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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Aad, G.
Abbott, B.
Abdallah, J.
Khalek, S. Abdel
Abdelalim, A. A.
Abdesselam, A.
Abdinov, O.
Abi, B.
Abolins, M.
AbouZeid, O. S.
Abramowicz, H.
Abreu, H.
Acerbia, E.
Acharya, B. S.
Adamczyk, L.
Adams, D. L.
Addy, T. N.
Adelman, J.
Aderholz, M.
Adomeit, S.
Adragna, P.
Adye, T.
Aefsky, S.
Aguilar-Saavedra, J. A.
Aharrouche, M.
Ahlen, S. P.
Ahles, F.
Ahmad, A.
Ahsan, M.
Aielli, G.
Akdogan, T.
Akesson, T. P. A.
Akimoto, G.
Akimov, A. V.
Akiyama, A.
Alam, M. S.
Alam, M. A.
Albert, J.
Albrand, S.
Aleksa, M.
Aleksandrov, I. N.
Alessandriaa, F.
Alexaa, C.
Alexander, G.
Alexandre, G.
Alexopoulos, T.
Alhroob, M.
Aliev, M.
Alimontia, G.
Alison, J.
PHYSICS LETTERS B, 2012, 710 (01) : 49 - 66
[2] Measurements of Higgs boson properties in the diphoton decay channel with 36 fb-1 of pp collision data at √s=13 TeV with the ATLAS detector
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Aad, G.
Abbott, B.
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Abramowicz, H.
Abreu, H.
Abulaiti, Y.
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Adersberger, M.
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Ahlen, S. P.
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Adragna, P.
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Ahlen, S. P.
Ahles, F.
Ahmad, A.
Ahsan, M.
Aielli, G.
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Akimov, A. V.
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Aliev, M.
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PHYSICS LETTERS B, 2012, 710 (03) : 383 - 402
[4] Search for the Standard Model Higgs boson in the H → WW(*) → lvlv decay mode with 4.7 fb-1 of ATLAS data at √s=7 TeV
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Abdinov, O.
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Abreu, H.
Acerbi, E.
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Adomeit, S.
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Aharrouche, M.
Ahlen, S. P.
Ahles, F.
Ahmad, A.
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[5] Search for the Standard Model Higgs boson in the H → τ+τ- decay mode in √s=7 TeV pp collisions with ATLAS
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Akesson, T. P. A.
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Alam, M. S.
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Albert, J.
Albrand, S.
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Alexandre, G.
Alexopoulos, T.
Alhroob, M.
Aliev, M.
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Allbrooke, B. M. M.
Allport, P. P.
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Acerbi, E.
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PHYSICAL REVIEW D, 2014, 90 (11)
[9] Search for the Standard Model Higgs Boson in the Decay Channel H → ZZ → 4l in pp Collisions at √s=7 TeV
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Tumasyan, A.
Adam, W.
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Dragicevic, M.
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Selvaggi, M.
Van Haevermaet, H.
PHYSICAL REVIEW LETTERS, 2012, 108 (11)
[10] Search for the standard model Higgs boson in the H → ZZ → l+l-τ+τ- decay channel in pp collisions at √s=7 TeV
Chatrchyan, S.
Khachatryan, V.
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Bergauer, T.
Dragicevic, M.
Eroe, J.
Fabjan, C.
Friedl, M.
Fruehwirth, R.
Ghete, V. M.
Hammer, J.
Hoch, M.
Hoermann, N.
Hrubec, J.
Jeitler, M.
Kiesenhofer, W.
Krammer, M.
Liko, D.
Mikulec, I.
Pernicka, M.
Rahbaran, B.
Rohringer, C.
Rohringer, H.
Schoefbeck, R.
Strauss, J.
Taurok, A.
Teischinger, F.
Wagner, P.
Waltenberger, W.
Walzel, G.
Widl, E.
Wulz, C. -E.
Mossolov, V.
Shumeiko, N.
Gonzalez, J. Suarez
Bansal, S.
Benucci, L.
Cornelis, T.
De Wolf, E. A.
Janssen, X.
Luyckx, S.
Maes, T.
Mucibello, L.
Ochesanu, S.
Roland, B.
Rougny, R.
Selvaggi, M.
Van Haevermaet, H.
JOURNAL OF HIGH ENERGY PHYSICS, 2012, (03):

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