Search for Bs0→μ+μ- and Bs0→μ+μ- decays in p(p)over-bar collisions with CDF II -: art. no. 221805

被引:29
|
作者
Abulencia, A [1 ]
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
Arguin, JF
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, VE
Barnett, BA
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
Bishai, M
Blair, RE
Blocker, C
Bloom, K
机构
[1] Univ Illinois, Urbana, IL 61801 USA
[2] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[3] Argonne Natl Lab, Argonne, IL 60439 USA
[4] Univ Autonoma Barcelona, Inst Fis Energies, E-08193 Bellaterra, Barcelona, Spain
[5] Baylor Univ, Waco, TX 76798 USA
[6] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[7] Brandeis Univ, Waltham, MA 02254 USA
[8] Univ Calif Davis, Davis, CA 95616 USA
[9] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[10] Univ Calif San Diego, La Jolla, CA 92093 USA
[11] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
[12] Univ Cantabria, Inst Fis Cantabria, CSIC, E-39005 Santander, Spain
[13] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[14] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[15] Joint Inst Nucl Res, RU-141980 Dubna, Russia
[16] Duke Univ, Durham, NC 27708 USA
[17] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[18] Univ Florida, Gainesville, FL 32611 USA
[19] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[20] Univ Geneva, CH-1211 Geneva, Switzerland
[21] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland
[22] Harvard Univ, Cambridge, MA 02138 USA
[23] Univ Helsinki, Div High Energy Phys, Dept Phys, FIN-00014 Helsinki, Finland
[24] Helsinki Inst Phys, FIN-00014 Helsinki, Finland
[25] Univ Illinois, Urbana, IL 61801 USA
[26] Johns Hopkins Univ, Baltimore, MD 21218 USA
[27] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany
[28] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 305, Japan
[29] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea
[30] Seoul Natl Univ, Seoul 151742, South Korea
[31] Sungkyunkwan Univ, Suwon 440746, South Korea
[32] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[33] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England
[34] UCL, London WC1E 6BT, England
[35] MIT, Cambridge, MA 02139 USA
[36] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[37] Univ Toronto, Toronto, ON M5S 1A7, Canada
[38] Univ Michigan, Ann Arbor, MI 48109 USA
[39] Michigan State Univ, E Lansing, MI 48824 USA
[40] Inst Theoret & Expt Phys, Moscow 117259, Russia
[41] Univ New Mexico, Albuquerque, NM 87131 USA
[42] Northwestern Univ, Evanston, IL 60208 USA
[43] Ohio State Univ, Columbus, OH 43210 USA
[44] Okayama Univ, Okayama 7008530, Japan
[45] Osaka City Univ, Osaka 588, Japan
[46] Univ Oxford, Oxford OX1 3RH, England
[47] Univ Padua, Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy
[48] Univ Penn, Philadelphia, PA 19104 USA
[49] Univ Pisa, Ist Nazl Fis Nucl, Siena & Scuola Normal Super, I-56127 Pisa, Italy
[50] Univ Pittsburgh, Pittsburgh, PA 15260 USA
关键词
D O I
10.1103/PhysRevLett.95.221805
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report on a search for B-s(0)->mu(+)mu(-) and B-d(0)->mu(+)mu(-) decays in p (p) over bar collisions at root s=1.96 TeV using 364 pb(-1) of data collected by the CDF II detector at the Fermilab Tevatron Collider. After applying all selection requirements, we observe no candidates inside the B-s(0) or B-d(0) mass windows. The resulting upper limits on the branching fractions are B(B-s(0)->mu(+)mu(-))< 1.5x10(-7) and B(B-d(0)->mu(+)mu(-))< 3.9x10(-8) at 90% confidence level.
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页数:7
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