PMID: 11690464 DOI: 10.1103/physrevlett.87.201803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2001] [Indexed: 05/23/2023]
Abstract
The B(0) and B(+) meson lifetimes have been measured in e(+)e(-) annihilation data collected in 1999 and 2000 with the BABAR detector at center-of-mass energies near the Upsilon(4S) resonance. Events are selected in which one B meson is fully reconstructed in a hadronic final state while the second B meson is reconstructed inclusively. A combined fit to the B(0) and the B(+) decay time difference distributions yields tau(B(0)) = 1.546+/-0.032(stat)+/-0.022(syst) ps, tau(B(+)) = 1.673+/-0.032(stat)+/-0.023(syst) ps, and tau(B(+))/tau(B(0)) = 1.082+/-0.026(stat)+/-0.012(syst).
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Chen JC, Ma P. Mechanism of FK506-induced renal hypoperfusion and its reversion in rats. Acta Pharmacol Sin 2001; 22:1034-8. [PMID: 11749797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
AIM To investigate the mechanism of renal hypoperfusion induced by tacrolimus (FK506) and to test the related agents acting against the process. METHODS Experiments were performed in 6 groups of isolated perfused rat kidneys (IPRK). The parameters of renal function and the concentration of endothelin in the perfusate and urine were assessed at an interval of 15 min. Four groups of IPRK were perfused with normal saline and varied concentrations of FK506 (10 nmol/L-10 micromol/L) to set up a control and a hypoperfusion model. The other 2 groups were used as hypoperfusion models to test the actions of endothelin receptor antagonist FR139317 and calcium channel blocker diltiazem. RESULTS Hypoperfusion model was established in IPRK by adding FK506 10 micromol/L in the perfusate, with the significant decreases of perfusate flow rate (PFR) and glomerular filtration rate (GFR), the significant increase of perfusion resistance (PR) and the concomitant increase of endothelin in perfusate and urine (P < 0.01). When FR139317 was added into the perfusate, only the depressed GFR was improved (P < 0.05) while the increased PR was not (P > 0.05). However, the addition of diltiazem reversed both the increase of PR and the decrease of GFR completely (P < 0.01). CONCLUSION Endothelin is likely to play an important role in the pathogenesis of FK506-induced acute renal hypoperfusion. Diltiazem can completely prevent the renal hypoperfusion induced by FK506 in IPRK.
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Chen JC, Tzen JT. An in vitro system to examine the effective phospholipids and structural domain for protein targeting to seed oil bodies. PLANT & CELL PHYSIOLOGY 2001; 42:1245-52. [PMID: 11726710 DOI: 10.1093/pcp/pce160] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
An in vitro system was established to examine the targeting of proteins to maturing seed oil bodies. Oleosin, the most abundant structural protein, and caleosin, a newly identified minor constituent in seed oil bodies, were translated in a reticulocyte lysate system and simultaneously incubated with artificial oil emulsions composed of triacylglycerol and phospholipid. The results suggest that oil body proteins could spontaneously target to artificial oil emulsions in a co-translational mode. Incorporation of oleosin to artificial oil emulsions extensively protected a fragment of approximately 8 kDa from proteinase K digestion. In a competition experiment, in vitro translated caleosin and oleosin preferentially target to artificial oil emulsions instead of microsomal membranes. In oil emulsions with neutral phospholipids, relatively low protein targeting efficiency was observed. The targeting efficiency was substantially elevated when negatively charged phospholipids were supplemented to oil emulsions to mimic the native phospholipid composition of oil bodies. Mutated caleosin lacking various structural domains or subdomains was examined for its in vitro targeting efficiency. The results indicate that the subdomain comprising the proline knot motif is crucial for caleosin targeting to oil bodies. A model of direct targeting of oil-body proteins to maturing oil bodies is proposed.
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Aubert B, Boutigny D, Gaillard JM, Hicheur A, Karyotakis Y, Lees JP, Robbe P, Tisserand V, Palano A, Chen GP, Chen JC, Qi ND, Rong G, Wang P, Zhu YS, Eigen G, Reinertsen PL, Stugu B, Abbott B, Abrams GS, Borgland AW, Breon AB, Brown DN, Button-Shafer J, Cahn RN, Clark AR, Fan Q, Gill MS, Gritsan A, Groysman Y, Jacobsen RG, Kadel RW, Kadyk J, Kerth LT, Kluth S, Kolomensky YG, Kral JF, LeClerc C, Levi ME, Liu T, Lynch G, Meyer AB, Momayezi M, Oddone PJ, Perazzo A, Pripstein M, Roe NA, Romosan A, Ronan MT, Shelkov VG, Telnov AV, Wenzel WA, Bright-Thomas PG, Harrison TJ, Hawkes CM, Kirk A, Knowles DJ, O'Neale SW, Penny RC, Watson AT, Watson NK, Deppermann T, Goetzen K, Koch H, Krug J, Kunze M, Lewandowski B, Peters K, Schmuecker H, Steinke M, Andress JC, Barlow NR, Bhimji W, Chevalier N, Clark PJ, Cottingham WN, De Groot N, Dyce N, Foster B, Mass A, McFall JD, Wallom D, Wilson FF, Abe K, Hearty C, Mattison TS, McKenna JA, Thiessen D, Camanzi B, Jolly S, McKemey AK, Tinslay J, Blinov VE, Bukin AD, Bukin DA, Buzykaev AR, Dubrovin MS, Golubev VB, Ivanchenko VN, Korol AA, Kravchenko EA, Onuchin AP, Salnikov AA, Serednyakov SI, Skovpen YI, Telnov VI, Yushkov AN, Best D, Lankford AJ, Mandelkern M, McMahon S, Stoker DP, Ahsan A, Arisaka K, Buchanan C, Chun S, Branson JG, MacFarlane DB, Prell S, Rahatlou S, Raven G, Sharma V, Campagnari C, Dahmes B, Hart PA, Kuznetsova N, Levy SL, Long O, Lu A, Richman JD, Verkerke W, Witherell M, Yellin S, Beringer J, Dorfan DE, Eisner AM, Frey A, Grillo AA, Grothe M, Heusch CA, Johnson RP, Kroeger W, Lockman WS, Pulliam T, Sadrozinski H, Schalk T, Schmitz RE, Schumm BA, Seiden A, Turri M, Walkowiak W, Williams DC, Wilson MG, Chen E, Dubois-Felsmann GP, Dvoretskii A, Hitlin DG, Metzler S, Oyang J, Porter FC, Ryd A, Samuel A, Weaver M, Yang S, Zhu RY, Devmal S, Geld TL, Jayatilleke S, Mancinelli G, Meadows BT, Sokoloff MD, Bloom P, Dima MO, Fahey S, Ford WT, Gaede F, Johnson DR, Michael AK, Nauenberg U, Olivas A, Park H, Rankin P, Roy J, Sen S, Smith JG, van Hoek WC, Wagner DL, Blouw J, Harton JL, Krishnamurthy M, Soffer A, Toki WH, Wilson RJ, Zhang J, Brandt T, Brose J, Colberg T, Dahlinger G, Dickopp M, Dubitzky RS, Maly E, Müller-Pfefferkorn R, Otto S, Schubert KR, Schwierz R, Spaan B, Wilden L, Behr L, Bernard D, Bonneaud GR, Brochard F, Cohen-Tanugi J, Ferrag S, Roussot E, T'Jampens S, Thiebaux C, Vasileiadis G, Verderi M, Anjomshoaa A, Bernet R, Khan A, Muheim F, Playfer S, Swain JE, Falbo M, Borean C, Bozzi C, Dittongo S, Folegani M, Piemontese L, Treadwell E, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Falciai D, Finocchiaro G, Patteri P, Peruzzi IM, Piccolo M, Xie Y, Zallo A, Bagnasco S, Buzzo A, Contri R, Crosetti G, Fabbricatore P, Farinon S, Lo Vetere M, Macri M, Monge MR, Musenich R, Pallavicini M, Parodi R, Passaggio S, Pastore FC, Patrignani C, Pia MG, Priano C, Robutti E, Santroni A, Morii M, Bartoldus R, Dignan T, Hamilton R, Mallik U, Cochran J, Crawley HB, Fischer PA, Lamsa J, Meyer WT, 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Measurement of J/psi production in continuum e(+)e(-) annihilations near square root of s = 10.6 GeV. PHYSICAL REVIEW LETTERS 2001; 87:162002. [PMID: 11690201 DOI: 10.1103/physrevlett.87.162002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2001] [Indexed: 05/23/2023]
Abstract
The production of J/psi mesons in continuum e(+)e(-) annihilations has been studied with the BABAR detector at energies near the Upsilon(4S) resonance. The mesons are distinguished from J/psi production in B decays through their center-of-mass momentum and energy. We measure the cross section e(+)e(-)-->J/psi X to be 2.52+/-0.21+/-0.21 pb. We set a 90% C.L. upper limit on the branching fraction for direct Upsilon(4S)-->J/psi X decays at 4.7 x 10(-4).
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Arias EH, Asai Y, Chen JC, Cheng HK, Ishii N, Kinugasa T, Ko PC, Koido Y, Murayama Y, Kwong PW, Ukai T. Sharing Pacific-Rim experiences in disasters: summary and action plan. Prehosp Disaster Med 2001; 16:29-32. [PMID: 11367935 DOI: 10.1017/s1049023x00025528] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
INTRODUCTION The discussions in this theme provided an opportunity to address the unique hazards facing the Pacific Rim. METHODS Details of the methods used are provided in the preceding paper. The chairs moderated all presentations and produced a summary that was presented to an assembly of all of the delegates. Since the findings from the Theme 3 and Theme 7 groups were similar, the chairs of both groups presided over one workshop that resulted in the generation of a set of action plans that then were reported to the collective group of all delegates. RESULTS The main points developed during the presentations and discussion included: (1) communication, (2) coordination, (3) advance planning and risk assessment, and (4) resources and knowledge. DISCUSSION Action plans were summarized in the following ideas: (1) plan disaster responses including the different types, identification of hazards, focusing training based on experiences, and provision of public education; (2) improve coordination and control; (3) maintain communications, assuming infrastructure breakdown; (4) maximize mitigation through standardized evaluations, the creation of a legal framework, and recognition of advocacy and public participation; and (5) provide resources and knowledge through access to existing therapies, the media, and increasing and decentralizing hospital inventories. CONCLUSIONS The problems in the Asia-Pacific rim are little different from those encountered elsewhere in the world. They should be addressed in common with the rest of the world.
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