Search for Bs0→μ+μ- and Bd0→μ+μ- decays in p(p)over-bar collisions at √s=1.96 TeV -: art. no. 032001

被引：14

作者：

Acousta, D ^{[1
]}

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

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

机构：

[1] Univ Florida, Gainesville, FL 32611 USA

[2] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[3] Argonne Natl Lab, Argonne, IL 60439 USA

[4] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy

[5] Brandeis Univ, Waltham, MA 02254 USA

[6] Univ Calif Davis, Davis, CA 95616 USA

[7] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[8] Univ Calif San Diego, La Jolla, CA 92093 USA

[9] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

[10] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

[11] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[12] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[13] Joint Inst Nucl Res, RU-141980 Dubna, Russia

[14] Duke Univ, Durham, NC 27708 USA

[15] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[16] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[17] Univ Geneva, CH-1211 Geneva 4, Switzerland

[18] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[19] Harvard Univ, Cambridge, MA 02138 USA

[20] Helsinki Inst Phys, Helsinki Grp, FIN-00044 Helsinki, Finland

[21] Univ Helsinki, Dept Phys Sci, Div High Energy Phys, FIN-00044 Helsinki, Finland

[22] Hiroshima Univ, Higashihiroshima 724, Japan

[23] Univ Illinois, Urbana, IL 61801 USA

[24] Johns Hopkins Univ, Baltimore, MD 21218 USA

[25] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany

[26] High Energy Accelerator Res Org, Tsukuba, Ibaraki 305, Japan

[27] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 7020701, South Korea

[28] Seoul Natl Univ, Seoul 151742, South Korea

[29] Sungkyunkwan Univ, Suwon 440746, South Korea

[30] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[31] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England

[32] UCL, London WC1E 6BT, England

[33] MIT, Cambridge, MA 02139 USA

[34] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada

[35] Univ Toronto, Toronto, ON M5S 1A7, Canada

[36] Univ Michigan, Ann Arbor, MI 48109 USA

[37] Michigan State Univ, E Lansing, MI 48824 USA

[38] Inst Theoret & Expt Phys, Moscow 117259, Russia

[39] Univ New Mexico, Albuquerque, NM 87131 USA

[40] Northwestern Univ, Evanston, IL 60208 USA

[41] Ohio State Univ, Columbus, OH 43210 USA

[42] Okayama Univ, Okayama 7008530, Japan

[43] Osaka City Univ, Osaka 588, Japan

[44] Univ Oxford, Oxford OX1 3RH, England

[45] Univ Padua, Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy

[46] Univ Penn, Philadelphia, PA 19104 USA

[47] Univ Pisa, Ist Nazl Fis Nucl, I-56100 Pisa, Italy

[48] Scuola Normale Super Pisa, I-56100 Pisa, Italy

[49] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[50] Purdue Univ, W Lafayette, IN 47907 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 03期

基金：

加拿大自然科学与工程研究理事会; 新加坡国家研究基金会; 美国国家科学基金会; 俄罗斯基础研究基金会;

关键词：

D O I：

10.1103/PhysRevLett.93.032001

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 roots=1.96 TeV using 171 pb(-1) of data collected by the CDF II experiment at the Fermilab Tevatron Collider. The decay rates of these rare processes are sensitive to contributions from physics beyond the standard model. One event survives all our selection requirements, consistent with the background expectation. We derive branching ratio limits of B(B-s(0)-->mu(+)mu(-))<5.8x10(-7) and B(B-d(0)-->mu(+)mu(-))<1.5x10(-7) at 90% confidence level.

引用

页码：032001 / 1

页数：7

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