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Staric M, Golob B, Abe K, Abe K, Adachi I, Aihara H, Arinstein K, Aushev T, Aziz T, Bahinipati S, Bakich AM, Balagura V, Barberio E, Bay A, Belous K, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Cho IS, Choi SK, Choi Y, Cole S, Dalseno J, Danilov M, Dash M, Dragic J, Drutskoy A, Eidelman S, Epifanov D, Fratina S, Gabyshev N, Garmash A, Gorisek A, Ha H, Haba J, Hara T, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Heffernan D, Higuchi T, Hokuue T, Hoshi Y, Hou WS, Iijima T, Ikado K, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kaji H, Kapusta P, Katayama N, Kawasaki T, Kibayashi A, Kichimi H, Kim SK, Kim YJ, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kumar R, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Lee MJ, Lee SE, Lesiak T, Li J, Limosani A, Lin SW, Liventsev D, Mandl F, Marlow D, Matsumoto T, Matyja A, McOnie S, Medvedeva T, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Mohapatra D, Nagasaka Y, Nakamura I, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Okuno S, Olsen SL, Onuki Y, Ozaki H, Pakhlov P, Pakhlova G, Palka H, Pestotnik R, Piilonen LE, Poluektov A, Rozanska M, Sahoo H, Sakai Y, Satoyama N, Schneider O, Schümann J, Schwanda C, Schwartz AJ, Seidl R, Senyo K, Sevior ME, Shapkin M, Shen CP, Shibuya H, Shwartz B, Sokolov A, Somov A, Stanic S, Stoeck H, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tikhomirov I, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Ueno K, Uglov T, Unno Y, Uno S, Urquijo P, Ushiroda Y, Usov Y, Varner G, Varvell KE, Vervink K, Villa S, Vinokurova A, Wang CH, Wang MZ, Watanabe Y, Wicht J, Won E, Xie QL, Yabsley BD, Yamaguchi A, Yamamoto H, Yamashita Y, Yamauchi M, Yuan CZ, Yuan Y, Zhang CC, Zhang LM, Zhang ZP, Zhilich V, Zupanc A. Evidence for D0-D0 mixing. PHYSICAL REVIEW LETTERS 2007; 98:211803. [PMID: 17677765 DOI: 10.1103/physrevlett.98.211803] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2007] [Indexed: 05/16/2023]
Abstract
We observe evidence for D(0)-D(0) mixing by measuring the difference in the apparent lifetime when a D(0) meson decays to the CP eigenstates K(+)K(-) and pi(+)pi(-) and when it decays to the final state K(-)pi(+). We find the relative difference of the lifetimes y(CP) to be [1.31+/-0.32(stat)+/-0.25(syst)]%, 3.2 standard deviations from zero. We also search for a CP asymmetry between D(0) and D(0) decays; no evidence for CP violation is found. These results are based on 540 fb(-1) of data recorded by the Belle detector at the KEKB e(+)e(-) collider.
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Lin SW, Chang P, Abe K, Abe K, Adachi I, Aihara H, Anipko D, Arinstein K, Aulchenko V, Aushev T, Aziz T, Bakich AM, Barberio E, Bay A, Bedny I, Belous K, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Dalseno J, Dash M, Dragic J, Eidelman S, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Ha H, Haba J, Hara T, Hayasaka K, Hayashii H, Hazumi M, Heffernan D, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Ikado K, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kaji H, Kang JH, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim YJ, Kinoshita K, Korpar S, Krizan P, Kulasiri R, Kuo CC, Kwon YJ, Lange JS, Lee J, Lee MJ, Lee SE, Lesiak T, Limosani A, Mandl F, Matsumoto T, McOnie S, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Mohapatra D, Mori T, Nakamura I, Nakano E, Nakao M, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Ohshima T, Okuno S, Olsen SL, Onuki Y, Ozaki H, Pakhlov P, Pakhlova G, Park CW, Park H, Park KS, Pestotnik R, Piilonen LE, Sahoo H, Sakai Y, Satoyama N, Schietinger T, Schneider O, Schümann J, Schwartz AJ, Senyo K, Shapkin M, Singh JB, Sokolov A, Somov A, Soni N, Stanic S, Staric M, Stoeck H, Sumiyoshi T, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tikhomirov I, Trabelsi K, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Usov Y, Varner G, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Won E, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Zhang CC, Zhang LM, Zhang ZP, Zhilich V, Zupanc A. Observation of B decays to two kaons. PHYSICAL REVIEW LETTERS 2007; 98:181804. [PMID: 17501563 DOI: 10.1103/physrevlett.98.181804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2006] [Revised: 03/15/2007] [Indexed: 05/15/2023]
Abstract
Using 449x10(6) BB[over ] pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider, we observe clear signals for B(+)-->K[over ](0)K(+) and B(0)-->K[over ](0)K(0) decays with 5.3sigma and 6.0sigma significance, respectively. We measure the branching fractions B(B(+)-->K[over ](0)K(+))=(1.22(-0.28-0.16)(+0.32+0.13))x10(-6) and B(B(0)-->K[over ](0)K(0))=(0.87(-0.20)(+0.25)+/-0.09)x10(-6), and partial-rate asymmetries A(CP)(B(+)-->K[over ](0)K(+))=0.13(-0.24)(+0.23)+/-0.02 and A(CP)(B(0)-->K[over ](0)K(0))=-0.58(-0.66)(+0.73)+/-0.04. From a simultaneous fit, we also obtain B(B(+)-->K(0)pi(+))=(22.8(-0.7)(+0.8)+/-1.3)x10(-6) and A(CP)(B(+)-->K(0)pi(+))=0.03+/-0.03+/-0.01. The first and second error in the branching fractions and the partial-rate asymmetries are statistical and systematic, respectively. No signal is observed for B(0)-->K(+)K(-) decays, and for this branching fraction, we set an upper limit of 4.1x10(-7) at the 90% confidence level.
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Tajima O, Hayashii H, Hazumi M, Inami K, Iwasaki Y, Uehara S, Abe K, Adachi I, Aihara H, Anipko D, Aulchenko V, Bakich AM, Barberio E, Bedny I, Belous K, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Chang MC, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi Y, Choi YK, Cole S, Dalseno J, Danilov M, Dash M, Drutskoy A, Eidelman S, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Ha H, Haba J, Hayasaka K, Heffernan D, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Ikado K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Kang JH, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SK, Kim YJ, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kumar R, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Lee J, Lee MJ, Lesiak T, Limosani A, Lin SW, Liventsev D, Majumder G, Mandl F, Matsumoto T, McOnie S, Miyabayashi K, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Mori T, Mueller J, Nakamura I, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Ohshima T, Okuno S, Olsen SL, Onuki Y, Ozaki H, Pakhlov P, Pakhlova G, Park H, Pestotnik R, Piilonen LE, Sahoo H, Sakai Y, Satoyama N, Schietinger T, Schneider O, Schümann J, Schwartz AJ, Seidl R, Senyo K, Sevior ME, Shapkin M, Shibuya H, Shwartz B, Singh JB, Sokolov A, Somov A, Soni N, Stanic S, Staric M, Stoeck H, Sumisawa K, Sumiyoshi T, Suzuki S, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tikhomirov I, Trabelsi K, Tsuboyama T, Tsukamoto T, Uglov T, Uno S, Urquijo P, Ushiroda Y, Usov Y, Varner G, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Wedd R, Wicht J, Won E, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Zhang ZP, Zhilich V, Zupanc A. Search for invisible decay of the Upsilon(1S). PHYSICAL REVIEW LETTERS 2007; 98:132001. [PMID: 17501190 DOI: 10.1103/physrevlett.98.132001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2006] [Indexed: 05/15/2023]
Abstract
We report results of a search for the invisible decay of the Upsilon(1S) via the Upsilon(3S)-->pi+ pi- Upsilon(1S) transition using a data sample of 2.9 fb-1 at the Upsilon(3S) resonance. The data were collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. No signal is found, and an upper limit for the branching fraction at the 90% confidence level is determined to be B(Upsilon(1S)-->invisible)<2.5 x 10(-3).
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Chang MC, Abe K, Abe K, Adachi I, Aihara H, Anipko D, Arinstein K, Aushev T, Bakich AM, Barberio E, Bay A, Bedny I, Belous K, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Browder TE, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Cole S, Dalseno J, Danilov M, Dash M, Drutskoy A, Eidelman S, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Ha H, Haba J, Hara T, Hayasaka K, Hazumi M, Heffernan D, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kaji H, Kang JH, Kataoka SU, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim SK, Kim YJ, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kulasiri R, Kumar R, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee MJ, Lee SE, Lesiak T, Limosani A, Lin SW, Majumder G, Mandl F, Matsumoto T, Matyja A, McOnie S, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Mori T, Nagamine T, Nakamura I, Nakano E, Nakao M, Nishida S, Nitoh O, Noguchi S, Ogawa S, Ohshima T, Okuno S, Olsen SL, Onuki Y, Ozaki H, Pakhlov P, Pakhlova G, Palka H, Park H, Park KS, Peak LS, Pestotnik R, Piilonen LE, Sakai Y, Satoyama N, Schietinger T, Schneider O, Schümann J, Schwartz AJ, Seidl R, Senyo K, Shapkin M, Shibuya H, Shwartz B, Singh JB, Somov A, Soni N, Stanic S, Staric M, Stoeck H, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tikhomirov I, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Uno S, Urquijo P, Ushiroda Y, Usov Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Wedd R, Won E, Xie QL, Yamaguchi A, Yamashita Y, Yamauchi M, Yusa Y, Zhang CC, Zhang LM, Zhang ZP, Zupanc A. Observation of the decay B(0)-->J/psieta. PHYSICAL REVIEW LETTERS 2007; 98:131803. [PMID: 17501188 DOI: 10.1103/physrevlett.98.131803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2007] [Indexed: 05/15/2023]
Abstract
We report the first observation of B(0)-->J/psieta decay. These results are obtained from a data sample that contains 449 x10(6) BB[over] pairs accumulated at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We observe a signal with a significance of 8.1 sigma and obtain a branching fraction of (9.5+/-1.7(stat)+/-0.8(syst)) x 10(-6).
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Nakamura I, Xue G, Sakudo A, Saeki K, Matsumoto Y, Ikuta K, Onodera T. Novel single nucleotide polymorphisms in the specific protein 1 binding site of the bovine PRNP promoter in Japanese Black cattle: impairment of its promoter activity. Intervirology 2007; 50:190-6. [PMID: 17283444 DOI: 10.1159/000099217] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2006] [Accepted: 07/27/2006] [Indexed: 11/19/2022] Open
Abstract
Susceptibility to transmissible spongiform encephalopathy and different alleles of the prion protein gene (PRNP) of humans and sheep are associated. A tentative association between PRNP promoter polymorphisms and bovine spongiform encephalopathy (BSE) susceptibility has been reported in German cattle, whereas none of the known polymorphisms within the bovine PRNP-coding sequence affect BSE susceptibility. In the present study, novel single nucleotide polymorphisms located in the 5'-flanking region of bovine PRNP affecting its expression were demonstrated in Japanese Black cattle. We sequenced exon 1, and the approximately 200-bp 5'-flanking region of the PRNP translation initiation site containing the proximal promoter of PRNP was harvested. We identified 7 single nucleotide polymorphisms: -184A-->G, -141T-->C, -85T-->G, -47C-->A, -6C-->T, +17C-->T and +43C-->T. Six segregated haplotypes in the population were cloned into luciferase-expressing plasmids, transfected into N2a cells, and their reporter activities were measured 48 h after transfection. Six haplotypes showed a decreased expression level including -6C-->T in specific protein 1 binding site (p < 0.05) or -141T-->C (p < 0.01) at 48 h compared with the wild-type haplotype. These results advocate that certain polymorphisms such as specific protein 1 binding site polymorphisms in the bovine PRNP promoter region in Japanese Black cattle could influence promoter activity, suggesting that breeding cattle with such substitutions may be a useful approach in reducing BSE risk.
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Nakashima Y, Nakamura I, Miyatani H, Yoshida Y, Konishi F, Yamada S. Double-balloon enteroscopy for diagnosis of Meckel's diverticulum in a patient with gastrointestinal bleeding. Endoscopy 2007; 39 Suppl 1:E140-1. [PMID: 17611886 DOI: 10.1055/s-2006-944646] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Chen KF, Hara K, Hazumi M, Higuchi T, Miyabayashi K, Nakahama Y, Sumisawa K, Tajima O, Ushiroda Y, Yusa Y, Abe K, Abe K, Adachi I, Aihara H, Anipko D, Arinstein K, Aulchenko V, Aushev T, Aziz T, Bakich AM, Balagura V, Banerjee S, Barberio E, Barbero M, Bay A, Belous K, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dragic J, Drutskoy A, Eidelman S, Epifanov D, Fratina S, Garmash A, Gershon T, Go A, Gokhroo G, Goldenzweig P, Golob B, Ha H, Haba J, Hara T, Hayasaka K, Hayashii H, Heffernan D, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Ikado K, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kakuno H, Kang JH, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SK, Kim YJ, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kulasiri R, Kumar R, Kuo CC, Kusaka A, Kuzmin A, Kwon YJ, Leder G, Lee J, Lee MJ, Lesiak T, Li J, Limosani A, Lin SW, Liu Y, Liventsev D, Majumder G, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Mohapatra D, Moloney GR, Murakami A, Nagamine T, Nagasaka Y, Nakamura I, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Ohshima T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Pakhlova G, Palka H, Park H, Pestotnik R, Piilonen LE, Sahoo H, Sakai Y, Satoyama N, Schietinger T, Schneider O, Schümann J, Schwartz AJ, Seidl R, Senyo K, Sevior ME, Shapkin M, Shibuya H, Shwartz B, Singh JB, Sokolov A, Somov A, Stanic S, Staric M, Stoeck H, Sumiyoshi T, Suzuki S, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Urquijo P, Usov Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Wedd R, Won E, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Zhang CC, Zhang ZP, Zhilich V, Zupanc A. Observation of time-dependent CP violation in B0 --> eta'K0 decays and improved measurements of CP asymmetries in B0 --> phiK0, KS0KS0KS0 and B0 --> J/psiK0 decays. PHYSICAL REVIEW LETTERS 2007; 98:031802. [PMID: 17358677 DOI: 10.1103/physrevlett.98.031802] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2006] [Indexed: 05/14/2023]
Abstract
We present improved measurements of CP-violation parameters in B(0) --> phiK(0), eta(')K(0), KS(0)KS(0)KS(0) decays based on a sample of 535 x 10(6) BB pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB energy-asymmetric e(+)e(-) collider. We obtain sin2phi1(eff)=+0.64+/-0.10(stat)+/-0.04(syst) for B(0) --> eta(')K(0), +0.50+/-0.21(stat)+/-0.06(syst) for B(0) --> phiK(0), and +0.30+/-0.32(stat)+/-0.08(syst) for B(0) --> KS(0)KS(0)KS(0) decays. We have observed CP violation in the B(0) --> eta(')K(0) decay with a significance of 5.6 standard deviations. We also perform an improved measurement of CP asymmetries in B(0) --> J/psiK(0) decays and obtain sin2phi1=+0.642+/-0.031(stat)+/-0.017(syst).
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Sakudo A, Nakamura I, Lee DC, Saeki K, Ikuta K, Onodera T. Neurotoxic Prion Protein (PrP) Fragment 106-126 Requires the N-terminal Half of the Hydrophobic Region of PrP in the PrP-Deficient Neuronal Cell Line. Protein Pept Lett 2007. [DOI: 10.2174/092986607779117227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Sakudo A, Nakamura I, Lee DC, Saeki K, Ikuta K, Onodera T. Neurotoxic prion protein (PrP) fragment 106-126 requires the N-terminal half of the hydrophobic region of PrP in the PrP-deficient neuronal cell line. Protein Pept Lett 2007; 14:1-6. [PMID: 17266643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The cytotoxicity of aged PrP(106-126) was examined using an immortalized prion protein (PrP) gene-deficient neuronal cell line. The N-terminal half of the hydrophobic region (HR) but not the octapeptide repeat (OR) of PrP was required for aged PrP(106-126) neurotoxicity, suggesting that neurotoxic signals of aged PrP(106-126) are mediated by this region.
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Sakudo A, Nakamura I, Lee DC, Saeki K, Ikuta K, Onodera T. Neurotoxic Prion Protein (PrP) Fragment 106-126 Requires the N-terminal Half of the Hydrophobic Region of PrP in the PrP-Deficient Neuronal Cell Line. Protein Pept Lett 2007. [DOI: 10.2174/0929866510707010001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Sakudo A, Nakamura I, Ikuta K, Onodera T. Recent Developments in Prion Disease Research: Diagnostic Tools and In Vitro Cell Culture Models. J Vet Med Sci 2007; 69:329-37. [PMID: 17485919 DOI: 10.1292/jvms.69.329] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
After prion infection, an abnormal isoform of prion protein (PrP(Sc)) converts the cellular isoform of prion protein (PrP(C)) into PrP(Sc). PrP(C)-to-PrP(Sc) conversion leads to PrP(Sc) accumulation and PrP(C) deficiency, contributing etiologically to induction of prion diseases. Presently, most of the diagnostic methods for prion diseases are dependent on PrP(Sc) detection. Highly sensitive/accurate specific detection of PrP(Sc) in many different samples is a prerequisite for attempts to develop reliable detection methods. Towards this goal, several methods have recently been developed to facilitate sensitive and precise detection of PrP(Sc), namely, protein misfolding cyclic amplification, conformation-dependent immunoassay, dissociation-enhanced lanthanide fluorescent immunoassay, capillary gel electrophoresis, fluorescence correlation spectroscopy, flow microbead immunoassay, etc. Additionally, functionally relevant prion-susceptible cell culture models that recognize the complexity of the mechanisms of prion infection have also been pursued, not only in relation to diagnosis, but also in relation to prion biology. Prion protein (PrP) gene-deficient neuronal cell lines that can clearly elucidate PrP(C) functions would contribute to understanding of the prion infection mechanism. In this review, we describe the trend in recent development of diagnostic methods and cell culture models for prion diseases and their potential applications in prion biology.
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Ikado K, Abe K, Abe K, Adachi I, Aihara H, Akai K, Akemoto M, Anipko D, Arinstein K, Aulchenko V, Aushev T, Aziz T, Bakich AM, Balagura V, Barbero M, Bay A, Bedny I, Belous K, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Chang P, Chen A, Chen WT, Choi Y, Cole S, Dalseno J, Danilov M, Dash M, Eidelman S, Epifanov D, Flanagan J, Fratina S, Furukawa K, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Ha H, Haba J, Hara K, Hara T, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Iida N, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kamitani T, Kang JH, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Kichimi H, Kikutani E, Kim HJ, Kim HO, Kinoshita K, Koiso H, Korpar S, Krizan P, Krokovny P, Kulasiri R, Kumar R, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lee J, Lesiak T, Limosani A, Lin SW, Liventsev D, Marlow D, Matsumoto T, Matyja A, McOnie S, Michizono S, Mimashi T, Mitaroff W, Miyabayashi K, Miyata H, Miyazaki Y, Mizuk R, Nagamine T, Nakamura I, Nakamura TT, Nakano E, Nakao M, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Ogawa Y, Ohmi K, Ohshima T, Ohuchi N, Oide K, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Park CW, Park H, Pestotnik R, Piilonen LE, Poluektov A, Rozanska M, Sakai Y, Schietinger T, Schneider O, Schwanda C, Senyo K, Sevior ME, Shapkin M, Shibuya H, Shidara T, Shwartz B, Sidorov V, Sokolov A, Somov A, Stanic S, Staric M, Stoeck H, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Tawada M, Taylor GN, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Usov Y, Varner G, Villa S, Wang CC, Wang CH, Watanabe Y, Won E, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Yoshida M, Yusa Y, Zhang LM, Zhang ZP, Zhilich V, Zürcher D. Evidence of the purely leptonic decay B- --> tau- nu(tau). PHYSICAL REVIEW LETTERS 2006; 97:251802. [PMID: 17280341 DOI: 10.1103/physrevlett.97.251802] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2006] [Revised: 10/18/2006] [Indexed: 05/13/2023]
Abstract
We present the first evidence of the decay B- --> tau- nu(tau), using 414 fb(-1) of data collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+ e- collider. Events are tagged by fully reconstructing one of the B mesons in hadronic modes. We detect the signal with a significance of 3.5 standard deviations including systematics and measure the branching fraction to be B(B- --> tau- nu(tau)) = (1.79(-0.49) +0.56(stat)(-0.51) +0.46(syst)) x 10(-4). This implies that fB = 0.229(-0.031) +0.036(stat)(-0.037) +0.034(syst) GeV and is the first direct measurement of this quantity.
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Krokovny P, Abe K, Abe K, Adachi I, Aihara H, Anipko D, Arinstein K, Asano Y, Aulchenko V, Aushev T, Bahinipati S, Bakich AM, Balagura V, Barberio E, Bay A, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Chao Y, Chen A, Chen WT, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Eidelman S, Epifanov D, Fratina S, Gabyshev N, Garmash A, Gershon T, Go A, Gorisek A, Ha H, Hayasaka K, Hayashii H, Hazumi M, Heffernan D, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Ikado K, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Katayama N, Kawai H, Kawasaki T, Kichimi H, Kim HJ, Kim SM, Kinoshita K, Korpar S, Krizan P, Kulasiri R, Kumar R, Kuo CC, Kuzmin A, Kwon YJ, Lee J, Lesiak T, Li J, Lin SW, Majumder G, Matsumoto T, McOnie S, Mitaroff W, Miyabayashi K, Miyazaki Y, Mori T, Nakamura I, Nakao M, Nishida S, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Ozaki H, Pakhlov P, Park CW, Park H, Peak LS, Pestotnik R, Piilonen LE, Poluektov A, Rozanska M, Sakai Y, Sarangi TR, Sato N, Satoyama N, Schietinger T, Schneider O, Senyo K, Shibuya H, Shwartz B, Singh JB, Sokolov A, Somov A, Soni N, Stamen R, Staric M, Stoeck H, Sumisawa K, Tajima O, Takasaki F, Tamai K, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Ueno K, Uno S, Urquijo P, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Watanabe Y, Won E, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Zhang LM, Zhang ZP, Zhilich V. Measurement of the quark mixing parameter cos2phi1 using time-dependent Dalitz analysis of B0 -->D[KS(0)pi + pi-]h0. PHYSICAL REVIEW LETTERS 2006; 97:081801. [PMID: 17026290 DOI: 10.1103/physrevlett.97.081801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2006] [Indexed: 05/12/2023]
Abstract
We present a measurement of the angle phi1 of the Cabibbo-Kobayashi-Maskawa unitarity triangle using a time-dependent Dalitz analysis of D-->KS(0)pi + pi- decays produced in neutral B meson decay to a neutral D meson and a light meson (B0-->D*h0). The method allows a direct extraction of 2phi1 and, therefore, helps to resolve the ambiguity between 2phi1 and pi-2phi1 in the measurement of sin2phi1. We obtain sin2phi1= 0.78 +/- 0.44 +/- 0.22 and cos2varphi1 = 1.87(-0.53-0.32)(+0.40 + 0.22). The sign of cos2phi1 is determined to be positive at 98.3% C.L.
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Schümann J, Wang CH, Abe K, Adachi I, Aihara H, Anipko D, Arinstein K, Asano Y, Aushev T, Bakich AM, Balagura V, Barberio E, Barbero M, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Browder TE, Chang MC, Chang P, Chao Y, Chen A, Chen WT, Cheon BG, Choi Y, Choi YK, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dragic J, Drutskoy A, Eidelman S, Epifanov D, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Ha HC, Haba J, Hara T, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim SK, Kim SM, Kinoshita K, Kulasiri R, Kumar R, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Lee J, Lesiak T, Limosani A, Liventsev D, MacNaughton J, Majumder G, Mandl F, Marlow D, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Moloney GR, Mori T, Nagamine T, Nakamura I, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ozaki H, Pakhlov P, Palka H, Park CW, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Rozanska M, Sakai Y, Sarangi TR, Sato N, Schietinger T, Schneider O, Schwanda C, Seidl R, Senyo K, Sevior ME, Shapkin M, Shibuya H, Shwartz B, Sidorov V, Sokolov A, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Suzuki S, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Urquijo P, Usov Y, Varner G, Varvell KE, Villa S, Wang CC, Wang MZ, Watanabe Y, Won E, Xie QL, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Yusa Y, Zhang CC, Zhang LM, Zhang ZP, Zhilich V, Zürcher D. Evidence for B-->eta'pi and improved measurements for B-->eta'K. PHYSICAL REVIEW LETTERS 2006; 97:061802. [PMID: 17026158 DOI: 10.1103/physrevlett.97.061802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2006] [Indexed: 05/12/2023]
Abstract
We report evidence for the exclusive two-body charmless hadronic B meson decay B-->eta'pi, and improved measurements of B-->eta'K. The results are obtained from a data sample of 386x10(6) BB pairs collected at the Upsilon(4S) resonance, with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure B(B+-->eta'pi+)=[1.76(-0.62)(+0.67)(stat)(-0.14)(+0.15)(syst)]x10(-6) and B(B0-->eta'pi0)=[2.79(-0.96)(+1.02)(stat)(-0.34)(+0.25)(syst)]x10(-6). We also find the ratio of B(B+-->eta'K+)/B(B0-->eta'K0)=1.17+/-0.08(stat)+/-0.03(syst) and measure the direct CP asymmetries for the charged modes.
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Widhalm L, Abe K, Abe K, Adachi I, Aihara H, Arinstein K, Asano Y, Aushev T, Bakich AM, Balagura V, Barberio E, Barbero M, Bay A, Bedny I, Belous K, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Browder TE, Chang P, Chen A, Chen WT, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Drutskoy A, Eidelman S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Gorisek A, Ha H, Haba J, Hara T, Hayasaka K, Hayashii H, Hazumi M, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Ikado K, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kakuno H, Kang JH, Kapusta P, Kataoka SU, Kawai H, Kawasaki T, Khan HR, Kim HJ, Kim HO, Kinoshita K, Krokovny P, Kulasiri R, Kumar R, Kuo CC, Kwon YJ, Lange JS, Leder G, Lee J, Lesiak T, Li J, Limosani A, Lin SW, Majumder G, Mandl F, Matsumoto T, Matyja A, McOnie S, Mitaroff W, Miyata H, Miyazaki Y, Mohapatra D, Nakamura I, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Pakhlov P, Park CW, Peak LS, Pestotnik R, Piilonen LE, Sakai Y, Sato N, Satoyama N, Sayeed K, Schietinger T, Schneider O, Schwanda C, Schwartz AJ, Senyo K, Sevior ME, Shapkin M, Shibuya H, Shwartz B, Somov A, Stamen R, Stanic S, Staric M, Stoeck H, Suzuki SY, Takasaki F, Tamai K, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Urquijo P, Usov Y, Varner G, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Won E, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Zhang LM, Zhang ZP, Zürcher D. Measurement of D0-->pilnu(Klnu) form factors and absolute branching fractions. PHYSICAL REVIEW LETTERS 2006; 97:061804. [PMID: 17026160 DOI: 10.1103/physrevlett.97.061804] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2006] [Revised: 07/12/2006] [Indexed: 05/12/2023]
Abstract
Using a 282 fb-1 data sample collected by the Belle experiment at the KEKB e+e- collider, we study D0 decays to K-l+nu and pi-l+nu final states. The D0 flavor and momentum are tagged through a full reconstruction of the recoiling charm meson and additional mesons from fragmentation. The reconstruction method provides very good resolution in neutrino momentum and in q2=(pl+pnu)2. Normalizing to the total number of D0 tags, we measure the absolute branching fractions to be B(D0-->Klnu)=(3.45+/-0.07stat+/-0.20syst)% and B(D0-->pilnu)=(0.255+/-0.019stat+/-0.016syst)% and the semileptonic form factors (within the modified pole model) f+K(0)=0.695+/-0.007stat+/-0.022syst and f+pi(0)=0.624+/-0.020stat+/-0.030syst.
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66
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Seidl R, Hasuko K, Abe K, Adachi I, Aihara H, Anipko D, Asano Y, Aushev T, Bakich AM, Balagura V, Barberio E, Bartel W, Bay A, Bitenc U, Bizjak I, Blyth S, Bozek A, Bracko M, Browder TE, Chang P, Chen A, Cheon BG, Choi Y, Choi YK, Chuvikov A, Dalseno J, Danilov M, Dash M, Dragic J, Eidelman S, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Grosse Perdekamp M, Ha HC, Hayasaka K, Hayashii H, Hazumi M, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim SK, Kim SM, Kulasiri R, Kumar R, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Lee J, Lesiak T, Li J, Limosani A, Lin SW, Liventsev D, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Mori T, Nakamura I, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Ogawa A, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ozaki H, Pakhlov P, Palka H, Park CW, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Sakai Y, Sato N, Satoyama N, Schietinger T, Schneider O, Schümann J, Senyo K, Sevior ME, Shapkin M, Shibuya H, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Takasaki F, Tamai K, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tsukamoto T, Uehara S, Uglov T, Uno S, Urquijo P, Usov Y, Varner G, Villa S, Wang CC, Wang CH, Watanabe Y, Won E, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Yusa Y, Zhang LM, Zhang ZP, Zhilich V, Zürcher D. Measurement of azimuthal asymmetries in inclusive production of hadron pairs in e(+)e(-) annihilation at Belle. PHYSICAL REVIEW LETTERS 2006; 96:232002. [PMID: 16803372 DOI: 10.1103/physrevlett.96.232002] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2006] [Indexed: 05/10/2023]
Abstract
The Collins effect connects transverse quark spin with a measurable azimuthal dependence in the yield of hadronic fragments around the quark's momentum vector. Using two different reconstruction methods, we find evidence of statistically significant azimuthal asymmetries for charged pion pairs in e(+)e(-) annihilation at a center-of-mass energy of 10.52 GeV, which can be attributed to a transverse polarization of the primordial quarks. The measurement was performed using a sample of 79 x 10(6) hadronic events collected with the Belle detector.
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67
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Kusakabe M, Nakamura I, Evans J, Swanson P, Young G. Changes in mRNAs encoding steroidogenic acute regulatory protein, steroidogenic enzymes and receptors for gonadotropins during spermatogenesis in rainbow trout testes. J Endocrinol 2006; 189:541-54. [PMID: 16731785 DOI: 10.1677/joe.1.06684] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
In vertebrates, sperm development and maturation are directly regulated by gonadal steroid hormone secretion. The relationships among the expression of genes encoding steroidogenic proteins and receptors for gonadotropins, and testicular steroid production have not yet been comprehensively determined in male teleosts. In this study, the changes in levels of mRNAs encoding follicle-stimulating hormone (FSH) receptor, luteinizing hormone (LH) receptor, steroidogenic acute regulatory protein (StAR), cytochrome P450 cholesterol side-chain cleavage, 3beta-hydroxysteroid dehydrogenase/delta5-4-isomerase, cytochrome P450 17alpha-hydroxylase/17,20-lyase, cytochrome P450 11beta-hydroxylase, 11beta-hydroxysteroid dehydrogenase and 20beta-hydroxysteroid dehydrogenase were determined by real-time, quantitative PCR assays and related to changes in serum steroid levels throughout the reproductive cycle in male rainbow trout. Serum 11-ketotestosterone and 17alpha,20beta-dihydroxy-4-pregnen-3-one levels were measured by RIA. Although the pattern of change in the mRNA levels for the enzymes was variable, the increases in steroidogenic enzyme mRNAs started prior to a significant increase of serum steroid levels. The patterns of transcript levels of FSH and LH receptors suggest that changes in StAR and steroidogenic enzyme transcripts are largely mediated by the FSH receptor during early and mid-spermatogenesis and by the LH receptor during late spermatogenesis and spermiation. Levels of StAR (10-fold) and P450 17alpha-hydroxylase/17,20-lyase (sevenfold) transcripts changed with the greatest magnitude and were closely related to the changes in serum steroids, suggesting that changes in StAR and P450 17alpha-hydroxylase/17,20-lyase abundance are likely to be the major influences on overall steroidogenic output during the reproductive cycle in male rainbow trout.
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68
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Tanaka S, Suzuki H, Yamauchi H, Nakamura I, Nakamura K. Signal transduction pathways of calcitonin/calcitonin receptor regulating cytoskeletal organization and bone-resorbing activity of osteoclasts. Cell Mol Biol (Noisy-le-grand) 2006; 52:19-23. [PMID: 17535750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2005] [Accepted: 07/29/2005] [Indexed: 05/15/2023]
Abstract
Calcitonin is a calcium-regulating peptide hormone that acts directly on osteoclasts and suppresses their function. In this review we will focus on the downstream signaling pathways of calcitonin receptor regulating cytoskeletal organization of osteoclasts. We will also introduce the clinical application of the hormone for metabolic bone diseases.
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69
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Bizjak I, Abe K, Abe K, Aihara H, Asano Y, Bahinipati S, Bakich AM, Ban Y, Barberio E, Barbero M, Bay A, Bitenc U, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Gorisek A, Haba J, Hara T, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kulasiri R, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Limosani A, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Nagamine T, Nagasaka Y, Nakamura I, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Pakhlov P, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schönmeier P, Schwanda C, Senyo K, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Urquijo P, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Watanabe Y, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Yang H, Zhang LM, Zhang ZP, Zhilich V, Zontar D. Determination of /Vub/ from measurements of the inclusive charmless semileptonic partial rates of B mesons using full reconstruction tags. PHYSICAL REVIEW LETTERS 2005; 95:241801. [PMID: 16384368 DOI: 10.1103/physrevlett.95.241801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2005] [Indexed: 05/05/2023]
Abstract
We present a measurement of the Cabibbo-Kobayashi-Maskawa matrix element /Vub/, based on 253 fb(-1) of data collected by the Belle detector at the KEKB e+ e- asymmetric collider. Events are tagged by fully reconstructing one of the B mesons, produced in pairs from Gamma(4S). The signal for b --> u semileptonic decay is distinguished from the b --> c background using the hadronic mass Mx, the leptonic invariant mass squared q2 and the variable P+ [triple bond] Ex - /px/. The results are obtained for events with p(l)* > or = 1 GeV/c, in three kinematic regions (1) Mx < 1.7 GeV/c2, (2) Mx < 1.7 GeV/c2 combined with q2 > 8 GeV2/c2, and by (3) P+ < 0.66 GeV/c. The matrix element /Vub/ is found to be (4.09 +/- 0.19 +/- 0.20(+0.14) -0.15 +/- 0.18) x 10(-3), where the errors are statistical, systematic including Monte Carlo modeling, theoretical, and from shape function parameter determination, respectively.
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Abe K, Adachi I, Aihara H, Arinstein K, Asano Y, Aushev T, Bakich AM, Ban Y, Barberio E, Barbero M, Bay A, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Cole S, Dalseno J, Dash M, Dong LY, Drutskoy A, Eidelman S, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Gorisek A, Haba J, Hara K, Hara T, Hastings NC, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kakuno H, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kibayashi A, Kichimi H, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kumar S, Kuo CC, Kusaka A, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, MacNaughton J, Majumder G, Mandl F, Marlow D, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Mohapatra D, Murakami A, Nagamine T, Nagasaka Y, Nakamura I, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Ronga FJ, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schönmeier P, Schümann J, Schwartz AJ, Senyo K, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Urquijo P, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Yang H, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D, Zürcher D. Improved evidence for direct CP violation in B0-->pi+pi- decays and model-independent constraints on phi2. PHYSICAL REVIEW LETTERS 2005; 95:101801. [PMID: 16196917 DOI: 10.1103/physrevlett.95.101801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2005] [Indexed: 05/04/2023]
Abstract
We present a new measurement of the time-dependent CP-violating parameters in B(0)--> pi(+)pi(-) decays with 275 x 10(6) BB pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider operating at the Gamma(4S) resonance. We find 666 +/- 43 B(0) --> pi(+)pi(-) events and measure the CP-violating parameters: S(pipi) = -0.67 +/- 0.16(stat) +/- 0.06(syst) and A(pipi) = +0.56 +/- 0.12(stat) +/- 0.06(syst). We find evidence for large direct CP violation with a significance greater than 4 standard deviations for any S(pipi) value. Using isospin relations, we obtain 95.4% confidence intervals for the Cabibbo-Kobayashi-Maskawa quark-mixing matrix angle phi(2) of 0 degree < phiv(2) < 19 degrees and 71 degrees < phi(2) < 180 degrees.
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Majumder G, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Aulchenko V, Aushev T, Bahinipati S, Bakich AM, Banerjee S, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang MC, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Drutskoy A, Eidelman S, Enari Y, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Haba J, Hara T, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SK, Kim SM, Krizan P, Krokovny P, Kulasiri R, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, Macnaughton J, Mandl F, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Mohapatra D, Moloney GR, Nagamine T, Nagasaka Y, Nakamura I, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Palka H, Park CW, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schönmeier P, Schümann J, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Urquijo P, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Xie QL, Yamaguchi A, Yamashita Y, Yamauchi M, Yang H, Ying J, Zhang CC, Zhang LM, Zhang ZP, Zhilich V, Zontar D. Evidence for B0 --> D+ D- and observation of B- --> D0D- and B- -->D0D*- decays. PHYSICAL REVIEW LETTERS 2005; 95:041803. [PMID: 16090797 DOI: 10.1103/physrevlett.95.041803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2005] [Indexed: 05/03/2023]
Abstract
We report evidence for B(0) --> D(0)D(-) and the first observation of the decay modes B(-) --> D(0)D(-) and B(-) --> D(0)D(*-) based on a sample of 152 x 10(6) BB events collected by the Belle detector at KEKB. The branching fractions for B(0) --> D(+) D(-), B--->D(0)D(-), and B--> D(0)D(*-) are found to be (1.91 +/- 0.51 +/- 0.30) x10(-4), (4.83 +/- 0.78 +/- 0.58) x 10(-4), and (4.57 +/- 0.71 +/- 0.56) x 10(-4), respectively. Charge asymmetries in the B---> D(0)D(-) and B(-) --> D(0)D(*-) channels are consistent with zero.
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Acosta D, Adelman J, Affolder T, Akimoto T, Albrow MG, Ambrose D, Amerio S, Amidei D, Anastassov A, Anikeev K, Annovi A, Antos J, Aoki M, Apollinari G, Arisawa T, Arguin JF, Artikov A, Ashmanskas W, Attal A, Azfar F, Azzi-Bacchetta P, Bacchetta N, Bachacou H, Badgett W, Barbaro-Galtieri A, Barker GJ, Barnes VE, Barnett BA, Baroiant S, Barone M, Bauer G, Bedeschi F, Behari S, Belforte S, Bellettini G, Bellinger J, Ben-Haim E, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bishai M, Blair RE, Blocker C, Bloom K, Blumenfeld B, Bocci A, Bodek A, Bolla G, Bolshov A, Booth PSL, Bortoletto D, Boudreau J, Bourov S, Brau B, Bromberg C, Brubaker E, Budagov J, Budd HS, Burkett K, Busetto G, Bussey P, Byrum KL, Cabrera S, Campanelli M, Campbell M, Canepa A, Casarsa M, Carlsmith D, Carron S, Carosi R, Cavalli-Sforza M, Castro A, Catastini P, Cauz D, Cerri A, Cerrito L, Chapman J, Chen C, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho I, Cho K, Chokheli D, Chou JP, Chu ML, Chuang S, Chung JY, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark AG, Clark D, Coca M, Connolly A, Convery M, Conway J, Cooper B, Cordelli M, Cortiana G, Cranshaw J, Cuevas J, Culbertson R, Currat C, Cyr D, Dagenhart D, Da Ronco S, D'Auria S, de Barbaro P, De Cecco S, De Lentdecker G, Dell'Agnello S, Dell'Orso M, Demers S, Demortier L, Deninno M, De Pedis D, Derwent PF, Dionisi C, Dittmann JR, Dörr C, Doksus P, Dominguez A, Donati S, Donega M, Donini J, D'Onofrio M, Dorigo T, Drollinger V, Ebina K, Eddy N, Ehlers J, Ely R, Erbacher R, Erdmann M, Errede D, Errede S, Eusebi R, Fang HC, Farrington S, Fedorko I, Fedorko WT, Feild RG, Feindt M, Fernandez JP, Ferretti C, Field RD, Flanagan G, Flaugher B, Flores-Castillo LR, Foland A, Forrester S, Foster GW, Franklin M, Freeman JC, Fujii Y, Furic I, Gajjar A, Gallas A, Galyardt J, Gallinaro M, Garcia-Sciveres M, Garfinkel AF, Gay C, Gerberich H, Gerdes DW, Gerchtein E, Giagu S, Giannetti P, Gibson A, Gibson K, Ginsburg C, Giolo K, Giordani M, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldschmidt N, Goldstein D, Goldstein J, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Gotra Y, Goulianos K, Gresele A, Griffiths M, Grosso-Pilcher C, Grundler U, Guenther M, Guimaraes da Costa J, Haber C, Hahn K, Hahn SR, Halkiadakis E, Hamilton A, Han BY, Handler R, Happacher F, Hara K, Hare M, Harr RF, Harris RM, Hartmann F, Hatakeyama K, Hauser J, Hays C, Hayward H, Heider E, Heinemann B, Heinrich J, Hennecke M, Herndon M, Hill C, Hirschhbuehl D, Hocker A, Hoffman KD, Holloway A, Hou S, Houlden MA, Huffman BT, Huang Y, Hughes RE, Huston J, Ikado K, Incandela J, Introzzi G, Iori M, Ishizawa Y, Issever C, Ivanov A, Iwata Y, Iyutin B, James E, Jang D, Jarrell J, Jeans D, Jensen H, Jeon EJ, Jones M, Joo KK, Jun SY, Junk T, Kamon T, Kang J, Karagoz Unel M, Karchin PE, Kartal S, Kato Y, Kemp Y, Kephart R, Kerzel U, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim JE, Kim MJ, Kim MS, Kim SB, Kim SH, Kim TH, Kim YK, King BT, Kirby M, Kirsch L, Klimenko S, Knuteson B, Ko BR, Kobayashi H, Koehn P, Kong DJ, Kondo K, Konigsberg J, Kordas K, Korn A, Korytov A, Kotelnikov K, Kotwal AV, Kovalev A, Kraus J, Kravchenko I, Kreymer A, Kroll J, Kruse M, Krutelyov V, Kuhlmann SE, Kwang S, Laasanen AT, Lai S, Lami S, Lammel S, Lancaster J, Lancaster M, Lander R, Lannon K, Lath A, Latino G, Lauhakangas R, Lazzizzera I, Le Y, Lecci C, LeCompte T, Lee J, Lee J, Lee SW, Lefèvre R, Leonardo N, Leone S, Levy S, Lewis JD, Li K, Lin C, Lin CS, Lindgren M, Liss TM, Lister A, Litvintsev DO, Liu T, Liu Y, Lockyer NS, Loginov A, Loreti M, Loverre P, Lu RS, Lucchesi D, Lujan P, Lukens P, Lungu G, Lyons L, Lys J, Lysak R, MacQueen D, Madrak R, Maeshima K, Maksimovic P, Malferrari L, Manca G, Marginean R, Marino C, Martin A, Martin M, Martin V, Martínez M, Maruyama T, Matsunaga H, Mattson M, Mazzanti P, McFarland KS, McGivern D, McIntyre PM, McNamara P, NcNulty R, Mehta A, Menzemer S, Menzione A, Merkel P, Mesropian C, Messina A, Miao T, Miladinovic N, Miller L, Miller R, Miller JS, Miquel R, Miscetti S, Mitselmakher G, Miyamoto A, Miyazaki Y, Moggi N, Mohr B, Moore R, Morello M, Movilla Fernandez PA, Mukherjee A, Mulhearn M, Muller T, Mumford R, Munar A, Murat P, Nachtman J, Nahn S, Nakamura I, Nakano I, Napier A, Napora R, Naumov D, Necula V, Niell F, Nielsen J, Nelson C, Nelson T, Neu C, Neubauer MS, Newman-Holmes C, Nigmanov T, Nodulman L, Norniella O, Oesterberg K, Ogawa T, Oh SH, Oh YD, Ohsugi T, Okusawa T, Oldeman R, Orava R, Orejudos W, Pagliarone C, Palencia E, Paoletti R, Papadimitriou V, Pashapour S, Patrick J, Pauletta G, Paulini M, Pauly T, Paus C, Pellett D, Penzo A, Phillips TJ, Piacentino G, Piedra J, Pitts KT, Plager C, Pompos A, Pondrom L, Pope G, Portell X, Poukhov O, Prakoshyn F, Pratt T, Pronko A, Proudfoot J, Ptohos F, Punzi G, Rademachker J, Rahaman MA, Rakitine A, Rappoccio S, Ratnikov F, Ray H, Reisert B, Rekovic V, Renton P, Rescigno M, Rimondi F, Rinnert K, Ristori L, Robertson WJ, Robson A, Rodrigo T, Rolli S, Rosenson L, Roser R, Rossin R, Rott C, Russ J, Rusu V, Ruiz A, Ryan D, Saarikko H, Sabik S, Safonov A, St Denis R, Sakumoto WK, Salamanna G, Saltzberg D, Sanchez C, Sansoni A, Santi L, Sarkar S, Sato K, Savard P, Savoy-Navarro A, Schlabach P, Schmidt EE, Schmidt MP, Schmitt M, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semeria F, Sexton-Kennedy L, Sfiligoi I, Shapiro MD, Shears T, Shepard PF, Sherman D, Shimojima M, Shochet M, Shon Y, Shreyber I, Sidoti A, Siegrist J, Siket M, Sill A, Sinervo P, Sisakyan A, Skiba A, Slaughter AJ, Sliwa K, Smirnov D, Smith JR, Snider FD, Snihur R, Soha A, Somalwar SV, Spalding J, Spezziga M, Spiegel L, Spinella F, Spiropulu M, Squillacioti P, Stadie H, Stelzer B, Stelzer-Chilton O, Strologas J, Stuart D, Sukhanov A, Sumorok K, Sun H, Suzuki T, Taffard A, Tafirout R, Takach SF, Takano H, Takashima R, Takeuchi Y, Takikawa K, Tanaka M, Tanaka R, Tanimoto N, Tapprogge S, Tecchio M, Teng PK, Terashi K, Tesarek RJ, Tether S, Thom J, Thompson AS, Thomson E, Tipton P, Tiwari V, Trkaczyk S, Toback D, Tollefson K, Tomura T, Tonelli D, Tönnesmann M, Torre S, Torretta D, Tourneur S, Trischuk W, Tseng J, Tsuchiya R, Tsuno S, Tsybychev D, Turini N, Turner M, Ukegawa F, Unverhau T, Uozumi S, Usynin D, Vacavant L, Vaiciulis A, Varganov A, Vataga E, Vejcik S, Velev G, Veszpremi V, Veramendi G, Vickey T, Vidal R, Vila I, Vilar R, Vollrath I, Volobouev I, von der Mey M, Wagner P, Wagner RG, Wagner RL, Wagner W, Wallny R, Walter T, Yamashita T, Yamamoto K, Wan Z, Wang MJ, Wang SM, Warburton A, Ward B, Waschke S, Waters D, Watts T, Weber M, Wester WC, Whitehouse B, Wicklund AB, Wicklund E, Williams HH, Wilson P, Winer BL, Wittich P, Wolbers S, Wolter M, Worcester M, Worm S, Wright T, Wu X, Würthwein F, Wyatt A, Yagil A, Yang C, Yang UK, Yao W, Yeh GP, Yi K, Yoh J, Yoon P, Yorita K, Yoshida T, Yu I, Yu S, Yu Z, Yun JC, Zanello L, Zanetti A, Zaw I, Zetti F, Zhou J, Zsenei A, Zucchelli S. Search for anomalous kinematics in tt dilepton events at CDF II. PHYSICAL REVIEW LETTERS 2005; 95:022001. [PMID: 16090673 DOI: 10.1103/physrevlett.95.022001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2004] [Indexed: 05/03/2023]
Abstract
We report on a search for anomalous kinematics of tt dilepton events in pp collisions at square root of s=1.96 TeV using 193 pb(-1) of data collected with the CDF II detector. We developed a new a priori technique designed to isolate the subset in a data sample revealing the largest deviation from standard model (SM) expectations and to quantify the significance of this departure. In the four-variable space considered, no particular subset shows a significant discrepancy, and we find that the probability of obtaining a data sample less consistent with the SM than what is observed is 1.0%-4.5%.
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Acosta D, Adelman J, Affolder T, Akimoto T, Albrow MG, Ambrose D, Amerio S, Amidei D, Anastassov A, Anikeev K, Annovi A, Antos J, Aoki M, Apollinari G, Arisawa T, Arguin JF, Artikov A, Ashmanskas W, Attal A, Azfar F, Azzi-Bacchetta P, Bacchetta N, Bachacou H, Badgett W, Barbaro-Galtieri A, Barker GJ, Barnes VE, Barnett BA, Baroiant S, Barone M, Bauer G, Bedeschi F, Behari S, Belforte S, Bellettini G, Bellinger J, Ben-Haim E, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bishai M, Blair RE, Blocker C, Bloom K, Blumenfeld B, Bocci A, Bodek A, Bolla G, Bolshov A, Booth PSL, Bortoletto D, Boudreau J, Bourov S, Brau B, Bromberg C, Brubaker E, Budagov J, Budd HS, Burkett K, Busetto G, Bussey P, Byrum KL, Cabrera S, Campanelli M, Campbell M, Canepa A, Casarsa M, Carlsmith D, Carron S, Carosi R, Cavalli-Sforza M, Castro A, Catastini P, Cauz D, Cerri A, Cerrito L, Chapman J, Chen C, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho I, Cho K, Chokheli D, Chou JP, Chu ML, Chuang S, Chung JY, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark AG, Clark D, Coca M, Connolly A, Convery M, Conway J, Cooper B, Cordelli M, Cortiana G, Cranshaw J, Cuevas J, Culbertson R, Currat C, Cyr D, Dagenhart D, Da Ronco S, D'Auria S, de Barbaro P, De Cecco S, De Lentdecker G, Dell'Agnello S, Dell'Orso M, Demers S, Demortier L, Deninno M, De Pedis D, Derwent PF, Dionisi C, Dittmann JR, Dörr C, Doksus P, Dominguez A, Donati S, Donega M, Donini J, D'Onofrio M, Dorigo T, Drollinger V, Ebina K, Eddy N, Ehlers J, Ely R, Erbacher R, Erdmann M, Errede D, Errede S, Eusebi R, Fang HC, Farrington S, Fedorko I, Fedorko WT, Feild RG, Feindt M, Fernandez JP, Ferretti C, Field RD, Flanagan G, Flaugher B, Flores-Castillo LR, Foland A, Forrester S, Foster GW, Franklin M, Freeman JC, Fujii Y, Furic I, Gajjar A, Gallas A, Galyardt J, Gallinaro M, Garcia-Sciveres M, Garfinkel AF, Gay C, Gerberich H, Gerdes DW, Gerchtein E, Giagu S, Giannetti P, Gibson A, Gibson K, Ginsburg C, Giolo K, Giordani M, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldschmidt N, Goldstein D, Goldstein J, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Gotra Y, Goulianos K, Gresele A, Griffiths M, Grosso-Pilcher C, Grundler U, Guenther M, Guimaraes da Costa J, Haber C, Hahn K, Hahn SR, Halkiadakis E, Hamilton A, Han BY, Handler R, Happacher F, Hara K, Hare M, Harr RF, Harris RM, Hartmann F, Hatakeyama K, Hauser J, Hays C, Hayward H, Heider E, Heinemann B, Heinrich J, Hennecke M, Herndon M, Hill C, Hirschbuehl D, Hocker A, Hoffman KD, Holloway A, Hou S, Houlden MA, Huffman BT, Huang Y, Hughes RE, Huston J, Ikado K, Incandela J, Introzzi G, Iori M, Ishizawa Y, Issever C, Ivanov A, Iwata Y, Iyutin B, James E, Jang D, Jarrell J, Jeans D, Jensen H, Jeon EJ, Jones M, Joo KK, Jun SY, Junk T, Kamon T, Kang J, Karagoz Unel M, Karchin PE, Kartal S, Kato Y, Kemp Y, Kephart R, Kerzel U, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim JE, Kim MJ, Kim MS, Kim SB, Kim SH, Kim TH, Kim YK, King BT, Kirby M, Kirsch L, Klimenko S, Knuteson B, Ko BR, Kobayashi H, Koehn P, Kong DJ, Kondo K, Konigsberg J, Kordas K, Korn A, Korytov A, Kotelnikov K, Kotwal AV, Kovalev A, Kraus J, Kravchenko I, Kreymer A, Kroll J, Kruse M, Krutelyov V, Kuhlmann SE, Kwang S, Laasanen AT, Lai S, Lami S, Lammel S, Lancaster J, Lancaster M, Lander R, Lannon K, Lath A, Latino G, Lauhakangas R, Lazzizzera I, Le Y, Lecci C, LeCompte T, Lee J, Lee J, Lee SW, Lefèvre R, Leonardo N, Leone S, Levy S, Lewis JD, Li K, Lin C, Lin CS, Lindgren M, Liss TM, Lister A, Litvintsev DO, Liu T, Liu Y, Lockyer NS, Loginov A, Loreti M, Loverre P, Lu RS, Lucchesi D, Lujan P, Lukens P, Lungu G, Lyons L, Lys J, Lysak R, MacQueen D, Madrak R, Maeshima K, Maksimovic P, Malferrari L, Manca G, Marginean R, Marino C, Martin A, Martin M, Martin V, Martínez M, Maruyama T, Matsunaga H, Mattson M, Mazzanti P, McFarland KS, McGivern D, McIntyre PM, McNamara P, NcNulty R, Mehta A, Menzemer S, Menzione A, Merkel P, Mesropian C, Messina A, Miao T, Miladinovic N, Miller L, Miller R, Miller JS, Miquel R, Miscetti S, Mitselmakher G, Miyamoto A, Miyazaki Y, Moggi N, Mohr B, Moore R, Morello M, Movilla Fernandez PA, Mukherjee A, Mulhearn M, Muller T, Mumford R, Munar A, Murat P, Nachtman J, Nahn S, Nakamura I, Nakano I, Napier A, Napora R, Naumov D, Necula V, Niell F, Nielsen J, Nelson C, Nelson T, Neu C, Neubauer MS, Newman-Holmes C, Nigmanov T, Nodulman L, Norniella O, Oesterberg K, Ogawa T, Oh SH, Oh YD, Ohsugi T, Okusawa T, Oldeman R, Orava R, Orejudos W, Pagliarone C, Palencia E, Paoletti R, Papadimitriou V, Pashapour S, Patrick J, Pauletta G, Paulini M, Pauly T, Paus C, Pellett D, Penzo A, Phillips TJ, Piacentino G, Piedra J, Pitts KT, Plager C, Pompos A, Pondrom L, Pope G, Portell X, Poukhov O, Prakoshyn F, Pratt T, Pronko A, Proudfoot J, Ptohos F, Punzi G, Rademacker J, Rahaman MA, Rakitine A, Rappoccio S, Ratnikov F, Ray H, Reisert B, Rekovic V, Renton P, Rescigno M, Rimondi F, Rinnert K, Ristori L, Robertson WJ, Robson A, Rodrigo T, Rolli S, Rosenson L, Roser R, Rossin R, Rott C, Russ J, Rusu V, Ruiz A, Ryan D, Saarikko H, Sabik S, Safonov A, Denis RS, Sakumoto WK, Salamanna G, Saltzberg D, Sanchez C, Sansoni A, Santi L, Sarkar S, Sato K, Savard P, Savoy-Navarro A, Schlabach P, Schmidt EE, Schmidt MP, Schmitt M, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semeria F, Sexton-Kennedy L, Sfiligoi I, Shapiro MD, Shears T, Shepard PF, Sherman D, Shimojima M, Shochet M, Shon Y, Shreyber I, Sidoti A, Siegrist J, Siket M, Sill A, Sinervo P, Sisakyan A, Skiba A, Slaughter AJ, Sliwa K, Smirnov D, Smith JR, Snider FD, Snihur R, Soha A, Somalwar SV, Spalding J, Spezziga M, Spiegel L, Spinella F, Spiropulu M, Squillacioti P, Stadie H, Stelzer B, Stelzer-Chilton O, Strologas J, Stuart D, Sukhanov A, Sumorok K, Sun H, Suzuki T, Taffard A, Tafirout R, Takach SF, Takano H, Takashima R, Takeuchi Y, Takikawa K, Tanaka M, Tanaka R, Tanimoto N, Tapprogge S, Tecchio M, Teng PK, Terashi K, Tesarek RJ, Tether S, Thom J, Thompson AS, Thomson E, Tipton P, Tiwari V, Tkaczyk S, Toback D, Tollefson K, Tomura T, Tonelli D, Tönnesmann M, Torre S, Torretta D, Tourneur S, Trischuk W, Tseng J, Tsuchiya R, Tsuno S, Tsybychev D, Turini N, Turner M, Ukegawa F, Unverhau T, Uozumi S, Usynin D, Vacavant L, Vaiciulis A, Varganov A, Vataga E, Vejcik S, Velev G, Veszpremi V, Veramendi G, Vickey T, Vidal R, Vila I, Vilar R, Vollrath I, Volobouev I, von der Mey M, Wagner P, Wagner RG, Wagner RL, Wagner W, Wallny R, Walter T, Yamashita T, Yamamoto K, Wan Z, Wang MJ, Wang SM, Warburton A, Ward B, Waschke S, Waters D, Watts T, Weber M, Wester WC, Whitehouse B, Wicklund AB, Wicklund E, Williams HH, Wilson P, Winer BL, Wittich P, Wolbers S, Wolter M, Worcester M, Worm S, Wright T, Wu X, Würthwein F, Wyatt A, Yagil A, Yang C, Yang UK, Yao W, Yeh GP, Yi K, Yoh J, Yoon P, Yorita K, Yoshida T, Yu I, Yu S, Yu Z, Yun JC, Zanello L, Zanetti A, Zaw I, Zetti F, Zhou J, Zsenei A, Zucchelli S. Measurement of the cross section for prompt diphoton production in pp collisions at square root of s=1.96 TeV. PHYSICAL REVIEW LETTERS 2005; 95:022003. [PMID: 16090675 DOI: 10.1103/physrevlett.95.022003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2004] [Indexed: 05/03/2023]
Abstract
We report a measurement of the rate of prompt diphoton production in pp collisions at square root of s=1.96 TeV using a data sample of 207 pb(-1) collected with the upgraded Collider Detector at Fermilab. The background from nonprompt sources is determined using a statistical method based on differences in the electromagnetic showers. The cross section is measured as a function of the diphoton mass, the transverse momentum of the diphoton system, and the azimuthal angle between the two photons and is found to be consistent with perturbative QCD predictions.
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Sakudo A, Lee DC, Nakamura I, Taniuchi Y, Saeki K, Matsumoto Y, Itohara S, Ikuta K, Onodera T. Cell-autonomous PrP–Doppel interaction regulates apoptosis in PrP gene-deficient neuronal cells. Biochem Biophys Res Commun 2005; 333:448-54. [PMID: 15950943 DOI: 10.1016/j.bbrc.2005.05.128] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2005] [Accepted: 05/19/2005] [Indexed: 11/22/2022]
Abstract
The Prnd-encoded prion protein (PrP)-like protein, Doppel (Dpl), is a homologue of Prnp-encoded PrP, and is N-glycosylated protein with glycosylphosphatidylinositol anchor like PrP. Recently, ectopic expressions of Prnp/Prnd chimeric mRNAs have been identified as the cause of late-onset ataxia observed in several lines of Prnp-knockout mice such as ZrchII, Ngsk, Rcm0, and Rikn mice. However, it remains unclear whether the toxic effect of Dpl expression is a cell-autonomous mechanism but rather reflect a systemic process of heterogeneous cell population in the brain. In this study, the cell-autonomous role of Dpl was estimated by investigating PrP-deficient cells (HpL3-4)-the SV40 large T-antigen immortalized and Rikn Prnp(-/-) mice-derived neuronal cell line expressing Prnp/Prnd chimeric mRNAs. The reverse transcription polymerase chain reaction revealed that serum deprivation did not increase Prnp/Prnd chimeric mRNAs, which in fact was translated into a small amount of Dpl in HpL3-4 cells, whereas serum deprivation induced apoptotic cell death of HpL3-4 cells. Dpl overexpression enhanced apoptotic cell death, whereas the toxic effect of Dpl on apoptotic cell death was neutralized by PrP expression. These results indicate that Dpl elicited dose-dependently toxic effects on PrP-deficient cells without affecting on PrP-expressing cells, suggesting that the PrP-Dpl interaction can regulate cell death in a cell-autonomous manner.
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Acosta D, Adelman J, Affolder T, Akimoto T, Albrow MG, Ambrose D, Amerio S, Amidei D, Anastassov A, Anikeev K, Annovi A, Antos J, Aoki M, Apollinari G, Arisawa T, Arguin JF, Artikov A, Ashmanskas W, Attal A, Azfar F, Azzi-Bacchetta P, Bacchetta N, Bachacou H, Badgett W, Barbaro-Galtieri A, Barker GJ, Barnes VE, Barnett BA, Baroiant S, Barone M, Bauer G, Bedeschi F, Behari S, Belforte S, Bellettini G, Bellinger J, Ben-Haim E, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bishai M, Blair RE, Blocker C, Bloom K, Blumenfeld B, Bocci A, Bodek A, Bolla G, Bolshov A, Booth PSL, Bortoletto D, Boudreau J, Bourov S, Brau B, Bromberg C, Brubaker E, Budagov J, Budd HS, Burkett K, Busetto G, Bussey P, Byrum KL, Cabrera S, Campanelli M, Campbell M, Canelli F, Canepa A, Casarsa M, Carlsmith D, Carron S, Carosi R, Cavalli-Sforza M, Castro A, Catastini P, Cauz D, Cerri A, Cerrito L, Chapman J, Chen C, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho I, Cho K, Chokheli D, Chou JP, Chu ML, Chuang S, Chung JY, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark AG, Clark D, Coca M, Connolly A, Convery M, Conway J, Cooper B, Cordelli M, Cortiana G, Cranshaw J, Cuevas J, Culbertson R, Currat C, Cyr D, Dagenhart D, Da Ronco S, D'Auria S, de Barbaro P, De Cecco S, De Lentdecker G, Dell'agnello S, Dell'orso M, Demers S, Demortier L, Deng J, Deninno M, De Pedis D, Derwent PF, Dionisi C, Dittmann JR, Dörr C, Doksus P, Dominguez A, Donati S, Donega M, Donini J, D'Onofrio M, Dorigo T, Drollinger V, Ebina K, Eddy N, Efron J, Ehlers J, Ely R, Erbacher R, Erdmann M, Errede D, Errede S, Eusebi R, Fang HC, Farrington S, Fedorko I, Fedorko WT, Feild RG, Feindt M, Fernandez JP, Ferretti C, Field RD, Flanagan G, Flaugher B, Flores-Castillo LR, Foland A, Forrester S, Foster GW, Franklin M, Freeman JC, Fujii Y, Furic I, Gajjar A, Gallas A, Galyardt J, Gallinaro M, Garcia-Sciveres M, Garfinkel AF, Gay C, Gerberich H, Gerdes DW, Gerchtein E, Giagu S, Giannetti P, Gibson A, Gibson K, Ginsburg C, Giolo K, Giordani M, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldschmidt N, Goldstein D, Goldstein J, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Gotra Y, Goulianos K, Gresele A, Griffiths M, Grosso-Pilcher C, Grundler U, Guenther M, Guimaraes da Costa J, Haber C, Hahn K, Hahn SR, Halkiadakis E, Hamilton A, Han BY, Handler R, Happacher F, Hara K, Hare M, Harr RF, Harris RM, Hartmann F, Hatakeyama K, Hauser J, Hays C, Hayward H, Heider E, Heinemann B, Heinrich J, Hennecke M, Herndon M, Hill C, Hirschbuehl D, Hocker A, Hoffman KD, Holloway A, Hou S, Houlden MA, Huffman BT, Huang Y, Hughes RE, Huston J, Ikado K, Incandela J, Introzzi G, Iori M, Ishizawa Y, Issever C, Ivanov A, Iwata Y, Iyutin B, James E, Jang D, Jarrell J, Jeans D, Jensen H, Jeon EJ, Jones M, Joo KK, Jun SY, Junk T, Kamon T, Kang J, Karagoz Unel M, Karchin PE, Kartal S, Kato Y, Kemp Y, Kephart R, Kerzel U, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim JE, Kim MJ, Kim MS, Kim SB, Kim SH, Kim TH, Kim YK, Kirby M, Kirsch L, Klimenko S, Knuteson B, Ko BR, Kobayashi H, Koehn P, Kong DJ, Kondo K, Konigsberg J, Kordas K, Korn A, Korytov A, Kotelnikov K, Kotwal AV, Kovalev A, Kraus J, Kravchenko I, Kreymer A, Kroll J, Kruse M, Krutelyov V, Kuhlmann SE, Kwang S, Laasanen AT, Lai S, Lami S, Lammel S, Lancaster J, Lancaster M, Lander R, Lannon K, Lath A, Latino G, Lauhakangas R, Lazzizzera I, Le Y, Lecci C, Lecompte T, Lee J, Lee J, Lee SW, Lefèvre R, Leonardo N, Leone S, Levy S, Lewis JD, Li K, Lin C, Lin CS, Lindgren M, Liss TM, Lister A, Litvintsev DO, Liu T, Liu Y, Lockyer NS, Loginov A, Loreti M, Loverre P, Lu RS, Lucchesi D, Lujan P, Lukens P, Lungu G, Lyons L, Lys J, Lysak R, Macqueen D, Madrak R, Maeshima K, Maksimovic P, Malferrari L, Manca G, Marginean R, Marino C, Martin A, Martin M, Martin V, Martínez M, Maruyama T, Matsunaga H, Mattson M, Mazzanti P, McFarland KS, McGivern D, McIntyre PM, McNamara P, McNulty R, Mehta A, Menzemer S, Menzione A, Merkel P, Mesropian C, Messina A, Miao T, Miladinovic N, Miller L, Miller R, Miller JS, Mills C, Miquel R, Miscetti S, Mitselmakher G, Miyamoto A, Miyazaki Y, Moggi N, Mohr B, Moore R, Morello M, Movilla Fernandez PA, Mukherjee A, Mulhearn M, Muller T, Mumford R, Munar A, Murat P, Nachtman J, Nahn S, Nakamura I, Nakano I, Napier A, Napora R, Naumov D, Necula V, Niell F, Nielsen J, Nelson C, Nelson T, Neu C, Neubauer MS, Newman-Holmes C, Nigmanov T, Nodulman L, Norniella O, Oesterberg K, Ogawa T, Oh SH, Oh YD, Ohsugi T, Okusawa T, Oldeman R, Orava R, Orejudos W, Pagliarone C, Palencia E, Paoletti R, Papadimitriou V, Pashapour S, Patrick J, Pauletta G, Paulini M, Pauly T, Paus C, Pellett D, Penzo A, Phillips TJ, Piacentino G, Piedra J, Pitts KT, Plager C, Pompos A, Pondrom L, Pope G, Portell X, Poukhov O, Prakoshyn F, Pratt T, Pronko A, Proudfoot J, Ptohos F, Punzi G, Rademacker J, Rahaman MA, Rakitine A, Rappoccio S, Ratnikov F, Ray H, Reisert B, Rekovic V, Renton P, Rescigno M, Rimondi F, Rinnert K, Ristori L, Robertson WJ, Robson A, Rodrigo T, Rolli S, Rosenson L, Roser R, Rossin R, Rott C, Russ J, Rusu V, Ruiz A, Ryan D, Saarikko H, Sabik S, Safonov A, St Denis R, Sakumoto WK, Salamanna G, Saltzberg D, Sanchez C, Sansoni A, Santi L, Sarkar S, Sato K, Savard P, Savoy-Navarro A, Schlabach P, Schmidt EE, Schmidt MP, Schmitt M, Scodellaro L, Scott AL, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semeria F, Sexton-Kennedy L, Sfiligoi I, Shapiro MD, Shears T, Shepard PF, Sherman D, Shimojima M, Shochet M, Shon Y, Shreyber I, Sidoti A, Siegrist J, Siket M, Sill A, Sinervo P, Sisakyan A, Skiba A, Slaughter AJ, Sliwa K, Smirnov D, Smith JR, Snider FD, Snihur R, Soha A, Somalwar SV, Spalding J, Spezziga M, Spiegel L, Spinella F, Spiropulu M, Squillacioti P, Stadie H, Stelzer B, Stelzer-Chilton O, Strologas J, Stuart D, Sukhanov A, Sumorok K, Sun H, Suzuki T, Taffard A, Tafirout R, Takach SF, Takano H, Takashima R, Takeuchi Y, Takikawa K, Tanaka M, Tanaka R, Tanimoto N, Tapprogge S, Tecchio M, Teng PK, Terashi K, Tesarek RJ, Tether S, Thom J, Thompson AS, Thomson E, Tipton P, Tiwari V, Tkaczyk S, Toback D, Tollefson K, Tomura T, Tonelli D, Tönnesmann M, Torre S, Torretta D, Tourneur S, Trischuk W, Tseng J, Tsuchiya R, Tsuno S, Tsybychev D, Turini N, Turner M, Ukegawa F, Unverhau T, Uozumi S, Usynin D, Vacavant L, Vaiciulis A, Varganov A, Vataga E, Vejcik S, Velev G, Veszpremi V, Veramendi G, Vickey T, Vidal R, Vila I, Vilar R, Vollrath I, Volobouev I, von der Mey M, Wagner P, Wagner RG, Wagner RL, Wagner W, Wallny R, Walter T, Yamashita T, Yamamoto K, Wan Z, Wang MJ, Wang SM, Warburton A, Ward B, Waschke S, Waters D, Watts T, Weber M, Wester WC, Whitehouse B, Wicklund AB, Wicklund E, Williams HH, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe C, Wolter M, Worcester M, Worm S, Wright T, Wu X, Würthwein F, Wyatt A, Yagil A, Yang C, Yang UK, Yao W, Yeh GP, Yi K, Yoh J, Yoon P, Yorita K, Yoshida T, Yu I, Yu S, Yu Z, Yun JC, Zanello L, Zanetti A, Zaw I, Zetti F, Zhou J, Zsenei A, Zucchelli S. Measurement of the W(+)W(-) production cross section in pp collisions at square root[s]=1.96 TeV using dilepton events. PHYSICAL REVIEW LETTERS 2005; 94:211801. [PMID: 16090309 DOI: 10.1103/physrevlett.94.211801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2005] [Indexed: 05/03/2023]
Abstract
We present a measurement of the W(+)W(-) production cross section using 184 pb(-1) of p(p) collisions at a center-of-mass energy of 1.96 TeV collected with the Collider Detector at Fermilab. Using the dilepton decay channel W(+)W(-)-->l(+)nul(-), where the charged leptons can be either electrons or muons, we find 17 candidate events compared to an expected background of 5.0(+2.2)(-0.8) events. The resulting W(+)W(-) production cross-section measurement of sigma(pp-->W(+)W(-))=14.6(+5.8)(-5.1)(stat)(+1.8)(-3.0)(syst) +/- 0.9(lum) pb agrees well with the standard model expectation.
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