Search for Higgs boson pairs decaying to WWWW, WW*ττ, and ττττ in proton-proton collisions at √s=13 TeV

被引：0

作者：

Tumasyan, A.

Adam, W. ^{[2
]}

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

Bergauer, T. ^{[2
]}

Chatterjee, S. ^{[2
]}

Damanakis, K. ^{[2
]}

Dragicevic, M. ^{[2
]}

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

Jeitler, M. ^{[2
,202
]}

Krammer, N. ^{[2
]}

Lechner, L. ^{[2
]}

Liko, D. ^{[2
]}

Mikulec, I. ^{[2
]}

Paulitsch, P. ^{[2
]}

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

Schieck, J. ^{[2
,202
]}

Schoefbeck, R. ^{[2
]}

Schwarz, D. ^{[2
]}

Templ, S. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C. -E. ^{[2
,202
]}

Darwish, M. R. ^{[3
,203
]}

De Wolf, E. A. ^{[3
]}

Janssen, T. ^{[3
]}

Kello, T. ^{[3
,5
]}

Lelek, A. ^{[3
]}

Sfar, H. Rejeb ^{[3
]}

Van Mechelen, P. ^{[3
]}

Van Remortel, N. ^{[3
]}

Bols, E. S. ^{[4
]}

D'Hondt, J. ^{[4
]}

De Moor, A. ^{[4
]}

Delcourt, M. ^{[4
]}

El Faham, H. ^{[4
]}

Lowette, S. ^{[4
]}

Moortgat, S. ^{[4
]}

Morton, A. ^{[4
]}

Mueller, D. ^{[4
]}

Sahasransu, A. R. ^{[4
]}

Tavernier, S. ^{[4
]}

Van Doninck, W. ^{[4
]}

Vannerom, D. ^{[4
]}

Beghin, D. ^{[5
]}

Clerbaux, B. ^{[5
]}

De Lentdecker, G. ^{[5
]}

Favart, L. ^{[5
]}

Jaramillo, J. ^{[5
]}

Lee, K. ^{[5
,106
]}

Mahdavikhorrami, M. ^{[5
]}

Makarenko, I. ^{[5
]}

机构：

[1] Yerevan Phys Inst, Yerevan, Armenia

[2] Inst Hochenergiephys, Vienna, Austria

[3] Univ Antwerp, Antwerp, Belgium

[4] Vrije Univ Brussel, Brussels, Belgium

[5] Univ Libre Bruxelles, Brussels, Belgium

[6] Univ Ghent, Ghent, Belgium

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

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

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

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

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

[12] Univ Sofia, Sofia, Bulgaria

[13] Beihang Univ, Beijing, Peoples R China

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

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

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

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

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

[19] Fudan Univ, Key Lab Nucl Phys & Ionbeam Applicat MOE, Shanghai, Peoples R China

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

[21] Univ Los Andes, Bogota, Colombia

[22] Univ Antioquia, Medellin, Colombia

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

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

[25] Inst Rudjer Boskovic, Zagreb, Croatia

[26] Univ Cyprus, Nicosia, Cyprus

[27] Charles Univ Prague, Prague, Czech Republic

[28] Escuela Politec Nacl, Quito, Ecuador

[29] Univ San Francisco Quito, Quito, Ecuador

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

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

[32] NICPB, Tallinn, Estonia

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

[34] Helsinki Inst Phys, Helsinki, Finland

[35] Lappeenranta Lahti Univ Technol, Lappeenranta, Finland

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

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

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

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

[40] Georgian Tech Univ, Tbilisi, Georgia

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

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

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

[44] DESY, Hamburg, Germany

[45] Univ Hamburg, Hamburg, Germany

[46] Karlsruher Inst Technol, Karlsruhe, Germany

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

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

[49] Natl Tech Univ Athens, Athens, Greece

[50] Univ Ioannina, Ioannina, Greece

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 07期

基金：

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

关键词：

Hadron-Hadron Scattering; Higgs Physics; BROKEN SYMMETRIES; HADRON COLLIDERS; GAUGE; MASS;

D O I：

10.1007/JHEP07(2023)095

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：

The results of a search for Higgs boson pair (HH) production in the (WWWW*)-W-*, WW*tau tau, and tau tau tau tau decay modes are presented. The search uses 138 fb(-1) of proton-proton collision data recorded by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV from 2016 to 2018. Analyzed events contain two, three, or four reconstructed leptons, including electrons, muons, and hadronically decaying tau leptons. No evidence for a signal is found in the data. Upper limits are set on the cross section for nonresonant HH production, as well as resonant production in which a new heavy particle decays to a pair of Higgs bosons. For nonresonant production, the observed (expected) upper limit on the cross section at 95% confidence level (CL) is 21.3 (19.4) times the standard model (SM) prediction. The observed (expected) ratio of the trilinear Higgs boson self-coupling to its value in the SM is constrained to be within the interval -6.9 to 11.1 (-6.9 to 11.7) at 95% CL, and limits are set on a variety of new-physics models using an effective field theory approach. The observed (expected) limits on the cross section for resonant HH production range from 0.18 to 0.90 (0.08 to 1.06) pb at 95% CL for new heavy-particle masses in the range 250-1000 GeV.

引用

页数：65

共 50 条

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Van Haevermaet, H.
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Blekman, F.
D'Hondt, J.
Daci, N.
JOURNAL OF HIGH ENERGY PHYSICS, 2017, (10):

← 1 2 3 4 5 →

Search for Higgs boson pairs decaying to WW*WW*, WW*ττ, and ττττ in proton-proton collisions at √s=13 TeV

Search for Higgs boson pairs decaying to WWWW, WW*ττ, and ττττ in proton-proton collisions at √s=13 TeV