Search for new physics in photon-lepton events in p(p)over-bar collisions at √s=1.8 TeV -: art. no. 041802

被引:15
|
作者
Acosta, D [1 ]
Affolder, T
Akimoto, H
Albrow, MG
Ambrose, D
Amidei, D
Anikeev, K
Antos, J
Apollinari, G
Arisawa, T
Artikov, A
Asakawa, T
Ashmanskas, W
Azfar, F
Azzi-Bacchetta, P
Bacchetta, N
Bachacou, H
Badgett, W
Bailey, S
de Barbaro, P
Barbaro-Galtieri, A
Barnes, VE
Barnett, BA
Baroiant, S
Barone, M
Bauer, G
Bedeschi, F
Belforte, S
Bell, WH
Bellettini, G
Bellinger, J
Benjamin, D
Bensinger, J
Beretvas, A
Berge, JP
Berryhill, J
Bhatti, A
Binkley, M
Bishai, M
Bisello, D
Blair, RE
Blocker, C
Bloom, K
Blumenfeld, B
Blusk, SR
Bocci, A
Bodek, A
Bolla, G
Bonushkin, Y
Bortoletto, D
机构
[1] Univ Florida, Gainesville, FL 32611 USA
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[3] Waseda Univ, Tokyo 169, Japan
[4] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[5] Univ Penn, Philadelphia, PA 19104 USA
[6] Univ Michigan, Ann Arbor, MI 48109 USA
[7] MIT, Cambridge, MA 02139 USA
[8] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[9] Joint Nucl Res Inst, RU-141980 Dubna, Russia
[10] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan
[11] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[12] Univ Oxford, Oxford OX1 3RH, England
[13] Univ Padua, Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
[14] Harvard Univ, Cambridge, MA 02138 USA
[15] Univ Rochester, Rochester, NY 14627 USA
[16] Purdue Univ, W Lafayette, IN 47907 USA
[17] Johns Hopkins Univ, Baltimore, MD 21218 USA
[18] Univ Calif Davis, Davis, CA 95616 USA
[19] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[20] Univ Pisa, Ist Nazl Fis Nucl, I-56100 Pisa, Italy
[21] Scuola Normale Super Pisa, I-56100 Pisa, Italy
[22] Univ Trieste Udine, Ist Nazl Fis Nucl, Udine, Italy
[23] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland
[24] Univ Wisconsin, Madison, WI 53706 USA
[25] Duke Univ, Durham, NC 27708 USA
[26] Brandeis Univ, Waltham, MA 02254 USA
[27] Rockefeller Univ, New York, NY 10021 USA
[28] Argonne Natl Lab, Argonne, IL 60439 USA
[29] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[30] Univ Pittsburgh, Pittsburgh, PA 15260 USA
[31] Univ New Mexico, Albuquerque, NM 87131 USA
[32] Michigan State Univ, E Lansing, MI 48824 USA
[33] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[34] Univ Illinois, Urbana, IL 61801 USA
[35] Ohio State Univ, Columbus, OH 43210 USA
[36] Univ Geneva, CH-1211 Geneva 4, Switzerland
[37] Rutgers State Univ, Piscataway, NJ 08855 USA
[38] Texas Tech Univ, Lubbock, TX 79409 USA
[39] Tufts Univ, Medford, MA 02155 USA
[40] Texas A&M Univ, College Stn, TX 77843 USA
[41] Yale Univ, New Haven, CT 06520 USA
[42] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 305, Japan
[43] Northwestern Univ, Evanston, IL 60208 USA
[44] Carnegie Mellon Univ, Pittsburgh, PA 15218 USA
[45] Hiroshima Univ, Higashihiroshima 724, Japan
[46] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany
[47] Osaka City Univ, Osaka 588, Japan
[48] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea
[49] Seoul Natl Univ, Seoul 151742, South Korea
[50] Sungkyunkwan Univ, Suwon 440746, South Korea
关键词
D O I
10.1103/PhysRevLett.89.041802
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present the results of a search in p (p) over bar collisions at roots=1.8 TeV for anomalous production of events containing a photon and a lepton (e or mu ), both with large transverse energy, using 86 pb (-1) of data collected with the Collider Detector at Fermilab during the 1994-1995 collider run at the Fermilab Tevatron. The presence of large missing transverse energy (is not an element of(T)), additional photons, or additional leptons in these events is also analyzed. The results are consistent with standard model expectations, with the possible exception of photon-lepton events with large is not an element of(T), for which the observed total is 16 events and the expected mean total is 7.6+/-0.7 events.
引用
收藏
页码:1 / 041802
页数:7
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