Search for invisible decays of the Higgs boson produced via vector boson fusion in proton-proton collisions at √s=13 TeV

被引：76

作者：

Tumasyan, A. ^{[1
]}

Adam, W. ^{[2
]}

Andrejkovic, J. W. ^{[2
]}

Bergauer, T. ^{[2
]}

Chatterjee, S. ^{[2
]}

Damanakis, K. ^{[2
]}

Dragicevic, M. ^{[2
]}

Del Valle, A. Escalante ^{[2
]}

Fruhwirth, R. ^{[2
,216
]}

Jeitler, M. ^{[2
,216
]}

Krammer, N. ^{[2
]}

Lechner, L. ^{[2
]}

Liko, D. ^{[2
]}

Mikulec, I ^{[2
]}

Paulitsch, P. ^{[2
]}

Pitters, F. M. ^{[2
]}

Schieck, J. ^{[2
,216
]}

Schofbeck, R. ^{[2
]}

Schwarz, D. ^{[2
]}

Templ, S. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C-E ^{[2
,216
]}

Chekhovsky, V ^{[3
]}

Litomin, A. ^{[3
]}

Makarenko, V ^{[3
]}

Darwish, M. R. ^{[4
,217
]}

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

Janssen, T. ^{[4
]}

Kello, T. ^{[4
,6
]}

Lelek, A. ^{[4
]}

Sfar, H. Rejeb ^{[4
]}

Van Mechelen, P. ^{[4
]}

Van Putte, S. ^{[4
]}

Van Remortel, N. ^{[4
]}

Bols, E. S. ^{[5
]}

D'Hondt, J. ^{[5
]}

De Moor, A. ^{[5
]}

Delcourt, M. ^{[5
]}

El Faham, H. ^{[5
]}

Lowette, S. ^{[5
]}

Moortgat, S. ^{[5
]}

Morton, A. ^{[5
]}

Muller, D. ^{[5
]}

Sahasransu, A. R. ^{[5
]}

Tavernier, S. ^{[5
]}

Van Doninck, W. ^{[5
]}

Vannerom, D. ^{[5
]}

Beghin, D. ^{[6
]}

Bilin, B. ^{[6
]}

Clerbaux, B. ^{[6
]}

机构：

[1] Yerevan Phys Inst, Yerevan, Armenia

[2] Inst Hochenergiephys, Vienna, Austria

[3] Inst Nucl Problems, 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 La Neuve, Belgium

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

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

[11] Univ Fed ABC, Univ Estadual Paulista, Sao Paulo, Brazil

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

[13] Univ Sofia, Sofia, Bulgaria

[14] Beihang Univ, Beijing, Peoples R China

[15] Tsinghua Univ, Dept Phys, Beijing, Peoples R China

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

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

[18] Sun Yat Sen Univ, Guangzhou, Peoples R China

[19] Fudan Univ, Inst Modern Phys, Shanghai, Peoples R China

[20] Fudan Univ, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai, Peoples R China

[21] Zhejiang Univ, Hangzhou, Zhejiang, Peoples R China

[22] Univ Los Andes, Bogota, Colombia

[23] Univ Antioquia, Medellin, Colombia

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

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

[26] Inst Rudjer Boskovic, Zagreb, Croatia

[27] Univ Cyprus, Nicosia, Cyprus

[28] Charles Univ Prague, Prague, Czech Republic

[29] Escuela Politec Nacl, Quito, Ecuador

[30] Univ San Francisco Quito, Quito, Ecuador

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

[32] Fayoum Univ, Ctr High Energy Phys CHEP FU, Al Fayyum, Egypt

[33] NICPB, Tallinn, Estonia

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

[35] Helsinki Inst Phys, Helsinki, Finland

[36] Lappeenranta Univ Technol, Lappeenranta, Finland

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

[38] Ecole Polytech, Lab Leprince Ringuet, Inst Polytech Paris, CNRS IN2P3, Palaiseau, France

[39] Univ Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France

[40] Inst Phys 2 Infinis Lyon IP2I, Villeurbanne, France

[41] Georgian Tech Univ, Tbilisi, Georgia

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

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

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

[45] DESY, Hamburg, Germany

[46] Univ Hamburg, Hamburg, Germany

[47] Karlsruher Inst Technol, Karlsruhe, Germany

[48] NCSR Demokritos, Inst Nucl & Particle Phys INPP, Aghia Paraskevi, Greece

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

[50] Natl Tech Univ Athens, Athens, Greece

来源：

PHYSICAL REVIEW D | 2022年 / 105卷 / 09期

基金：

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

关键词：

BROKEN SYMMETRIES; DARK-MATTER; GAUGE; MASS;

D O I：

10.1103/PhysRevD.105.092007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for invisible decays of the Higgs boson produced via vector boson fusion (VBF) has been performed with 101 fb(-1) of proton-proton collisions delivered by the LHC at root s = 13 TeV and collected by the CMS detector in 2017 and 2018. The sensitivity to the VBF production mechanism is enhanced by constructing two analysis categories, one based on missing transverse momentum and a second based on the properties of jets. In addition to control regions with Z and W boson candidate events, a highly populated control region, based on the production of a photon in association with jets, is used to constrain the dominant irreducible background from the invisible decay of a Z boson produced in association with jets. The results of this search arc combined with all previous measurements in the VBF topology, based on data collected in 2012 (at root s = 8 TeV), 2015, and 2016, corresponding to integrated luminosities of 19.7, 2.3, and 36.3 fb(-1), respectively. The observed (expected) upper limit on the invisible branching fraction of the Higgs boson is found to be 0.18 (0.10) at the 95% confidence level, assuming the standard model production cross section. The results are also interpreted in the context of Higgs-portal models.

引用

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