Observation of Bs0 → J/ψK*(892)0 and Bs0 → J/ψ KS0 decays

被引:15
作者
Aaltonen, T. [22 ,23 ]
Alvarez Gonzalez, B. [9 ]
Amerio, S. [51 ]
Amidei, D. [42 ]
Anastassov, A. [46 ]
Annovi, A. [18 ]
Antos, J. [12 ,13 ]
Apollinari, G. [16 ]
Appel, J. A. [16 ]
Apresyan, A. [57 ]
Arisawa, T. [68 ]
Artikov, A. [14 ]
Asaadi, J. [62 ]
Ashmanskas, W. [16 ]
Auerbach, B.
Aurisano, A. [62 ]
Azfar, F. [50 ]
Badgett, W. [16 ]
Barbaro-Galtieri, A. [33 ]
Barnes, V. E. [57 ]
Barnett, B. A. [25 ]
Barria, P. [54 ,55 ]
Bartos, P. [12 ,13 ]
Bauce, M. [51 ]
Bauer, G. [37 ]
Bedeschi, F. [54 ,55 ]
Beecher, D. [35 ]
Behari, S. [25 ]
Bellettini, G. [54 ,55 ]
Bellinger, J.
Benjamin, D. [15 ]
Beretvas, A. [16 ]
Bhatti, A. [59 ]
Binkley, M. [16 ]
Bisello, D. [51 ]
Bizjak, I. [35 ]
Bland, K. R.
Blumenfeld, B. [25 ]
Bocci, A. [15 ]
Bodek, A. [58 ]
Bortoletto, D. [57 ]
Boudreau, J. [56 ]
Boveia, A. [11 ]
Brau, B. [16 ]
Brigliadori, L. [6 ]
Brisuda, A. [12 ,13 ]
Bromberg, C. [43 ]
Brucken, E. [22 ,23 ]
Bucciantonio, M. [54 ,55 ]
Budagov, J. [14 ]
机构
[1] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[2] Argonne Natl Lab, Argonne, IL 60439 USA
[3] Univ Athens, GR-15771 Athens, Greece
[4] Univ Autonoma Barcelona, ICREA, Inst Fis Altes Energies, E-08193 Barcelona, Spain
[5] Baylor Univ, Waco, TX 76798 USA
[6] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[7] Univ Calif Davis, Davis, CA 95616 USA
[8] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[9] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain
[10] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[11] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[12] Comenius Univ, Bratislava 84248, Slovakia
[13] Inst Expt Phys, Kosice 04001, Slovakia
[14] Joint Inst Nucl Res, RU-141980 Dubna, Russia
[15] Duke Univ, Durham, NC 27708 USA
[16] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[17] Univ Florida, Gainesville, FL 32611 USA
[18] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[19] Univ Geneva, CH-1211 Geneva 4, Switzerland
[20] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland
[21] Harvard Univ, Cambridge, MA 02138 USA
[22] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland
[23] Helsinki Inst Phys, FIN-00014 Helsinki, Finland
[24] Univ Illinois, Urbana, IL 61801 USA
[25] Johns Hopkins Univ, Baltimore, MD 21218 USA
[26] Univ Karlsruhe, Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany
[27] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea
[28] Seoul Natl Univ, Seoul 151742, South Korea
[29] Sungkyunkwan Univ, Suwon 440746, South Korea
[30] Korea Inst Sci & Technol Informat, Taejon 305806, South Korea
[31] Chonnam Natl Univ, Kwangju 500757, South Korea
[32] Chonbuk Natl Univ, Jeonju 561756, South Korea
[33] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[34] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England
[35] UCL, London WC1E 6BT, England
[36] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain
[37] MIT, Cambridge, MA 02139 USA
[38] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[39] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada
[40] Univ Toronto, Toronto, ON M5S 1A7, Canada
[41] TRIUMF, Vancouver, BC V6T 2A3, Canada
[42] Univ Michigan, Ann Arbor, MI 48109 USA
[43] Michigan State Univ, E Lansing, MI 48824 USA
[44] Inst Theoret & Expt Phys, Moscow 117259, Russia
[45] Univ New Mexico, Albuquerque, NM 87131 USA
[46] Northwestern Univ, Evanston, IL 60208 USA
[47] Ohio State Univ, Columbus, OH 43210 USA
[48] Okayama Univ, Okayama 7008530, Japan
[49] Osaka City Univ, Osaka 588, Japan
[50] Univ Oxford, Oxford OX1 3RH, England
来源
PHYSICAL REVIEW D | 2011年 / 83卷 / 05期
基金
美国国家科学基金会; 英国科学技术设施理事会; 俄罗斯基础研究基金会; 瑞士国家科学基金会; 新加坡国家研究基金会; 芬兰科学院; 加拿大自然科学与工程研究理事会;
关键词
D O I
10.1103/PhysRevD.83.052012
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report the first observation of two Cabibbo-suppressed decay modes of the B-s(0) meson. Using a sample of p (p) over bar collisions at root s = 1.96 TeV corresponding to 5: 9 fb(-1) of integrated luminosity collected with the CDF II, the collider detector at the Fermilab Tevatron, we search for new B-s(0) decay modes in a sample of events containing J/psi -> mu(+)mu(-) decays. We reconstruct a B-s(0) -> J/psi K*(892)(0) 0 signal with K*(892)(0) -> K+ pi(-), observing a yield of 151 +/- 25 events with a statistical significance of 8.0 sigma. We also reconstruct a B-s(0) -> J/psi K-s(0) signal with K-s(0) -> pi(+)pi(-) , observing a yield of 64 +/- 14 events with a statistical significance of 7.2 sigma. From these yields, we extract the branching ratios B(B-s(0) -> J/psi K* (892)(0) = (8.3 +/- 3.8) X 10(-5) and B(B-s(0) -> J/psi K-0) = (3.5 +/- 0.8) X 10(-5), where statistical, systematic, and fragmentation-fraction uncertainties are included in the combined uncertainty.
引用
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页数:11
相关论文
共 25 条
[1]   Measurement of ratios of fragmentation fractions for bottom hadrons in p(p)over-bar collisions at √s=1.96 TeV [J].
Aaltonen, T. ;
Adelman, J. ;
Akimoto, T. ;
Albrow, M. G. ;
Gonzalez, B. Alvarez ;
Amerio, S. ;
Amidei, D. ;
Anastassov, A. ;
Annovi, A. ;
Antos, J. ;
Aoki, M. ;
Apollinari, G. ;
Apresyan, A. ;
Arisawa, T. ;
Artikov, A. ;
Ashmanskas, W. ;
Attal, A. ;
Aurisano, A. ;
Azfar, F. ;
Azzi-Bacchetta, P. ;
Azzurri, P. ;
Bacchetta, N. ;
Badgett, W. ;
Barbaro-Galtieri, A. ;
Barnes, V. E. ;
Barnett, B. A. ;
Baroiant, S. ;
Bartsch, V. ;
Bauer, G. ;
Beauchemin, P. -H. ;
Bedeschi, F. ;
Bednar, P. ;
Behari, S. ;
Bellettini, G. ;
Bellinger, J. ;
Belloni, A. ;
Benjamin, D. ;
Beretvas, A. ;
Beringer, J. ;
Berry, T. ;
Bhatti, A. ;
Binkley, M. ;
Bisello, D. ;
Bizjak, I. ;
Blair, R. E. ;
Blocker, C. ;
Blumenfeld, B. ;
Bocci, A. ;
Bodek, A. ;
Boisvert, V. .
PHYSICAL REVIEW D, 2008, 77 (07)
[2]   Observation of Bs0Bs0 oscillations [J].
Abulencia, A. ;
Adelman, J. ;
Affolder, T. ;
Akimoto, T. ;
Albrow, M. G. ;
Ambrose, D. ;
Amerio, S. ;
Amidei, D. ;
Anastassov, A. ;
Anikeev, K. ;
Annovi, A. ;
Antos, J. ;
Aoki, M. ;
Apollinari, G. ;
Arguin, J. -F. ;
Arisawa, T. ;
Artikov, A. ;
Ashmanskas, W. ;
Attal, A. ;
Azfar, F. ;
Azzi-Bacchetta, P. ;
Azzurri, P. ;
Bacchetta, N. ;
Badgett, W. ;
Barbaro-Galtieri, A. ;
Barnes, V. E. ;
Barnett, B. A. ;
Baroiant, S. ;
Bartsch, V. ;
Bauer, G. ;
Bedeschi, F. ;
Behari, S. ;
Belforte, S. ;
Bellettini, G. ;
Bellinger, J. ;
Belloni, A. ;
Benjamin, D. ;
Beretvas, A. ;
Beringer, J. ;
Berry, T. ;
Bhatti, A. ;
Binkley, M. ;
Bisello, D. ;
Blair, R. E. ;
Blocker, C. ;
Blumenfeld, B. ;
Bocci, A. ;
Bodek, A. ;
Boisvert, V. ;
Bolla, G. .
PHYSICAL REVIEW LETTERS, 2006, 97 (24)
[3]   Measurement of the Bs0-(B)over-bars0 oscillation frequency [J].
Abulencia, A. ;
Acosta, D. ;
Adelman, J. ;
Affolder, T. ;
Akimoto, T. ;
Albrow, M. G. ;
Ambrose, D. ;
Amerio, S. ;
Amidei, D. ;
Anastassov, A. ;
Anikeev, K. ;
Annovi, A. ;
Antos, J. ;
Aoki, M. ;
Apollinari, G. ;
Arguin, J. -F. ;
Arisawa, T. ;
Artikov, A. ;
Ashmanskas, W. ;
Attal, A. ;
Azfar, F. ;
Azzi-Bacchetta, P. ;
Azzurri, P. ;
Bacchetta, N. ;
Bachacou, H. ;
Badgett, W. ;
Barbaro-Galtieri, A. ;
Barnes, V. E. ;
Barnett, B. A. ;
Baroiant, S. ;
Bartsch, V. ;
Bauer, G. ;
Bedeschi, F. ;
Behari, S. ;
Belforte, S. ;
Bellettini, G. ;
Bellinger, J. ;
Belloni, A. ;
Ben Haim, E. ;
Benjamin, D. ;
Beretvas, A. ;
Beringer, J. ;
Berry, T. ;
Bhatti, A. ;
Binkley, M. ;
Bisello, D. ;
Blair, R. E. ;
Blocker, C. ;
Blumenfeld, B. ;
Bocci, A. .
PHYSICAL REVIEW LETTERS, 2006, 97 (06)
[4]   Measurement of bottom-quark hadron masses in exclusive J/ψ decays with the CDF detector [J].
Acosta, D. ;
Adelman, J. ;
Affolder, T. ;
Akimoto, T. ;
Albrow, M. G. ;
Ambrose, D. ;
Amerio, S. ;
Amidei, D. ;
Anastassov, A. ;
Anikeev, K. ;
Annovi, A. ;
Antos, J. ;
Aoki, M. ;
Apollinari, G. ;
Arisawa, T. ;
Arguin, F. ;
Artikov, A. ;
Ashmanskas, W. ;
Attal, A. ;
Azfar, F. ;
Azzi-Bacchetta, P. ;
Bacchetta, N. ;
Bachocou, H. ;
Badgett, W. ;
Barbaro-Galtieri, A. ;
Barker, G. J. ;
Barnes, V. E. ;
Barnett, B. A. ;
Baroiant, S. ;
Bauer, G. ;
Bedeschi, F. ;
Behari, S. ;
Belforte, S. ;
Bellettini, G. ;
Bellinger, J. ;
Belloni, A. ;
Ben-Haim, E. ;
Benjamin, D. ;
Beretvas, A. ;
Berry, T. ;
Bhatti, A. ;
Binkley, M. ;
Bisello, D. ;
Bishai, M. ;
Blair, R. E. ;
Blocker, C. ;
Bloom, K. ;
Blumenfeld, B. ;
Bocci, A. ;
Bodek, A. .
PHYSICAL REVIEW LETTERS, 2006, 96 (20)
[5]   Measurement of the J/ψ meson and b-hadron production cross sections in p(p)over-bar collisions at √s=1960 GeV -: art. no. 032001 [J].
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 .
PHYSICAL REVIEW D, 2005, 71 (03) :032001-1
[6]   Intermediate silicon layers detector for the CDF experiment [J].
Affolder, A ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Barker, G ;
Barbaro-Galtieri, A ;
Basti, A ;
Bedeschi, F ;
Bisello, D ;
Blusk, S ;
Caskey, WP ;
Chiarelli, G ;
Connolly, A ;
Demina, R ;
Ely, R ;
Field, R ;
Garcia-Sciveres, M ;
Giolo, K ;
Goldstein, D ;
Goldstein, J ;
Grim, GP ;
Guerzoni, M ;
Haas, R ;
Haber, C ;
Hara, K ;
Hartmann, F ;
Heiss, A ;
Hill, C ;
Hrycyk, M ;
Incandela, J ;
Kato, Y ;
Knoblauch, D ;
Kruse, M ;
Lander, RL ;
Lei, CM ;
Leonardi, GL ;
Leone, S ;
Miyazaki, Y ;
Moggi, A ;
Muller, T ;
Munar-Ara, A ;
Okusawa, T ;
Palmonari, F ;
Paulini, M ;
Piacentino, G ;
Pellett, DE ;
Raffaelli, F ;
Roederer, F ;
Saltzberg, D ;
Shimojima, M ;
Stuart, D .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2000, 453 (1-2) :84-88
[7]   CDF central outer tracker [J].
Affolder, T ;
Allspach, D ;
Ambrose, D ;
Bialek, J ;
Bokhari, W ;
Brozovic, M ;
Binkley, M ;
Burkett, K ;
Byon-Wagner, A ;
Cogswell, F ;
Dressnandt, N ;
Feng, Z ;
Franklin, M ;
Galtieri, L ;
Gerdes, DW ;
Greenwood, J ;
Guarino, V ;
da Costa, JG ;
Haggerty, R ;
Hall, C ;
Heinrich, J ;
Holloway, A ;
Jacobi, T ;
Kephart, K ;
Khazins, D ;
Kim, YK ;
Kirby, M ;
Kononenko, W ;
Kotwal, AV ;
Kraus, J ;
Liss, TM ;
Lockyer, N ;
Madrak, R ;
Miao, T ;
Mukherjee, A ;
Neu, C ;
Newcomer, M ;
Niczyporuk, JM ;
Nodulman, L ;
Orejudous, W ;
Phillips, TJ ;
Pitts, KT ;
Reigler, W ;
Richards, R ;
Rivetta, C ;
Robertson, WJ ;
Roser, R ;
Sadler, L ;
Sandberg, R ;
Sansone, S .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2004, 526 (03) :249-299
[8]   SEARCH FOR HADRONIC B-]U DECAYS [J].
ALBRECHT, H ;
GLASER, R ;
HARDER, G ;
KRUGER, A ;
NILSSON, AW ;
NIPPE, A ;
OEST, T ;
REIDENBACH, M ;
SCHAFER, M ;
SCHMIDTPARZEFALL, W ;
SCHRODER, H ;
SCHULZ, HD ;
SEFKOW, F ;
WURTH, R ;
APPUHN, RD ;
DRESCHER, A ;
HAST, C ;
HERRERA, G ;
KOLANOSKI, H ;
LANGE, A ;
LINDNER, A ;
MANKEL, R ;
SCHECK, H ;
SCHWEDA, G ;
SPAAN, B ;
WALTHER, A ;
WEGENER, D ;
PAULINI, M ;
REIM, K ;
VOLLAND, U ;
WEGENER, H ;
FUNK, W ;
STIEWE, J ;
WERNER, S ;
BALL, S ;
GABRIEL, JC ;
GEYER, C ;
HOLSCHER, A ;
HOFMANN, W ;
HOLZER, B ;
KHAN, S ;
SPENGLER, J ;
CHARLESWORTH, CEK ;
EDWARDS, KW ;
FRISKEN, WR ;
KAPITZA, H ;
KRIEGER, P ;
KUTSCHKE, R ;
MACFARLANE, DB ;
MCLEAN, KW .
PHYSICS LETTERS B, 1990, 241 (02) :278-282
[9]   CDF CENTRAL MUON DETECTOR [J].
ASCOLI, G ;
HOLLOWAY, LE ;
KARLINER, I ;
KRUSE, UE ;
SARD, RD ;
SIMAITIS, VJ ;
SMITH, DA ;
WESTHUSING, TK .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1988, 268 (01) :33-40
[10]  
BRUN R, 1993, CERNDD782REV