Search for dark matter produced with an energetic jet or a hadronically decaying W or Z boson at √S=13 TeV

被引：0

作者：

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
]}

Fruehwirth, R. ^{[2
,201
]}

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

Hartl, C.

Hoermann, N. ^{[2
]}

Hrubec, J. ^{[2
]}

Jeitler, M. ^{[2
,201
]}

Koenig, A. ^{[2
]}

Kraetschmer, I. ^{[2
]}

Liko, D. ^{[2
]}

Matsushita, T. ^{[2
]}

Mikulec, I. ^{[2
]}

Rabady, D. ^{[2
]}

Rad, N. ^{[2
]}

Rahbaran, B. ^{[2
]}

Rohringer, H. ^{[2
]}

Schiecki, J. ^{[2
]}

Strauss, J. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulzi, C. -E. ^{[2
,201
]}

Dvornikov, O. ^{[3
]}

Makarenko, V. ^{[3
]}

Mossolov, V. ^{[3
]}

Gonzalez, J. Suarez ^{[3
]}

Zykunov, V. ^{[3
]}

Shumeiko, N. ^{[4
]}

Alderweireldt, S. ^{[5
]}

De Wolf, E. A. ^{[5
]}

Janssen, X. ^{[5
]}

Lauwers, J. ^{[5
]}

Van De Klundert, M. ^{[5
]}

Van Haevermaet, H. ^{[5
]}

Van Mechelen, P. ^{[5
]}

Van Remortel, N. ^{[5
]}

Van Spilbeeck, A. ^{[5
]}

Abu Zeid, S. ^{[6
]}

Blekman, F. ^{[6
]}

D'Hondt, J. ^{[6
]}

Daci, N. ^{[6
]}

De Bruyn, I. ^{[6
]}

机构：

[1] Yerevan Phys Inst, Yerevan, Armenia

[2] Inst Hochenergiephys, Vienna, Austria

[3] Inst Nucl Problems, Minsk, BELARUS

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

[5] Univ Antwerp, Antwerp, Belgium

[6] Vrije Univ Brussel, Brussels, Belgium

[7] Univ Libre Bruxelles, Brussels, Belgium

[8] Univ Ghent, Ghent, Belgium

[9] Catholic Univ Louvain, Louvain La Neuve, Belgium

[10] Univ Mons, Mons, Belgium

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

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

[13] Univ Estadual Paulista, Sao Paulo, Brazil

[14] Univ Fed ABC, Sao Paulo, Brazil

[15] Inst Nucl Energy Res, Sofia, Bulgaria

[16] Univ Sofia, Sofia, Bulgaria

[17] Beihang Univ, Beijing, Peoples R China

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

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

[20] Univ Los Andes, Bogota, Colombia

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

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

[23] Inst Rudjer Boskov, Zagreb, Croatia

[24] Univ Cyprus, Nicosia, Cyprus

[25] Charles Univ Prague, Prague, Czech Republic

[26] Univ San Francisco Quito, Quito, Ecuador

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

[28] NICPB, Tallinn, Estonia

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

[30] Helsinki Inst Phys, Helsinki, Finland

[31] Lappeenranta Univ Technol, Lappeenranta, Finland

[32] Univ Paris Saclay, CEA, IRFU, Gif Sur Yvette, France

[33] Ecole Polytech, Lab LeprinceRinguet, CNRS, IN2P3, Palaiseau, France

[34] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France

[35] Ctr Calcul Inst Natl Phys Nucl & Phys, CNRS, IN2P3, Villeurbanne, France

[36] Univ Claude Bernard Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, Villeurbanne, France

[37] Georgian Tech Univ, Tbilisi, Georgia

[38] Tbilisi State Univ, Tbilisi, Georgia

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

[40] Rhein Westfal TH Aachen, Phys Inst 3, Aachen, Germany

[41] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany

[42] Deutsch ElektronenSynchrotron, Hamburg, Germany

[43] Univ Hamburg, Hamburg, Germany

[44] Inst Expt Kernphys, Karlsruhe, Germany

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

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

[47] Univ Ioannina, Ioannina, Greece

[48] Eotvos Lorand Univ, MTAELTE Lendulet CMS Particle & Nucl Phys Grp, Budapest, Hungary

[49] Wigner Res Ctr Phys, Budapest, Hungary

[50] Inst Nucl Res ATOMKI, Debrecen, Hungary

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2017年 / 07期

基金：

美国国家科学基金会; 英国科学技术设施理事会; 俄罗斯基础研究基金会; 巴西圣保罗研究基金会; 奥地利科学基金会; 中国国家自然科学基金; 芬兰科学院; 新加坡国家研究基金会; 欧洲研究理事会;

关键词：

Jet substructure; Dark matter; Hadron-Hadron scattering (experiments); Exotics; Higgs physics; COMPUTATION; CANDIDATES; LHC;

D O I：

10.1007/JHEP07(2017)014

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 dark matter particles is performed using events with large missing transverse momentum, at least one energetic jet, and no leptons, in proton-proton collisions at root S = 13TeV collected with the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 12.9 fb(-1). The search includes events with jets from the hadronic decays of a W or Z boson. The data are found to be in agreement with the predicted background contributions from standard model processes. The results are presented in terms of simpli fi ed models in which dark matter particles are produced through interactions involving a vector, axial-vector, scalar, or pseudoscalar mediator. Vector and axial-vector mediator particles with masses up to 1.95TeV, and scalar and pseudoscalar mediator particles with masses up to 100 and 430 GeV respectively, are excluded at 95% con fi dence level. The results are also interpreted in terms of the invisible decays of the Higgs boson, yielding an observed (expected) 95% con fi dence level upper limit of 0.44 (0.56) on the corresponding branching fraction. The results of this search provide the strongest constraints on the dark matter pair production cross section through vector and axial-vector mediators at a particle collider. When compared to the direct detection experiments, the limits obtained from this search provide stronger constraints for dark matter masses less than 5, 9, and 550 GeV, assuming vector, scalar, and axial-vector mediators, respectively. The search yields stronger constraints for dark matter masses less than 200 GeV, assuming a pseudoscalar mediator, when compared to the indirect detection results from Fermi-LAT.

引用

页数：50

共 101 条

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