Search for a high-mass Higgs boson decaying to a W boson pair in pp collisions at √s=8TeV with the ATLAS detector

被引：0

作者：

Aad, G. ^{[120
,121
]}

Abbott, B. ^{[152
]}

Abdallah, J. ^{[214
]}

Abdinov, O. ^{[14
]}

Aben, R. ^{[145
,146
]}

Abolins, M. ^{[126
]}

AbouZeid, O. S. ^{[221
]}

Abramowicz, H. ^{[216
]}

Abreu, H. ^{[215
]}

Abreu, R. ^{[155
]}

Abulaiti, Y. ^{[207
,208
]}

Acharya, B. S. ^{[228
,229
,249
]}

Adamczyk, L. ^{[60
]}

Adams, D. L. ^{[37
]}

Adelman, J. ^{[147
]}

Adomeit, S. ^{[136
]}

Adye, T. ^{[181
]}

Affolder, A. A. ^{[106
]}

Agatonovic-Jovin, T. ^{[17
]}

Agricola, J. ^{[80
]}

Aguilar-Saavedra, J. A. ^{[168
,173
,174
]}

Ahlen, S. P. ^{[31
]}

Ahmadov, F. ^{[95
,250
]}

Aielli, G. ^{[184
,185
]}

Akerstedt, H. ^{[207
,208
]}

Akesson, T. P. A. ^{[116
]}

Akimov, A. V. ^{[132
]}

Alberghi, G. L. ^{[28
,29
]}

Albert, J. ^{[239
]}

Albrand, S. ^{[81
]}

Verzini, M. J. Alconada ^{[101
,102
]}

Aleksa, M. ^{[43
]}

Aleksandrov, I. N. ^{[95
]}

Alexa, C. ^{[38
]}

Alexander, G. ^{[216
]}

Alexopoulos, T. ^{[13
]}

Alhroob, M. ^{[152
]}

Alimonti, G. ^{[127
]}

Alio, L. ^{[120
,121
]}

Alison, J. ^{[44
]}

Alkire, S. P. ^{[56
]}

Allbrooke, B. M. M. ^{[212
]}

Allport, P. P. ^{[106
]}

Aloisio, A. ^{[141
,142
,179
,181
,215
]}

Alonso, A. ^{[57
]}

Alonso, F. ^{[101
,102
]}

Alpigiani, C. ^{[109
]}

Altheimer, A. ^{[56
]}

Gonzalez, B. Alvarez ^{[43
]}

Piqueras, D. Alvarez ^{[233
,234
,235
,236
,237
]}

机构：

[1] Univ Adelaide, Dept Phys, Adelaide, SA, Australia

[2] SUNY Albany, Dept Phys, Albany, NY 12222 USA

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

[4] Ankara Univ, Dept Phys, TR-06100 Ankara, Turkey

[5] Istanbul Aydin Univ, Istanbul, Turkey

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

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

[8] Univ Savoie Mt Blanc, Annecy Le Vieux, France

[9] Argonne Natl Lab, Div High Energy Phys, 9700 S Cass Ave, Argonne, IL 60439 USA

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

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

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

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

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

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

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

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

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

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

[20] Univ Calif Berkeley, Berkeley, CA 94720 USA

[21] Humboldt Univ, Dept Phys, D-10099 Berlin, Germany

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

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

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

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

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

[27] Dogus Univ, Dept Phys, Istanbul, Turkey

[28] INFN Sez, Bologna, Italy

[29] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

[30] Univ Bonn, Inst Phys, Nussallee 12, Bonn, Germany

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

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

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

[34] Fed Univ Juiz De Fora UFJF, Elect Circuits Dept, Juiz De Fora, Brazil

[35] Fed Univ Sao Joao Del Rei UFSJ, Sao Joao Del Rei, Brazil

[36] Univ Sao Paulo, Inst Fis, CP 20516, BR-01498 Sao Paulo, Brazil

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

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

[39] Natl Inst Res & Dev Isotop & Mol Technol, Dept Phys, Cluj Napoca, Romania

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

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

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

[43] CERN, Geneva, Switzerland

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

[45] Pontificia Univ Catolica Chile, Dept Fis, Alameda 340, Santiago, Chile

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

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

[48] Univ Sci & Technol China, Dept Modern Phys, Hefei, Anhui, Peoples R China

[49] Nanjing Univ, Dept Phys, Nanjing, Jiangsu, Peoples R China

[50] Shandong Univ, Sch Phys, Jinan, Shandong, Peoples R China

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2016年 / 01期

基金：

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

关键词：

Hadron-Hadron scattering; Beyond Standard Model; Higgs physics; RADIATIVE-CORRECTIONS; STANDARD MODEL; COLLIDERS;

D O I：

10.1007/JHEP01(2016)032

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

A search for a high-mass Higgs boson H is performed in the H -> WW -> l nu l nu and H -> WW -> l nu qq decay channels using pp collision data corresponding to an integrated luminosity of 20.3 fb(-1) collected at root s = 8TeV by the ATLAS detector at the Large Hadron Collider. No evidence of a high-mass Higgs boson is found. Limits on sigma(H) x BR(H -> WW) as a function of the Higgs boson mass m(H) are determined in three different scenarios: one in which the heavy Higgs boson has a narrow width compared to the experimental resolution, one for a width increasing with the boson mass and modeled by the complex-pole scheme following the same behavior as in the Standard Model, and one for intermediate widths. The upper range of the search is m(H) = 1500 GeV for the narrow-width scenario and m(H) = 1000 GeV for the other two scenarios. The lower edge of the search range is 200{300 GeV and depends on the analysis channel and search scenario. For each signal interpretation, individual and combined limits from the two WW decay channels are presented. At m(H) = 1500 GeV, the highest-mass point tested, sigma(H) x BR(H -> WW) for a narrow-width Higgs boson is constrained to be less than 22 fb and 6.6 fb at 95% CL for the gluon fusion and vector-boson fusion production modes, respectively.

引用

页码：1 / 66

页数：66

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Ai, X.
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Akatsuka, S.
Akbiyik, M.
Akesson, T. P. A.
Akimov, A. V.
Al Khoury, K.
Alberghi, G. L.
Albert, J.
Albicocco, P.
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