Search for a Higgs boson in the diphoton final state using the full CDF data set from p(p)over-bar collisions at √s=1.96 TeV

被引：14

作者：

Aaltonen, T. ^{[22
,23
]}

Alvarez Gonzalez, B. ^{[11
]}

Amerio, S. ^{[50
]}

Amidei, D. ^{[42
]}

Anastassov, A. ^{[1
]}

Annovi, A. ^{[18
]}

Antos, J. ^{[13
,14
]}

Apollinari, G. ^{[1
]}

Appel, J. A. ^{[1
]}

Arisawa, T. ^{[70
]}

Artikov, A. ^{[15
]}

Asaadi, J. ^{[61
,64
]}

Ashmanskas, W. ^{[1
]}

Auerbach, B. ^{[73
]}

Aurisano, A. ^{[61
,64
]}

Azfar, F. ^{[49
]}

Badgett, W. ^{[1
]}

Bae, T. ^{[27
,28
,29
,30
,31
,32
]}

Barbaro-Galtieri, A. ^{[33
]}

Barnes, V. E. ^{[58
]}

Barnett, B. A. ^{[25
]}

Barria, P. ^{[53
,55
]}

Bartos, P. ^{[13
,14
]}

Bauce, M. ^{[50
,51
]}

Bedeschi, F. ^{[53
]}

Behari, S. ^{[25
]}

Bellettini, G. ^{[53
,54
]}

Bellinger, J. ^{[72
]}

Benjamin, D. ^{[16
]}

Beretvas, A. ^{[1
]}

Bhatti, A. ^{[60
]}

Bisello, D. ^{[50
,51
]}

Bizjak, I. ^{[35
]}

Bland, K. R. ^{[6
]}

Blumenfeld, B. ^{[25
]}

Bocci, A. ^{[16
]}

Bodek, A. ^{[59
]}

Bortoletto, D. ^{[58
]}

Boudreau, J. ^{[57
]}

Boveia, A.

Brigliadori, L. ^{[7
,8
]}

Bromberg, C. ^{[43
]}

Brucken, E. ^{[22
,23
]}

Budagov, J. ^{[15
]}

Budd, H. S. ^{[59
]}

Burkett, K. ^{[1
]}

Busetto, G. ^{[50
,51
]}

Bussey, P. ^{[20
]}

Buzatu, A. ^{[38
,39
,40
,41
]}

Calamba, A. ^{[12
]}

机构：

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

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

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

[4] Univ Athens, GR-15771 Athens, Greece

[5] Univ Autonoma Barcelona, Inst Fis Altes Energies, ICREA, E-08193 Bellaterra, Barcelona, Spain

[6] Baylor Univ, Waco, TX 76798 USA

[7] Ist Nazl Fis Nucl Bologna, Bologna, Italy

[8] Univ Bologna, I-40127 Bologna, Italy

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

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

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

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

[13] Comenius Univ, Bratislava 84248, Slovakia

[14] Inst Expt Phys, Kosice 04001, Slovakia

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

[16] Duke Univ, Durham, NC 27708 USA

[17] Univ Florida, Gainesville, FL 32611 USA

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

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

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

[21] Harvard Univ, Cambridge, MA 02138 USA

[22] Univ Helsinki, Div High Energy Phys, Dept Phys, FIN-00014 Helsinki, Finland

[23] Helsinki Inst Phys, FIN-00014 Helsinki, Finland

[24] Univ Illinois, Urbana, IL 61801 USA

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

[26] Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany

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

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

[29] Sungkyunkwan Univ, Suwon 440746, South Korea

[30] Korea Inst Sci & Technol Informat, Taejon 305806, South Korea

[31] Chonnam Natl Univ, Kwangju 500757, South Korea

[32] Chonbuk Natl Univ, Jeonju 561756, South Korea

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

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

[35] UCL, London WC1E 6BT, England

[36] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain

[37] MIT, Cambridge, MA 02139 USA

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

[39] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada

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

[41] TRIUMF, Vancouver, BC V6T 2A3, Canada

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

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

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

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

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

[47] Okayama Univ, Okayama 7008530, Japan

[48] Osaka City Univ, Osaka 588, Japan

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

[50] Ist Nazl Fis Nucl, Sez Padova, Trento, Italy

来源：

PHYSICS LETTERS B | 2012年 / 717卷 / 1-3期

基金：

新加坡国家研究基金会; 英国科学技术设施理事会; 澳大利亚研究理事会; 俄罗斯基础研究基金会; 加拿大自然科学与工程研究理事会; 瑞士国家科学基金会; 美国国家科学基金会; 芬兰科学院;

关键词：

STANDARD MODEL; MASS; RESUMMATION; SPECTRUM; DETECTOR; SCALE;

D O I：

10.1016/j.physletb.2012.08.051

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for a narrow Higgs boson resonance in the diphoton mass spectrum is presented based on data corresponding to 10 fb(-1) of integrated luminosity collected by the CDF experiment from proton antiproton collisions at root s = 1.96 TeV. To increase the sensitivity of the search, we employ a multivariate discriminant technique for the first time in this channel at CDF. No evidence of signal is observed, and upper limits are set on the cross section times branching ratio of the resonant state as a function of the Higgs boson mass. The limits are interpreted in the context of the standard model with an expected (observed) limit on the cross section times branching ratio of 9.9 (17.0) times the standard model prediction at the 95% credibility level for a Higgs boson mass of 125 GeV/c(2). Moreover, a Higgs boson with suppressed couplings to fermions is excluded for masses below 114 GeV/c(2) at the 95% credibility level. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：173 / 181

页数：9

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