Search for Randall-Sundrum gravitons in the diphoton channel at CDF

被引:16
作者
Aaltonen, T. [1 ,2 ]
Alvarez Gonzalez, B. [12 ]
Amerio, S. [52 ]
Amidei, D. [43 ]
Anastassov, A. [47 ]
Annovi, A. [21 ]
Antos, J. [15 ,16 ]
Apollinari, G. [19 ]
Appel, J. A. [19 ]
Apresyan, A. [61 ]
Arisawa, T. [73 ]
Artikov, A. [17 ]
Asaadi, J. [67 ]
Ashmanskas, W. [19 ]
Auerbach, B. [76 ]
Aurisano, A. [67 ]
Azfar, F. [51 ]
Badgett, W. [19 ]
Barbaro-Galtieri, A. [34 ]
Barnes, V. E. [61 ]
Barnett, B. A. [26 ]
Barria, P. [56 ,58 ]
Bartos, P. [15 ,16 ]
Bauce, M. [52 ,53 ]
Bauer, G. [38 ]
Bedeschi, F. [56 ]
Beecher, D. [36 ]
Behari, S. [26 ]
Bellettini, G. [56 ,57 ]
Bellinger, J. [75 ]
Benjamin, D. [18 ]
Beretvas, A. [19 ]
Bhatti, A. [63 ]
Binkley, M. [19 ]
Bisello, D. [52 ,53 ]
Bizjak, I. [36 ]
Bland, K. R. [7 ]
Blumenfeld, B. [26 ]
Bocci, A. [18 ]
Bodek, A. [62 ]
Bortoletto, D. [61 ]
Boudreau, J. [60 ]
Boveia, A. [14 ]
Brau, B. [19 ]
Brigliadori, L. [8 ,9 ]
Brisuda, A. [15 ,16 ]
Bromberg, C. [44 ]
Brucken, E. [1 ,2 ]
Bucciantonio, M. [56 ,57 ]
Budagov, J. [17 ]
机构
[1] Univ Helsinki, Div High Energy Phys, Dept Phys, FIN-00014 Helsinki, Finland
[2] Helsinki Inst Phys, FIN-00014 Helsinki, Finland
[3] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[4] Argonne Natl Lab, Argonne, IL 60439 USA
[5] Univ Athens, GR-15771 Athens, Greece
[6] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Bellaterra, Barcelona, Spain
[7] Baylor Univ, Waco, TX 76798 USA
[8] Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[9] Univ Bologna, I-40127 Bologna, Italy
[10] Univ Calif Davis, Davis, CA 95616 USA
[11] Univ Calif Los Angeles, Los Angeles, CA 90024 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] Comenius Univ, Bratislava 84248, Slovakia
[16] Inst Expt Phys, Kosice 04001, Slovakia
[17] Joint Inst Nucl Res, RU-141980 Dubna, Russia
[18] Duke Univ, Durham, NC 27708 USA
[19] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[20] Univ Florida, Gainesville, FL 32611 USA
[21] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[22] Univ Geneva, CH-1211 Geneva 4, Switzerland
[23] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland
[24] Harvard Univ, Cambridge, MA 02138 USA
[25] Univ Illinois, Urbana, IL 61801 USA
[26] Johns Hopkins Univ, Baltimore, MD 21218 USA
[27] Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany
[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] Korea Inst Sci & Technol Informat, Taejon 305806, South Korea
[32] Chonnam Natl Univ, Kwangju 500757, South Korea
[33] Chonbuk Natl Univ, Jeonju 561756, South Korea
[34] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[35] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England
[36] UCL, London WC1E 6BT, England
[37] CIEMAT, E-28040 Madrid, Spain
[38] MIT, Cambridge, MA 02139 USA
[39] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[40] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada
[41] Univ Toronto, Toronto, ON M5S 1A7, Canada
[42] TRIUMF, Vancouver, BC V6T 2A3, Canada
[43] Univ Michigan, Ann Arbor, MI 48109 USA
[44] Michigan State Univ, E Lansing, MI 48824 USA
[45] ITEP, Moscow 117259, Russia
[46] Univ New Mexico, Albuquerque, NM 87131 USA
[47] Northwestern Univ, Evanston, IL 60208 USA
[48] Ohio State Univ, Columbus, OH 43210 USA
[49] Okayama Univ, Okayama 7008530, Japan
[50] Osaka City Univ, Osaka 588, Japan
来源
PHYSICAL REVIEW D | 2011年 / 83卷 / 01期
基金
英国科学技术设施理事会; 瑞士国家科学基金会; 美国国家科学基金会; 芬兰科学院; 俄罗斯基础研究基金会; 新加坡国家研究基金会; 加拿大自然科学与工程研究理事会;
关键词
PHOTON PAIR PRODUCTION; HIERARCHY;
D O I
10.1103/PhysRevD.83.011102
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report on a search for new particles in the diphoton channel using a data sample of p (p) over bar collisions at root s = 1.96 TeV collected by the CDF II detector at the Fermilab Tevatron, with an integrated luminosity of 5.4 fb(-1). The diphoton invariant mass spectrum of the data agrees well with the standard model expectation. We set upper limits on the production cross section times branching ratio for the Randall-Sundrum graviton, as a function of diphoton mass. We subsequently derive lower limits on the graviton mass of 459 GeV = c(2) and 963 GeV = c(2), at the 95% confidence level, for coupling parameters ( k/(M) over bar (Pl)) of 0.01 and 0.1, respectively.
引用
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页数:8
相关论文
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