Search for a light charged Higgs boson in the decay channel H+ → c(s)over-bar in t(t)over-bar events using pp collisions at √s=7 TeV with the ATLAS detector

被引：120

作者：

Aad, G. ^{[73
]}

Abajyan, T. ^{[34
]}

Abbott, B. ^{[152
]}

Abdallah, J. ^{[16
,17
,18
]}

Khalek, S. Abdel ^{[156
,157
]}

Abdelalim, A. A. ^{[74
]}

Abdinov, O. ^{[15
]}

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

Abi, B. ^{[153
]}

Abolins, M. ^{[125
]}

AbouZeid, O. S. ^{[216
]}

Abramowicz, H. ^{[210
]}

Abreu, H. ^{[189
]}

Acharya, B. S. ^{[223
,224
,244
]}

Adamczyk, L. ^{[62
]}

Adams, D. L. ^{[41
]}

Addy, T. N. ^{[85
]}

Adelman, J. ^{[241
]}

Adomeit, S. ^{[136
]}

Adragna, P. ^{[109
]}

Adye, T. ^{[175
]}

Aefsky, S. ^{[36
]}

Aguilar-Saavedra, J. A. ^{[168
,169
,170
]}

Agustoni, M. ^{[25
,26
]}

Ahlen, S. P. ^{[35
]}

Ahles, F. ^{[73
]}

Ahmad, A. ^{[204
,205
]}

Ahsan, M. ^{[65
]}

Aielli, G. ^{[180
,181
]}

Akesson, T. P. A. ^{[115
]}

Akimote, G. ^{[212
,213
]}

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

Alam, M. A. ^{[110
]}

Albert, J. ^{[234
]}

Albrand, S. ^{[82
,83
,84
]}

Aleksa, M. ^{[47
]}

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

Alessandria, F. ^{[126
]}

Alexa, C. ^{[42
]}

Alexander, G. ^{[210
]}

Alexandre, G. ^{[74
]}

Alexopoulos, T. ^{[14
]}

Alhroob, M. ^{[223
,225
]}

Aliev, M. ^{[24
]}

Alimonti, G. ^{[126
]}

Alison, J. ^{[163
]}

Allbrooke, B. M. M. ^{[27
]}

Allison, L. J. ^{[103
]}

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

Allwood-Spiers, S. E. ^{[80
]}

机构：

[1] Univ Adelaide, Sch Chem & 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] Gazi Univ, Dept Phys, Ankara, Turkey

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

[7] Turkish Atom Energy Commiss, Ankara, Turkey

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

[9] Univ Savoie, Annecy Le Vieux, France

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

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

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

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

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

[15] Azerbaijan Acad Sci, Inst Phys, Baku, Azerbaijan

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

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

[18] ICREA, Barcelona, Spain

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

[20] Univ Belgrade, Vinca Inst Nucl Sci, Belgrade, Serbia

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

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

[23] Univ Calif Berkeley, 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, School Phys & Astron, Birmingham, W Midlands, England

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

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

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

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

[32] INFN Sez Bologna, Bologna, Italy

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

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

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

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

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

[38] Fed Univ Juiz de Fora (UFJF, Juiz De Fora, Brazil

[39] Fed Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil

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

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

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

[43] Univ Politehn Bucuresti, Bucharest, Romania

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

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

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

[47] CERN, Geneva, Switzerland

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

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

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

来源：

EUROPEAN PHYSICAL JOURNAL C | 2013年 / 73卷 / 06期

基金：

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

关键词：

PHENOMENOLOGY;

D O I：

10.1140/epjc/s10052-013-2465-z

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 charged Higgs boson (H+) in t (t) over bar decays is presented, where one of the top quarks decays via t -> H(+)b, followed by H+ -> two jets (c (s) over bar). The other top quark decays to Wb, where the W boson then decays into a lepton (e/mu) and a neutrino. The data were recorded in pp collisions at root s = 7 TeV by the ATLAS detector at the LHC in 2011, and correspond to an integrated luminosity of 4.7 fb(-1). With no observation of a signal, 95 % confidence level (CL) upper limits are set on the decay branching ratio of top quarks to charged Higgs bosons varying between 5 % and 1 % for H+ masses between 90 GeV and 150 GeV, assuming B(H+ -> c (s) over bar) = 100 %.

引用

页数：20

共 68 条

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