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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, Tehrani FS, 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. Study of the rare decays B0-->D((*)+)(s)pi(-) and B0-->D((*)-)(s)K+. PHYSICAL REVIEW LETTERS 2003; 90:181803. [PMID: 12785999 DOI: 10.1103/physrevlett.90.181803] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2002] [Indexed: 05/24/2023]
Abstract
We report evidence for the decays B0-->D(+)(s)pi(-) and B0-->D(-)(s)K+ and the results of a search for B0-->D(*+)(s)pi(-) and B0-->D(*-)(s)K+ in a sample of 84 x 10(6) upsilon(4S) decays into BB pairs collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) storage ring. We measure the branching fractions B(B0-->D(+)(s)pi(-))=[3.2+/-0.9(stat)+/-1.0(syst)] x 10(-5) and B(B0-->D(-)(s)K+)=[3.2+/-1.0(stat)+/-1.0(syst)] x 10(-5). We also set 90% C.L. limits B(B0-->D(*+)(s)pi(-))<4.1 x 10(-5) and B(B0-->D(*-)(s)K+)<2.5 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, 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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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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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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Mackay C. Praise for the Commentary on structuring the veterinary curriculum and profession to promote the diversity of the profession. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 2001; 42:831. [PMID: 17424649 PMCID: PMC1476653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
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McGovern EM, Mackay C, Hair A, Lindsay H, Bryson SM. Pharmaceutical care needs of patients with angina. PHARMACY WORLD & SCIENCE : PWS 2001; 23:175-6. [PMID: 11721671 DOI: 10.1023/a:1012035706880] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate patient knowledge and assess the management of angina for patients receiving sublingual glyceryl trinitrate (GTN) METHOD: Prospective data collection and patient interview was undertaken in 17 community pharmacies. RESULTS During the study 488 angina patients presented to the participating pharmacies. Data were collected for 347 patients receiving sublingual GTN. Problems with administration technique were identified for 108 patients (31%) and knowledge of when to seek medical help appropriately after failed GTN use was unsure for 134 patients (39%) or poor for 88 patients (25%). Eighty five patients (24%) were not receiving regular symptomatic therapy. Aspirin was prescribed or purchased by 253 patients (73%). Seven pharmacies participated in GP referral (data collected for 201 patients); 31 patients (15%) were referred usually with a recommendation to add aspirin. The outcome of 20 of these referrals was assessed; advice was taken for 13 patients, 3 patients failed to attend GP, aspirin was contraindicated for 3 patients and one patient already attended pharmacist medication review. CONCLUSION This study demonstrated the potential contribution community pharmacists could make at the time of dispensing to the management of patients with angina.
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Mackay C, McCollinson M. The development of a nursing educational programme resulting in the introduction of community based PICC line care. Eur J Cancer 2001. [DOI: 10.1016/s0959-8049(01)81927-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Mackay C, Collinson M. An audit of the patient service in a chemotherapy outpatient department. Eur J Cancer 2001. [DOI: 10.1016/s0959-8049(01)82044-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Bonecchi R, Polentarutti N, Luini W, Borsatti A, Bernasconi S, Locati M, Power C, Proudfoot A, Wells TN, Mackay C, Mantovani A, Sozzani S. Up-regulation of CCR1 and CCR3 and induction of chemotaxis to CC chemokines by IFN-gamma in human neutrophils. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 1999; 162:474-9. [PMID: 9886422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Human neutrophils (polymorphonuclear leukocytes; PMN) respond to some CXC chemokines but do not migrate to CC chemokines. Recent work has shown that chemokine receptors can be modulated by inflammatory cytokines. In this study, the effect of IFN-gamma, a prototypic Th1 cytokine, on chemokine receptor expression in PMN was investigated. IFN-gamma caused a rapid (approximately 1 h) and concentration-dependent increase of CCR1 and CCR3 mRNA. The expression of CCR2, CCR5, and CXCR1-4 was not augmented. IFN-gamma-treated PMN, but not control cells, expressed specific binding sites for labeled monocyte-chemotactic protein (MCP)-3 and migrated to macrophage-inflammatory protein (MIP)-1alpha, RANTES, MCP-3, MIP-5/HCC2, and eotaxin. 7B11, a mAb for CCR3, inhibited the chemotactic response of IFN-gamma-treated PMN to eotaxin, and aminoxypentane-RANTES blocked PMN migration to RANTES. These results suggest that the selectivity of certain chemokines for their target cells may be altered by cytokines produced within an inflammatory context. Since PMN may play a role in orienting immunity toward Th1 responses, it is possible to speculate that IFN-gamma not only promotes Th1 differentiation directly, but also reorients the functional significance of Th2 effector cytokines by broadening the spectrum of their action to include PMN.
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MESH Headings
- Antigens, CD/genetics
- Chemokine CCL7
- Chemotaxis, Leukocyte/immunology
- Cytokines
- Dose-Response Relationship, Immunologic
- Humans
- Interferon-gamma/blood
- Interferon-gamma/physiology
- Interleukin-8/metabolism
- Monocyte Chemoattractant Proteins/metabolism
- Neutrophils/metabolism
- Neutrophils/physiology
- Protein Binding/immunology
- RNA, Messenger/biosynthesis
- Receptors, CCR1
- Receptors, CCR3
- Receptors, Chemokine/biosynthesis
- Receptors, Chemokine/blood
- Receptors, Chemokine/genetics
- Receptors, Interleukin/genetics
- Receptors, Interleukin-8A
- Receptors, Interleukin-8B
- Up-Regulation/immunology
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Sozzani S, Ghezzi S, Iannolo G, Luini W, Borsatti A, Polentarutti N, Sica A, Locati M, Mackay C, Wells TN, Biswas P, Vicenzi E, Poli G, Mantovani A. Interleukin 10 increases CCR5 expression and HIV infection in human monocytes. J Exp Med 1998; 187:439-44. [PMID: 9449724 PMCID: PMC2212126 DOI: 10.1084/jem.187.3.439] [Citation(s) in RCA: 189] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The immunosuppressive and antiinflammatory cytokine interleukin (IL) 10 selectively upregulates the expression of the CC chemokine receptors CCR5, 2, and 1 in human monocytes by prolonging their mRNA half-life. IL-10-stimulated monocytes display an increased number of cell surface receptors for, and better chemotactic responsiveness to, relevant agonists than do control cells. In addition, IL-10-stimulated monocytes are more efficiently infected by HIV BaL. This effect was associated to the enhancement of viral entry through CCR5. These data add support to an emerging paradigm in which pro- and antiinflammatory molecules exert reciprocal and opposing influence on chemokine agonist production and receptor expression.
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Galasko C, Mackay C. Unsupervised surgical training. Logbooks are essential for assessing progress. BMJ (CLINICAL RESEARCH ED.) 1997; 315:1306-7. [PMID: 9390067 PMCID: PMC2127805 DOI: 10.1136/bmj.315.7118.1306a] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Mackay C. Pet owners assume competency when selecting their veterinarian. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 1997; 38:534. [PMID: 17424475 PMCID: PMC1576778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
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Mackay C, Porter KM. Management of major trauma. J Accid Emerg Med 1997; 14:201. [PMID: 9194001 PMCID: PMC1342933 DOI: 10.1136/emj.14.3.201-a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Xia M, Qin S, McNamara M, Mackay C, Hyman BT. Interleukin-8 receptor B immunoreactivity in brain and neuritic plaques of Alzheimer's disease. THE AMERICAN JOURNAL OF PATHOLOGY 1997; 150:1267-74. [PMID: 9094983 PMCID: PMC1858175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Cytokines mediate inflammatory responses through their receptors in the hematopoietic system. In a search for potential mediators of inflammatory responses in Alzheimer's disease, we examined brain for cytokine receptors. Herein we describe interleukin-8 receptor B (IL-8RB, also termed CXCR2) immunoreactivity in the central nervous system. Strong IL-8RB immunoreactivity is present in both Alzheimer's disease and control brains. Neurons, dendrites, and axons are clearly immunoreactive. In Alzheimer's disease, IL-8RB immunoreactivity is also present in some swollen dystrophic neurites of neuritic plaques. Double staining and confocal microscopic analysis reveals that these IL-8RB-positive neurites in plaques are neurofilament positive and are distinct from astrocytic or microglial processes. In general, these IL-8RB-positive neurities do not co-localize with PHF-1 or AT8 (hyperphosphorylated tau) immunoreactive neurites but instead co-localize with beta PP-positive neurites. These results demonstrate for the first time IL-8RB immunoreactivity in the central nervous system and imply a new role for this receptor outside the hematopoietic system. The strong presence of IL-8RB on neurons and the potential of glial cells to produce IL-8 suggest that this system might mediate neuronal-glial interactions.
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Borhan B, Ko Y, Mackay C, Wilson BW, Kurth MJ, Hammock BD. Development of surrogate substrates for neuropathy target esterase. BIOCHIMICA ET BIOPHYSICA ACTA 1995; 1250:171-82. [PMID: 7632722 DOI: 10.1016/0167-4838(95)00058-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Seventeen substrates were synthesized and their activities as surrogate substrates for Neuropathy Target Esterase were tested. Substrates investigated are carbon analogs of phenylvalerate (1) with oxygen and sulfur substituted at the alpha, beta and gamma positions. Phenol and thiophenol esters of these analogs constitute two series of compounds tested. The ratio of catalytic hydrolysis to background hydrolysis increased at lower pH values with all substrates tested including phenylvalerate (1). There was more than a 2.5-fold increase in specific activity with phenylthiopropylethanoate (6) at pH of 6.75 compared to phenylvalerate (1). Furthermore, a 19-fold decrease in Km is reported with compound 6. This and related compounds can be used as the basis of more sensitive assays for neuropathy target esterase. Thiophenyl esters in this series are sufficiently good substrates to hold promise in continuous assays.
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Abstract
New evidence confirms the multi-step model for leukocyte migration through endothelia, but with a twist. The selectins are not always required, and some lymphocyte subsets rely heavily on integrins for their migration to tissues.
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74
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Mackay C, Murphy P, Rosenberg IL, Tait NP. Case report: rectal infarction after abdominal aortic surgery. Br J Radiol 1994; 67:497-8. [PMID: 8193899 DOI: 10.1259/0007-1285-67-797-497] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Full thickness ischaemic colitis complicates approximately 1-2% of abdominal aortic procedures. Ligation of the inferior mesenteric artery and hypotension are recognized as causative factors. It is not, however, widely appreciated that ischaemic proctitis may also rarely complicate aortic surgery, especially after complex procedures or if there has been additional interruption to the internal iliac circulation. We report a case of rectal necrosis following repair of a thrombosed aortic aneurysm in which plain X-ray appearances aided the diagnosis.
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75
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Lorès P, Boucher V, Mackay C, Pla M, Von Boehmer H, Jami J, Barré-Sinoussi F, Weill JC. Expression of human CD4 in transgenic mice does not confer sensitivity to human immunodeficiency virus infection. AIDS Res Hum Retroviruses 1992; 8:2063-71. [PMID: 1493054 DOI: 10.1089/aid.1992.8.2063] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Transfection of the human CD4 molecule into mouse cells does not confer susceptibility to human immunodeficiency virus type 1 (HIV-1) infection. Expression of the human CD4 molecule in transgenic mice was seen to offer some new possibilities. However, transgenic mouse T cells expressing either the human CD4 receptor, or a hybrid human/mouse CD4 receptor alone or in conjunction with human major histocompatibility complex class I molecules, were refractory to in vitro HIV-1 infection. In addition, no infection was observed after in vivo HIV inoculation to mice of these various transgenic lines. Injection of recombinant gp160 viral protein to the transgenic mice did not alter their T and B cell populations. The existence of a dominant block in mouse cells that prevents HIV entry is discussed.
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