Measurement of the cross section for electroweak production of a Z boson, a photon and two jets in proton-proton collisions at √s=13TeV and constraints on anomalous quartic couplings

被引：0

作者：

Sirunyan, A. M. ^{[1
]}

Tumasyan, A. ^{[1
]}

Adam, W. ^{[2
]}

Ambrogi, F. ^{[2
]}

Bergauer, T. ^{[2
]}

Brandstetter, J. ^{[2
]}

Dragicevic, M. ^{[2
]}

Eroe, J. ^{[2
]}

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

Flechl, M. ^{[2
]}

Fruehwirth, R. ^{[2
,214
]}

Jeitler, M. ^{[2
,214
]}

Krammer, N. ^{[2
]}

Kraetschmer, I ^{[2
]}

Liko, D. ^{[2
]}

Madlener, T. ^{[2
]}

Mikulec, I ^{[2
]}

Rad, N. ^{[2
]}

Schieck, J. ^{[2
,214
]}

Schoefbeck, R. ^{[2
]}

Spanring, M. ^{[2
]}

Spitzbart, D. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C-E ^{[2
,214
]}

Zarucki, M. ^{[2
]}

Drugakov, V ^{[3
]}

Mossolov, V ^{[3
]}

Gonzalez, J. Suarez ^{[3
]}

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

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

Di Croce, D. ^{[4
]}

Janssen, X. ^{[4
]}

Lelek, A. ^{[4
]}

Pieters, M. ^{[4
]}

Sfar, H. Rejeb ^{[4
]}

Van Haevermaet, H. ^{[4
]}

Van Mechelen, P. ^{[4
]}

Van Putte, S. ^{[4
]}

Van Remortel, N. ^{[4
]}

Blekman, F. ^{[5
]}

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

Chhibra, S. S. ^{[5
]}

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

De Clercq, J. ^{[5
]}

Lontkovskyi, D. ^{[5
]}

Lowette, S. ^{[5
]}

Marchesini, I ^{[5
]}

Moortgat, S. ^{[5
]}

Python, Q. ^{[5
]}

Skovpen, K. ^{[5
]}

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 Estadual Paulista, Sao Paulo, Brazil

[12] Univ Fed ABC, Sao Paulo, Brazil

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

[14] Univ Sofia, Sofia, Bulgaria

[15] Beihang Univ, Beijing, Peoples R China

[16] Tsinghua Univ, Dept Phys, 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] Zhejiang Univ, Hangzhou, Peoples R China

[20] Univ Los Andes, Bogota, Colombia

[21] Univ Antioquia, Medellin, Colombia

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

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

[24] Inst Rudjer Boskovic, Zagreb, Croatia

[25] Univ Cyprus, Nicosia, Cyprus

[26] Charles Univ Prague, Prague, Czech Republic

[27] Escuela Politec Nacl, Quito, Ecuador

[28] Univ San Francisco Quito, Quito, Ecuador

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

[30] NICPB, Tallinn, Estonia

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

[32] Helsinki Inst Phys, Helsinki, Finland

[33] Lappeenranta Univ Technol, Lappeenranta, Finland

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

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

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

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

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

[39] Georgian Tech Univ, Tbilisi, Georgia

[40] Tbilisi State Univ, Tbilisi, Georgia

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

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

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

[44] DESY, Hamburg, Germany

[45] Univ Hamburg, Hamburg, Germany

[46] Karlsruher Inst Technol, Karlsruhe, Germany

[47] NCSR Demokritos, Inst Nucl & Particle Phys 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 | 2020年 / 06期

基金：

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

关键词：

Electroweak interaction; Hadron-Hadron scattering (experiments); ASSOCIATION;

D O I：

10.1007/JHEP06(2020)076

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 measurement is presented of the cross section for electroweak production of a Z boson and a photon in association with two jets (Z gamma jj) in proton-proton collisions. The Z boson candidates are selected through their decay into a pair of electrons or muons. The process of interest, electroweak Z gamma jj production, is isolated by selecting events with a large dijet mass and a large pseudorapidity gap between the two jets. The measurement is based on data collected at the CMS experiment at root s = 13 TeV, corresponding to an integrated luminosity of 35.9 fb(-1). The observed significance of the signal is 3.9 standard deviations, where a significance of 5.2 standard deviations is expected in the standard model. These results are combined with published results by CMS at root s = 8 TeV, which leads to observed and expected respective significances of 4.7 and 5.5 standard deviations. From the 13 TeV data, a value is obtained for the signal strength of electroweak Z gamma jj production and bounds are given on quartic vector boson interactions in the framework of dimension-eight effective field theory operators.

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页数：42

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[1] Measurement of the electroweak production of Zγ and two jets in proton-proton collisions at √s=13 TeV and constraints on anomalous quartic gauge couplings
Tumasyan, A.
Adam, W.
Andrejkovic, J. W.
Bergauer, T.
Chatterjee, S.
Dragicevic, M.
Del Valle, A. Escalante
Fruhwirth, R.
Jeitler, M.
Krammer, N.
Lechner, L.
Liko, D.
Mikulec, I
Paulitsch, P.
Pitters, F. M.
Schieck, J.
Schofbeck, R.
Spanring, M.
Templ, S.
Waltenberger, W.
Wulz, C-E
Chekhovsky, V
Litomin, A.
Makarenko, V
Darwish, M. R.
De Wolf, E. A.
Janssen, T.
Kello, T.
Lelek, A.
Sfar, H. Rejeb
Van Mechelen, P.
Van Putte, S.
Van Remortel, N.
Blekman, F.
Bols, E. S.
D'Hondt, J.
Delcourt, M.
El Faham, H.
Lowette, S.
Moortgat, S.
Morton, A.
Muller, D.
Sahasransu, A. R.
Tavernier, S.
Van Doninck, W.
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PHYSICAL REVIEW D, 2021, 104 (07)
[2] Measurement of the cross section for electroweak production of Zγ in association with two jets and constraints on anomalous quartic gauge couplings in proton-proton collisions at √s=8 TeV
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Asilar, E.
Bergauer, T.
Brandstetter, J.
Brondolin, E.
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Eroe, J.
Flechl, M.
Friedl, M.
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Matsushita, T.
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Strauss, J.
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PHYSICS LETTERS B, 2017, 770 : 380 - 402
[3] Electroweak production of two jets in association with a Z boson in proton-proton collisions √s =13 TeV
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[4] Measurement of electroweak production of two jets in association with a Z boson in proton-proton collisions at √s=8 TeV
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[5] Measurement of vector boson scattering and constraints on anomalous quartic couplings from events with four leptons and two jets in proton-proton collisions at √s=13 TeV
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Asilar, E.
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Brandstetter, J.
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Friedl, M.
Fruehwirth, R.
Ghete, V. M.
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Mossolov, V.
Gonzalez, J. Suarez
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Janssen, X.
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Van Haevermaet, H.
Van Mechelen, P.
Van Remortel, N.
Abu Zeid, S.
Blekman, F.
D'Hondt, J.
De Bruyn, I
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Lontkovskyi, D.
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[7] Measurement of the production cross section for Z plus b jets in proton-proton collisions at √s=13 TeV
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Liko, D.
Mikulec, I
Paulitsch, P.
Pitters, F. M.
Schieck, J.
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Wulz, C-E
Chekhovsky, V
Litomin, A.
Makarenko, V
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Janssen, T.
Kello, T.
Lelek, A.
Sfar, H. Rejeb
Van Mechelen, P.
Van Putte, S.
Van Remortel, N.
Blekman, F.
Bols, E. S.
D'Hondt, J.
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El Faham, H.
Lowette, S.
Moortgat, S.
Morton, A.
Muller, D.
Sahasransu, A. R.
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[8] Measurements of the Higgs boson production cross section and couplings in the W boson pair decay channel in proton-proton collisions at √s=13TeV
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Bergauer, T.
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Damanakis, K.
Dragicevic, M.
Del Valle, A. Escalante
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Liko, D.
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Paulitsch, P.
Pitters, F. M.
Schieck, J.
Schoefbeck, R.
Schwarz, D.
Templ, S.
Waltenberger, W.
Wulz, C. -E.
Darwish, M. R.
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Van Mechelen, P.
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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.
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Jaramillo, J.
Lee, K.
Mahdavikhorrami, M.
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Malara, A.
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[9] Search for anomalous electroweak production of vector boson pairs in association with two jets in proton-proton collisions at 13 TeV
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Asilar, E.
Bergauer, T.
Brandstetter, J.
Dragicevic, M.
Eroe, J.
Del Valle, A. Escalante
Flechl, M.
Fruehwirth, R.
Ghete, V. M.
Hrubec, J.
Jeitler, M.
Krammer, N.
Kraetschmer, I
Liko, D.
Madlener, T.
Mikulec, I
Rad, N.
Rohringer, H.
Schieck, J.
Schoefbeck, R.
Spanring, M.
Spitzbart, D.
Waltenberger, W.
Wittmann, J.
Wulz, C-E
Zarucki, M.
Chekhovsky, V
Mossolov, V
Gonzalez, J. Suarez
De Wolf, E. A.
Di Croce, D.
Janssen, X.
Lauwers, J.
Lelek, A.
Pieters, M.
Van Haevermaet, H.
Van Mechelen, P.
Van Remortel, N.
Blekman, F.
D'Hondt, J.
De Clercq, J.
Deroover, K.
Flouris, G.
Lontkovskyi, D.
Lowette, S.
Marchesini, I
PHYSICS LETTERS B, 2019, 798
[10] Measurement of differential cross sections for the production of a Z boson in association with jets in proton-proton collisions at √s=13 TeV
Tumasyan, A.
Adam, W.
Andrejkovic, J. W.
Bergauer, T.
Chatterjee, S.
Dragicevic, M.
Del Valle, Escalante
Fruhwirth, R.
Jeitler, M.
Krammer, N.
Lechner, L.
Liko, D.
Mikulec, I.
Pitters, F. M.
Schieck, J.
Schoefbeck, R.
Spanring, M.
Templ, S.
Waltenberger, W.
Wulz, C. -E.
Darwish, M. R.
De Wolf, E. A.
Janssen, T.
Kello, T.
Lelek, A.
Sfar, H. Rejeb
Van Mechelen, P.
Van Putte, S.
Van Remortel, N.
Blekman, F.
Bols, E. S.
D'Hondt, J.
De Clercq, J.
Delcourt, M.
Lowette, S.
Moortgat, S.
Morton, A.
Mueller, D.
Sahasransu, A. R.
Tavernier, S.
Van Doninck, W.
Van Mulders, P.
Beghin, D.
Bilin, B.
Clerbaux, B.
De Lentdecker, G.
Favart, L.
Grebenyuk, A.
Kalsi, A. K.
Lee, K.
PHYSICAL REVIEW D, 2023, 108 (05)

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