Limits on extra dimensions and new particle production in the exclusive photon and missing energy signature in p(p)over-bar collisions at √s=1.8 TeV -: art. no. 281801

被引：41

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

Behari, S

Belforte, S

Bell, WH

Bellettini, G

Bellinger, J

Benjamin, D

Bensinger, J

Beretvas, A

Berryhill, J

Bhatti, A

Binkley, M

Bisello, D

Bishai, M

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] 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 Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

[9] Carnegie Mellon Univ, Pittsburgh, PA 15218 USA

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

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

[12] Duke Univ, Durham, NC 27708 USA

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

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

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

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

[17] Harvard Univ, Cambridge, MA 02138 USA

[18] Hiroshima Univ, Higashihiroshima 724, Japan

[19] Univ Illinois, Urbana, IL 61801 USA

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

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

[22] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea

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

[24] Sungkyunkwan Univ, Suwon 440746, South Korea

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

[26] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[27] MIT, Cambridge, MA 02139 USA

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

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

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

[31] Northwestern Univ, Evanston, IL 60208 USA

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

[33] Osaka City Univ, Osaka 588, Japan

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

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

[36] Univ Penn, Philadelphia, PA 19104 USA

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

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

[39] Univ Pittsburgh, Pittsburgh, PA 15260 USA

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

[41] Univ Rochester, Rochester, NY 14627 USA

[42] Rockefeller Univ, New York, NY 10021 USA

[43] Rutgers State Univ, Piscataway, NJ 08855 USA

[44] Texas A&M Univ, College Stn, TX 77843 USA

[45] Texas Tech Univ, Lubbock, TX 79409 USA

[46] Univ Toronto, Inst Particle Phys, Toronto, ON M5S 1A7, Canada

[47] Univ Trieste, Ist Nazl Fis Nucl, Udine, Italy

[48] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan

[49] Tufts Univ, Medford, MA 02155 USA

[50] Waseda Univ, Tokyo 169, Japan

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 28期

关键词：

D O I：

10.1103/PhysRevLett.89.281801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The exclusive gammais not an element of(T) signal has a small standard model cross section and is thus a channel sensitive to new physics. This signature is predicted by models with a superlight gravitino or with large extra spatial dimensions. We search for such signals at the Collider Detector at Fermilab, using 87 pb(-1) of data at roots = 1.8 TeV, and extract 95% C.L. limits on these processes. A limit of 221 GeV is set on the scale \F\(1/2) in supersymmetric models. For 4, 6, and 8 extra dimensions, model-dependent limits on the fundamental mass scale M-D of 0.55, 0.58, and 0.60 TeV, respectively, are found. We also specify a "pseudo-model-independent" method of comparing the results to theoretical predictions.

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