Search for supersymmetry in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at √s=13 TeV

被引：0

作者：

Tumasyan, A. ^{[1
]}

Adam, W. ^{[2
]}

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

Bergauer, T. ^{[2
]}

Chatterjee, S. ^{[2
]}

Dragicevic, M. ^{[2
]}

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

Fruhwirth, R. ^{[2
,217
]}

Jeitler, M. ^{[2
,217
]}

Krammer, N. ^{[2
]}

Lechner, L. ^{[2
]}

Liko, D. ^{[2
]}

Mikulec, I ^{[2
]}

Paulitsch, P. ^{[2
]}

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

Schieck, J. ^{[2
,217
]}

Schofbeck, R. ^{[2
]}

Spanring, M. ^{[2
]}

Templ, S. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C-E ^{[2
,217
]}

Chekhovsky, V ^{[3
]}

Litomin, A. ^{[3
]}

Makarenko, V ^{[3
]}

Darwish, M. R. ^{[4
,218
]}

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

Janssen, T. ^{[4
]}

Kello, T. ^{[4
,17
]}

Lelek, A. ^{[4
]}

Sfar, H. Rejeb ^{[4
]}

Van Mechelen, P. ^{[4
]}

Van Putte, S. ^{[4
]}

Van Remortel, N. ^{[4
]}

Blekman, F. ^{[5
]}

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

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

De Clercq, J. ^{[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
]}

Van Mulders, P. ^{[5
]}

Stylianou, N. ^{[5
,166
]}

Beghin, D. ^{[6
]}

Bilin, 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 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] Sun Yat Sen Univ, Guangzhou, Peoples R China

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

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

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

[23] Univ Los Andes, Bogota, Colombia

[24] Univ Antioquia, Medellin, Colombia

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

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

[27] Inst Rudjer Boskovic, Zagreb, Croatia

[28] Univ Cyprus, Nicosia, Cyprus

[29] Charles Univ Prague, Prague, Czech Republic

[30] Escuela Politec Nacl, Quito, Ecuador

[31] Univ San Francisco Quito, Quito, Ecuador

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

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

[34] NICPB, Tallinn, Estonia

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

[36] Helsinki Inst Phys, Helsinki, Finland

[37] Lappeenranta Univ Technol, Lappeenranta, Finland

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

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

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

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

[42] Georgian Tech Univ, Tbilisi, Georgia

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

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

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

[46] DESY, Hamburg, Germany

[47] Univ Hamburg, Hamburg, Germany

[48] Karlsruher Inst Technol, Karlsruhe, Germany

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

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

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2022年 / 04期

基金：

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

关键词：

Hadron-Hadron Scattering; Supersymmetry; FORTRAN CODE; PARTICLES; DECAYS; MODELS; BREAKING; PROGRAM; PHYSICS;

D O I：

10.1007/JHEP04(2022)091

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 supersymmetry in events with two or three low-momentum leptons and missing transverse momentum is performed. The search uses proton-proton collisions at root s = 13TeV collected in the three-year period 2016-2018 by the CMS experiment at the LHC and corresponding to an integrated luminosity of up to 137 fb(-1). The data are found to be in agreement with expectations from standard model processes. The results are interpreted in terms of electroweakino and top squark pair production with a small mass difference between the produced supersymmetric particles and the lightest neutralino. For the electroweakino interpretation, two simplified models are used, a wino-bino model and a higgsino model. Exclusion limits at 95% confidence level are set on (X) over tilde (0)(2) /(X) over tilde (+/-)(1) masses up to 275 GeV for a mass difference of 10 GeV in the wino-bino case, and up to 205(150) GeV for a mass difference of 7.5 (3) GeV in the higgsino case. The results for the higgsino are further interpreted using a phenomenological minimal supersymmetric standard model, excluding the higgsino mass parameter mu up to 180 GeV with the bino mass parameter M-1 at 800 GeV. In the top squark interpretation, exclusion limits are set at top squark masses up to 540 GeV for four-body top squark decays and up to 480 GeV for chargino-mediated decays with a mass difference of 30 GeV.

引用

页数：58

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[48] Search for long-lived particles using nonprompt jets and missing transverse momentum with proton-proton collisions at √s=13 TeV
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Mossolov, V
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Di Croce, D.
Janssen, X.
Lelek, A.
Pieters, M.
Sfar, H. Rejeb
Van Haevermaet, H.
Van Mechelen, P.
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Van Remortel, N.
Blekman, F.
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Chhibra, S. S.
D'Hondt, J.
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[49] Search for long-lived particles using displaced vertices and missing transverse momentum in proton-proton collisions at √s=13 TeV
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Tumasyan, A.
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Bergauer, T.
Chatterjee, S.
Damanakis, K.
Dragicevic, M.
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Krammer, N.
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Mikulec, I.
Schieck, J.
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Templ, S.
Waltenberger, W.
Wulz, C. -E.
Darwish, M. R.
Janssen, T.
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Bols, E. S.
D'Hondt, J.
Dansana, S.
De Moor, A.
Delcourt, M.
Lowette, S.
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Mueller, D.
Tavernier, S.
Tytgat, M.
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Van Putte, S.
Vannerom, D.
Clerbaux, B.
Das, A. K.
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Evard, H.
Favart, L.
Gianneios, P.
Hohov, D.
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Lee, K.
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[50] Search for excited leptons in proton-proton collisions at √s=8 TeV
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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.
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Koenig, A.
Krammer, M.
Kraetschmer, I.
Liko, D.
Matsushita, T.
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Schieck, J.
Schoefbeck, R.
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Janssen, X.
Knutsson, A.
Lauwers, J.
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Van Spilbeeck, A.
JOURNAL OF HIGH ENERGY PHYSICS, 2016, (03):

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