Search for excited and exotic muons in the μγ decay channel in p(p)over-bar collisions √s=1.96 TeV

被引：13
|
作者：
Abulencia, A. [1 ]
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.
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 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] 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, CSIC, Inst Fis Cantabria, 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 4, Switzerland
[21] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland
[22] Harvard Univ, Cambridge, MA 02138 USA
[23] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland
[24] Helsinki Inst Phys, FIN-00014 Helsinki, Finland
[25] Johns Hopkins Univ, Baltimore, MD 21218 USA
[26] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany
[27] High Energy Accelerator Res Org, KEK, Oho, Ibaraki 305, Japan
[28] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea
[29] Seoul Natl Univ, Seoul 151742, South Korea
[30] Sungkyunkwan Univ, Suwon 440746, South Korea
[31] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[32] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England
[33] UCL, London WC1E 6BT, England
[34] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain
[35] MIT, Cambridge, MA 02139 USA
[36] McGill Univ, Montreal, PQ H3A 2T8, Canada
[37] Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[38] Univ Toronto, Toronto, ON M5S 1A7, Canada
[39] Univ Michigan, Ann Arbor, MI 48109 USA
[40] Michigan State Univ, E Lansing, MI 48824 USA
[41] Inst Theoret & Expt Phys, Moscow 117259, Russia
[42] Univ New Mexico, Albuquerque, NM 87131 USA
[43] Northwestern Univ, Evanston, IL 60208 USA
[44] Ohio State Univ, Columbus, OH 43210 USA
[45] Okayama Univ, Okayama 7008530, Japan
[46] Osaka City Univ, Osaka 588, Japan
[47] Univ Oxford, Oxford OX1 3RH, England
[48] Univ Padua, Ist Nazl Fis Nucl, Sez Padua Trento, I-35131 Padua, Italy
[49] Univ Paris 06, LPNHE, IN2P3, CNRS,UMR 7585, F-75252 Paris, France
[50] Univ Penn, Philadelphia, PA 19104 USA
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 19期
基金：
英国科学技术设施理事会;
关键词：
D O I：
10.1103/PhysRevLett.97.191802
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We search for excited and exotic muon states mu(*) using an integrated luminosity of 371 pb(-1) of p (p) over bar collision data at root s=1.96 TeV. We search for associated production of mu mu(*) followed by the decay mu(*)->mu gamma. We compare the data to model predictions as a function of the mass of the excited muon M-mu(*), the compositeness energy scale Lambda, and the gauge coupling factor f. No signal above the standard model expectation is observed. We exclude 107 < M-mu(*)< 853 GeV/c(2) for Lambda=M-mu(*) in the contact interaction model, and 100 < M-mu(*)< 410 GeV/c(2) for f/Lambda=10(-2) GeV-1 in the gauge-mediated model, both at the 95% confidence level.
引用
收藏
页数：7
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