Search for Higgs Boson Decay to a Charm Quark-Antiquark Pair in Proton-Proton Collisions at √s=13 TeV

被引：22

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
]}

Hussain, P. S. ^{[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
]}

Janssen, T. ^{[3
]}

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

Sfar, H. Rejeb ^{[3
]}

Van Mechelen, P. ^{[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
]}

Clerbaux, B. ^{[5
]}

De Lentdecker, G. ^{[5
]}

Favart, L. ^{[5
]}

Hohov, D. ^{[5
]}

Jaramillo, J. ^{[5
]}

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

Mahdavikhorrami, M. ^{[5
]}

Makarenko, I. ^{[5
]}

Malara, A. ^{[5
]}

Paredes, S. ^{[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] Univ Tarapaca, Inst Alta Invest, Casilla 7 D, Arica, Chile

[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] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, 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 Lahti Univ Technol, Lappeenranta, Finland

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

[38] Inst Polytech Paris, Ecole Polytech, CNRS, Lab Leprince Ringuet,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 LETTERS | 2023年 / 131卷 / 06期

基金：

巴西圣保罗研究基金会; 芬兰科学院;

关键词：

HADRON; STRAHLUNG; PROGRAM;

D O I：

10.1103/PhysRevLett.131.061801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A search for the standard model Higgs boson decaying to a charm quark-antiquark pair, H ? cc-, produced in association with a leptonically decaying V (W or Z) boson is presented. The search is performed with proton-proton collisions at vs = 13 TeV collected by the CMS experiment, corresponding to an integrated luminosity of 138 fb-1. Novel charm jet identification and analysis methods using machine learning techniques are employed. The analysis is validated by searching for Z ? cc- in VZ events, leading to its first observation at a hadron collider with a significance of 5.7 standard deviations. The observed (expected) upper limit on s(VH)B(H ? cc-) is 0.94 (0.50(-0.15)(+0.22) )pb at 95% confidence level (C.L.), corresponding to 14 (7.6(-2.3)(+3.4)) times the standard model prediction. For the Higgs-charm Yukawa coupling modifier, ?c, the observed (expected) 95% C.L. interval is 1.1 < |?(c)| < 5.5 (|?(c)| < 3.4), the most stringent constraint to date.

引用

页数：21

共 50 条

[21] Search for associated production of a Higgs boson and a single top quark in proton-proton collisions at root s=13 TeV
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Asilar, E.
Bergauer, T.
Brandstetter, J.
Brondolin, E.
Dragicevic, M.
Eroe, J.
Del Valle, A. Escalante
Flechl, M.
Friedl, M.
Fruehwirth, R.
Ghete, V. M.
Grossmann, J.
Hrubec, J.
Jeitler, M.
Koenig, A.
Krammer, N.
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Liko, D.
Madlener, T.
Mikulec, I.
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Schieck, J.
Schoefbeck, R.
Spanring, M.
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[22] Search for the Higgs Boson Decaying to Two Muons in Proton-Proton Collisions at √s=13 TeV
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Brondolin, E.
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Eroe, J.
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Flechl, M.
Fruehwirth, R.
Ghete, V. M.
Hrubec, J.
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[23] Search for a heavy Higgs boson decaying to a pair of W bosons in proton-proton collisions at 13 TeV with CMS
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[24] Measurements of Higgs boson properties in the diphoton decay channel in proton-proton collisions at √s=13 TeV
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Eroe, J.
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JOURNAL OF HIGH ENERGY PHYSICS, 2018, (11):
[25] Search for a charged Higgs boson decaying into a heavy neutral Higgs boson and a W boson in proton-proton collisions at √s=13 TeV
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Adam, W.
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Bergauer, T.
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Janssen, T.
Kello, T.
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[26] Search for a vector-like quark T′→ tH via the diphoton decay mode of the Higgs boson in proton-proton collisions at √s=13 TeV
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D'Hondt, J.
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Mueller, D.
Sahasransu, A. R.
Tavernier, S.
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Vannerom, D.
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Hussain, P. S.
Jeitler, M.
Krammer, N.
Lechner, L.
Liko, D.
Mikulec, I.
Paulitsch, P.
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Schoefbeck, R.
Schwarz, D.
Templ, S.
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Wulz, C. -E.
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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.
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EUROPEAN PHYSICAL JOURNAL C, 2023, 83 (10):
[28] Search for the associated production of a Higgs boson with a single top quark in proton-proton collisions at √s=8 TeV
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Bergauer, T.
Brandstetter, J.
Brondolin, E.
Dragicevic, M.
Ero, J.
Flechl, M.
Friedl, M.
Fruhwirth, R.
Ghete, V. M.
Hartl, C.
Hormann, N.
Hrubec, J.
Jeitler, M.
Knunz, V.
Konig, A.
Krammer, M.
Kratschmer, I.
Liko, D.
Matsushita, T.
Mikulec, I.
Rabady, D.
Rahbaran, B.
Rohringer, H.
Schieck, J.
Schofbeck, R.
Strauss, J.
Treberer-Treberspurg, W.
Waltenberger, W.
Wulz, C. -E.
Mossolov, V.
Shumeiko, N.
Gonzalez, J. Suarez
Alderweireldt, S.
Cornelis, T.
De Wolf, E. A.
Janssen, X.
Knutsson, A.
Lauwers, J.
Luyckx, S.
Van De Klundert, M.
Van Haevermaet, H.
Van Mechelen, P.
Van Remortel, N.
Van Spilbeeck, A.
Abu Zeid, S.
JOURNAL OF HIGH ENERGY PHYSICS, 2016, (06):
[29] Search for Higgs boson pair production in the bbτ final state in proton-proton collisions at √(s)=8 TeV
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Asilar, E.
Bergauer, T.
Brandstetter, J.
Brondolin, E.
Dragicevic, M.
Eroe, J.
Flechl, M.
Friedl, M.
Fruehwirth, R.
Ghete, V. M.
Hartl, C.
Hoermann, N.
Hrubec, J.
Jeitler, M.
Koenig, A.
Kraetschmer, I.
Liko, D.
Matsushita, T.
Mikulec, I.
Rabady, D.
Rad, N.
Rahbaran, B.
Rohringer, H.
Schieck, J.
Strauss, J.
Waltenberger, W.
Wulz, C. -E.
Chekhovsky, V.
Dvornikov, O.
Dydyshka, Y.
Emeliantchik, I.
Litomin, A.
Makarenko, V.
Mossolov, V.
Stefanovitch, R.
Gonzalez, J. Suarez
Zykunov, V.
Shumeiko, N.
Alderweireldt, S.
De Wolf, E. A.
Janssen, X.
Lauwers, J.
Van De Klundert, M.
Van Haevermaet, H.
Van Mechelen, P.
Van Remortel, N.
Van Spilbeeck, A.
PHYSICAL REVIEW D, 2017, 96 (07)
[30] Search for long-lived neutral particles decaying to quark-antiquark pairs in proton-proton collisions at √s=8 TeV
Khachatryan, V.
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Bergauer, T.
Dragicevic, M.
Eroe, J.
Fabjan, C.
Friedl, M.
Fruhwirth, R.
Ghete, V. M.
Hartl, C.
Hormann, N.
Hrubec, J.
Jeitler, M.
Kiesenhofer, W.
Knunz, V.
Krammer, M.
Kratschmer, I.
Liko, D.
Mikulec, I.
Rabady, D.
Rahbaran, B.
Rohringer, H.
Schofbeck, R.
Strauss, J.
Taurok, A.
Treberer-Treberspurg, W.
Waltenberger, W.
Wulz, C. -E.
Mossolov, V.
Shumeiko, N.
Suarez Gonzalez, J.
Alderweireldt, S.
Bansal, M.
Bansal, S.
Cornelis, T.
De Wolf, E. A.
Janssen, X.
Knutsson, A.
Luyckx, S.
Ochesanu, S.
Rougny, B. Roland R.
Van De Klundert, M.
Van Haevermaet, H.
Van Mechelen, P.
Van Remortel, N.
Van Spilbeeck, A.
Blekman, F.
Blyweert, S.
PHYSICAL REVIEW D, 2015, 91 (01)

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