Search for dark matter produced in association with a Higgs boson decaying to a pair of bottom quarks in proton-proton collisions at root s=13TeV

被引：0

作者：

Sirunyan, A. M. ^{[2
]}

Tumasyan, A. ^{[2
]}

Adam, W. ^{[3
]}

Ambrogi, F. ^{[3
]}

Asilar, E. ^{[3
]}

Bergauer, T. ^{[3
]}

Brandstetter, J. ^{[3
]}

Dragicevic, M. ^{[3
]}

Eroe, J. ^{[3
]}

Del Valle, A. Escalante ^{[3
]}

Flechl, M. ^{[3
]}

Fruehwirth, R. ^{[3
,204
]}

Ghete, V. M. ^{[3
]}

Hrubec, J. ^{[3
]}

Jeitler, M. ^{[3
,204
]}

Krammer, N. ^{[3
]}

Kraetschmer, I. ^{[3
]}

Liko, D. ^{[3
]}

Madlener, T. ^{[3
]}

Mikulec, I. ^{[3
]}

Rad, N. ^{[3
]}

Rohringer, H. ^{[3
]}

Schieck, J. ^{[3
,204
]}

Schoefbeck, R.

Spanring, M. ^{[3
]}

Spitzbart, D. ^{[3
]}

Taurok, A. ^{[3
]}

Waltenberger, W. ^{[3
]}

Wittmann, J. ^{[3
]}

Wulz, C. -E. ^{[3
]}

Zarucki, M. ^{[3
]}

Chekhovsky, V. ^{[4
]}

Mossolov, V. ^{[4
]}

Gonzalez, J. Suarez ^{[4
]}

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

Di Croce, D. ^{[5
]}

Janssen, X. ^{[5
]}

Lauwers, J. ^{[5
]}

Pieters, M. ^{[5
]}

Van Haevermaet, H. ^{[5
]}

Van Mechelen, P. ^{[5
]}

Van Remortel, N. ^{[5
]}

Zeid, S. Abu ^{[6
]}

Blekman, F. ^{[6
]}

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

De Clercq, J. ^{[6
]}

Deroover, K. ^{[6
]}

Flouris, G. ^{[6
]}

Lontkovskyi, D. ^{[6
]}

Lowette, S. ^{[6
]}

机构：

[1] CERN, CH-1211 Geneva 23, Switzerland

[2] Yerevan Phys Inst, Yerevan, Armenia

[3] Inst Hochenergiephys, Vienna, Austria

[4] Inst Nucl Problems, 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, 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] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria

[15] Univ Sofia, Sofia, Bulgaria

[16] Beihang Univ, Beijing, Peoples R China

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

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

[19] Tsinghua Univ, Beijing, 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] Escuela Politec Nacl, Quito, Ecuador

[27] Univ San Francisco Quito, Quito, Ecuador

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

[29] NICPB, Tallinn, Estonia

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

[31] Helsinki Inst Phys, Helsinki, Finland

[32] Lappeenranta Univ Technol, Lappeenranta, Finland

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

[34] Univ Paris Saclay, CNRS IN2P3, Ecole polytech, Lab Leprince Ringuet, Palaiseau, France

[35] Univ Strasbourg, IPHC UMR 7178, Strasbourg, France

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

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

[38] Georgian Tech Univ, Tbilisi, Georgia

[39] Tbilisi State Univ, Tbilisi, Georgia

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

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

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

[43] DESY, Hamburg, Germany

[44] Univ Hamburg, Hamburg, Germany

[45] Karlsruher Inst Technol, Karlsruhe, Germany

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

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

[48] Natl Tech Univ Athens, Athens, Greece

[49] Univ Ioannina, Ioannina, Greece

[50] Eotvos Lorand Univ, MTA ELTE Lendulet CMS Particle & Nucl Phys Grp, Budapest, Hungary

来源：

EUROPEAN PHYSICAL JOURNAL C | 2019年 / 79卷 / 03期

基金：

欧洲研究理事会; 芬兰科学院; 欧盟地平线“2020”; 巴西圣保罗研究基金会;

关键词：

PRODUCTION CROSS-SECTION; PP COLLISIONS; W BOSON; CANDIDATES; JETS;

D O I：

10.1140/epjc/s10052-019-6730-7

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 produced in association with a Higgs boson decaying to a pair of bottom quarks is performed in proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS detector at the LHC. The analyzed data sample corresponds to an integrated luminosity of 35.9 fb(-1). The signal is characterized by a large missing transverse momentum recoiling against a bottom quark-antiquark system that has a large Lorentz boost. The number of events observed in the data is consistent with the standard model background prediction. Results are interpreted in terms of limits both on parameters of the type-2 two-Higgs doublet model extended by an additional light pseudoscalar boson a (2HDM+a) and on parameters of a baryonic Z simplified model. The 2HDM+a model is tested experimentally for the first time. For the baryonic Z model, the presented results constitute the most stringent constraints to date.

引用

页数：29

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Pitters, F. M.
Schieck, J.
Schoefbeck, R.
Schwarz, D.
Templ, S.
Waltenberger, W.
Wulz, C. -E.
Darwish, M. R.
Janssen, T.
Kello, T.
Sfar, H. Rejeb
Van Mechelen, P.
Bols, E. S.
D'Hondt, J.
De Moor, A.
Delcourt, M.
El Faham, H.
Lowette, S.
Moortgat, S.
Morton, A.
Mueller, D.
Sahasransu, A. R.
Tavernier, S.
Van Doninck, W.
Vannerom, D.
Clerbaux, B.
De Lentdecker, G.
Favart, L.
Hohov, D.
Jaramillo, J.
Lee, K.
Mahdavikhorrami, M.
Makarenko, I.
Malara, A.
Paredes, S.
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