Search for neutral resonances decaying into a Z boson and a pair of b jets or τ leptons

被引：69

作者：

Khachatryan, V. ^{[1
]}

Sirunyan, A. M. ^{[1
]}

Tumasyan, A. ^{[1
]}

Adam, W. ^{[2
]}

Asilar, E. ^{[2
]}

Bergauer, T. ^{[2
]}

Brandstetter, J. ^{[2
]}

Brondolin, E. ^{[2
]}

Dragicevic, M. ^{[2
]}

Eroe, J. ^{[2
]}

Flechl, M. ^{[2
]}

Friedl, M. ^{[2
]}

Fruhwirth, R. ^{[190
]}

Ghete, V. M. ^{[2
]}

Hartl, C. ^{[2
]}

Hormann, N. ^{[2
]}

Hrubec, J. ^{[2
]}

Jeitler, M. ^{[2
,190
]}

Knunz, V. ^{[2
]}

Konig, A. ^{[2
]}

Krammer, M. ^{[2
,190
]}

Kratschmer, I. ^{[2
]}

Liko, D. ^{[2
]}

Matsushita, T. ^{[2
]}

Mikulec, I. ^{[2
]}

Rabady, D. ^{[2
,191
]}

Rahbaran, B. ^{[2
]}

Rohringer, H. ^{[2
]}

Schieck, J. ^{[2
,190
]}

Schofbeck, R. ^{[2
]}

Strauss, J. ^{[2
]}

Treberer-Treberspurg, W. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C. -E. ^{[2
,190
]}

Mossolov, V. ^{[3
]}

Shumeiko, N. ^{[3
]}

Gonzalez, J. Suarez ^{[3
]}

Mossolov, V. ^{[3
]}

Shumeiko, N. ^{[3
]}

Gonzalez, J. Suarez ^{[3
]}

Alderweireldt, S. ^{[4
]}

Cornelis, T. ^{[4
]}

De Wolf, E. A. ^{[4
]}

Janssen, X. ^{[4
]}

Knutsson, A. ^{[4
]}

Lauwers, J. ^{[4
]}

Luyckx, S. ^{[4
]}

Van de Klundert, M. ^{[4
]}

Van Haevermaet, H. ^{[4
]}

Van Mechelen, P. ^{[4
]}

机构：

[1] Yerevan Phys Inst, Yerevan, Armenia

[2] OeAW, Inst Hochenergiephys, Vienna, Austria

[3] Natl Ctr Particle & High Energy Phys, Minsk, BELARUS

[4] Univ Antwerp, Antwerp, Belgium

[5] Vrije Univ Brussel, Brussels, Belgium

[6] Univ Libre Bruxelles, Brussels, Belgium

[7] Univ Ghent, Ghent, Belgium

[8] Catholic Univ Louvain, Louvain, Belgium

[9] Univ Mons, Mons, Belgium

[10] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[11] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil

[12] Univ Estadual Paulista, Sao Paulo, Brazil

[13] Univ Fed ABC, Sao Paulo, Brazil

[14] Inst Nucl Energy Res, Sofia, Bulgaria

[15] Univ Sofia, Sofia, Bulgaria

[16] Inst High Energy Phys, Beijing, Peoples R China

[17] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China

[18] Univ Los Andes, Bogota, Colombia

[19] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia

[20] Univ Split, Fac Sci, Split, Croatia

[21] Rudjer Boskovic Inst, Zagreb, Croatia

[22] Univ Cyprus, Nicosia, Cyprus

[23] Charles Univ Prague, Prague, Czech Republic

[24] Acad Sci Res & Technol Arab Republ Egypt, Network High Energy Phys, Cairo, Egypt

[25] NICPB, Tallinn, Estonia

[26] Univ Helsinki, Dept Phys, Helsinki, Finland

[27] Helsinki Inst Phys, Helsinki, Finland

[28] Lappeenranta Univ Technol, Lappeenranta, Finland

[29] CEA Saclay, DSM IRFU, Gif Sur Yvette, France

[30] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, Palaiseau, France

[31] Univ Haute Alsace Mulhouse, Univ Strasbourg, Inst Pluridisciplinaire Hubert Curien, CNRS,IN2P3, Strasbourg, France

[32] CNRS, IN2P3, Ctr Calcul, Villeurbanne, France

[33] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, Villeurbanne, France

[34] Georgian Tech Univ, Tbilisi, Georgia

[35] Tbilisi State Univ, Tbilisi, Georgia

[36] Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany

[37] Rhein Westfal TH Aachen, Phys Inst A3, Aachen, Germany

[38] Rhein Westfal TH Aachen, Phys Inst B3, Aachen, Germany

[39] DESY, Hamburg, Germany

[40] Univ Hamburg, Hamburg, Germany

[41] Inst Expt Kernphys, Karlsruhe, Germany

[42] NCSR Demokritos, INPP, Aghia Paraskevi, Greece

[43] Natl & Kapodistrian Univ Athens, Athens, Greece

[44] Univ Ioannina, Ioannina, Greece

[45] Wigner Res Ctr Phys, Budapest, Hungary

[46] Inst Nucl Res ATOMKI, Debrecen, Hungary

[47] Univ Debrecen, Debrecen, Hungary

[48] Natl Inst Sci Educ & Res, Bhubaneswar, Orissa, India

[49] Panjab Univ, Chandigarh, India

[50] Univ Delhi, Delhi, India

来源：

PHYSICS LETTERS B | 2016年 / 759卷

基金：

芬兰科学院; 美国国家科学基金会; 欧洲研究理事会; 巴西圣保罗研究基金会;

关键词：

CMS; Physics; Higgs; 2HDM; BSM; b-Tagging; Tau; Lepton;

D O I：

10.1016/j.physletb.2016.05.087

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search is performed for a new resonance decaying into a lighter resonance and a Z boson. Two channels are studied, targeting the decay of the lighter resonance into either a pair of oppositely charged tau leptons or a b (b) over bar pair. The Z boson is identified via its decays to electrons or muons. The search exploits data collected by the CMS experiment at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.8 fb(-1). No significant deviations are observed from the standard model expectation and limits are set on production cross sections and parameters of two-Higgs-doublet models. (C) 2016 The Author. Published by Elsevier B.V.

引用

页码：369 / 394

页数：26

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Knuenz, V.
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Kraetschmer, I.
Liko, D.
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Rabady, D.
Rahbaran, B.
Rohringer, H.
Schoefbeck, R.
Strauss, J.
Taurok, A.
Treberer-Treberspurg, W.
Waltenberger, W.
Wulz, C. -E.
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Shumeiko, N.
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J. Hrubec
M. Jeitler
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M. Krammer
I. Krätschmer
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M. Bansal
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Ahmadov, F.
Aielli, G.
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Akerstedt, H.
Akesson, T. P. A.
Akilli, E.
Akimov, A. V.
Alberghi, G. L.
Albert, J.
Albicocco, P.
Alconada Verzini, M. J.
Alderweireldt, S. C.
Aleksa, M.
Aleksandrov, I. N.
Alexa, C.
Alexander, G.
Alexopoulos, T.
Alhroob, M.
Ali, B.
Aliev, M.
Alimonti, G.
Alison, J.
Alkire, S. P.
Allbrooke, B. M. M.
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