Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with 4.9 fb-1 of pp Collision Data at √s=7 TeV with ATLAS

被引：176

作者：

Aad, G. ^{[72
]}

Abbott, B. ^{[149
]}

Abdallah, J. ^{[17
,18
]}

Khalek, S. Abdel ^{[153
,257
]}

Abdelalim, A. A.

Abdesselam, A. ^{[156
,182
]}

Abdinov, O. ^{[16
]}

Abi, B. ^{[150
]}

Abolins, M. ^{[123
]}

AbouZeid, O. S. ^{[213
]}

Abramowicz, H. ^{[207
]}

Abreu, H. ^{[153
,257
]}

Acerbi, E. ^{[124
,125
]}

Acharya, B. S. ^{[220
,221
]}

Adamczyk, L. ^{[61
]}

Adams, D. L. ^{[40
]}

Addy, T. N. ^{[84
]}

Adelman, J. ^{[237
]}

Aderholz, M. ^{[135
]}

Adomeit, S. ^{[134
]}

Adragna, P. ^{[107
]}

Adye, T. ^{[171
]}

Aefsky, S. ^{[35
]}

Aguilar-Saavedra, J. A. ^{[164
,165
,166
]}

Aharrouche, M. ^{[115
]}

Ahlen, S. P. ^{[34
]}

Ahles, F. ^{[72
]}

Ahmad, A. ^{[182
,201
,202
]}

Ahsan, M. ^{[64
]}

Aielli, G. ^{[175
,176
]}

Akdogan, T. ^{[28
]}

Akesson, T. P. A. ^{[113
]}

Akimoto, G. ^{[209
,210
]}

Akimov, A. V. ^{[130
]}

Akiyama, A. ^{[96
]}

Alam, M. S. ^{[2
]}

Alam, M. A. ^{[108
]}

Albert, J. ^{[231
]}

Albrand, S. ^{[81
,82
,83
]}

Aleksa, M. ^{[46
]}

Aleksandrov, I. N. ^{[94
]}

Alessandria, F. ^{[124
]}

Alexa, C. ^{[36
,41
]}

Alexander, G. ^{[207
]}

Alexandre, G. ^{[73
]}

Alexopoulos, T. ^{[15
]}

Alhroob, M. ^{[33
]}

Aliev, M. ^{[24
]}

Alimonti, G. ^{[124
]}

Alison, J. ^{[159
]}

机构：

[1] Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany

[2] SUNY Albany, Albany, NY 12222 USA

[3] Univ Alberta, Dept Phys, Edmonton, AB, Canada

[4] Ankara Univ, Dept Phys, Ankara, Turkey

[5] Dumlupinar Univ, Dept Phys, Kutahya, Turkey

[6] Gazi Univ, Dept Phys, Ankara, Turkey

[7] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey

[8] Turkish Atom Energy Commiss, Ankara, Turkey

[9] IN2P3, CNRS, LAPP, Annecy Le Vieux, France

[10] Univ Savoie, Annecy Le Vieux, France

[11] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

[12] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

[13] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA

[14] Univ Athens, Dept Phys, Athens, Greece

[15] Natl Tech Univ Athens, Dept Phys, Zografos, Greece

[16] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan

[17] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Barcelona, Spain

[18] Univ Autonoma Barcelona, Dept Fis, E-08193 Barcelona, Spain

[19] ICREA, Barcelona, Spain

[20] Univ Belgrade, Inst Phys, Belgrade, Serbia

[21] Vinca Inst Nucl Sci, Belgrade, Serbia

[22] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[23] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Phys, Berkeley, CA 94720 USA

[24] Humboldt Univ, Dept Phys, Berlin, Germany

[25] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland

[26] Univ Bern, High Energy Phys Lab, Bern, Switzerland

[27] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[28] Bogazici Univ, Dept Phys, Istanbul, Turkey

[29] Dogus Univ, Div Phys, Istanbul, Turkey

[30] Gaziantep Univ, Dept Engn Phys, Gaziantep, Turkey

[31] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy

[32] Univ Bologna, Dipartimento Fis, Bologna, Italy

[33] Univ Bonn, Inst Phys, Bonn, Germany

[34] Boston Univ, Dept Phys, Boston, MA 02215 USA

[35] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA

[36] Univ Fed Rio de Janeiro, COPPE EE IF, Rio De Janeiro, Brazil

[37] Univ Fed Juiz de Fora, Juiz de Fora, Brazil

[38] Univ Fed Sao Joao del Rei, Sao Joao Del Rei, Brazil

[39] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil

[40] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[41] Natl Inst Phys & Nucl Engn, Bucharest, Romania

[42] Univ Politehn Bucuresti, Bucharest, Romania

[43] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina

[44] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[45] Carleton Univ, Dept Phys, Ottawa, ON K1S 5B6, Canada

[46] CERN, Geneva, Switzerland

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

[48] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile

[49] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile

[50] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 11期

基金：

巴西圣保罗研究基金会; 加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

QCD CORRECTIONS; COLLIDERS;

D O I：

10.1103/PhysRevLett.108.111803

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A search for the standard model Higgs boson is performed in the diphoton decay channel. The data used correspond to an integrated luminosity of 4.9 fb(-1) collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of root s = 7 TeV. In the diphoton mass range 110-150 GeV, the largest excess with respect to the background-only hypothesis is observed at 126.5 GeV, with a local significance of 2.8 standard deviations. Taking the look-elsewhere effect into account in the range 110-150 GeV, this significance becomes 1.5 standard deviations. The standard model Higgs boson is excluded at 95% confidence level in the mass ranges of 113-115 GeV and 134.5-136 GeV.

引用

页数：19

共 29 条

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