Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector

doi:10.1140/epjc/s10052-020-8050-3

Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector

Research output: Contribution to journal › Article › peer-review

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Abstract

The results of a search for electroweakino pair production pp→χ~1±χ~20 in which the chargino (χ~1±) decays into a W boson and the lightest neutralino (χ~10), while the heavier neutralino (χ~20) decays into the Standard Model 125 GeV Higgs boson and a second χ~10 are presented. The signal selection requires a pair of b-tagged jets consistent with those from a Higgs boson decay, and either an electron or a muon from the W boson decay, together with missing transverse momentum from the corresponding neutrino and the stable neutralinos. The analysis is based on data corresponding to 139 fb ^{- 1} of s=13 TeV pp collisions provided by the Large Hadron Collider and recorded by the ATLAS detector. No statistically significant evidence of an excess of events above the Standard Model expectation is found. Limits are set on the direct production of the electroweakinos in simplified models, assuming pure wino cross-sections. Masses of χ~1±/χ~20 up to 740 GeV are excluded at 95% confidence level for a massless χ~10.

Original language	English
Article number	691
Journal	European Physical Journal C
Volume	80
Issue number	8
DOIs	https://doi.org/10.1140/epjc/s10052-020-8050-3
Publication status	Published - 1 Aug 2020
Externally published	Yes

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Sorbonne Université Department of Physics University of Pennsylvania Russian Research Centre Kurchatov Institute Department of Physics and Astronomy University of Pittsburgh Laboratório de Instrumentação e Física Experimental de Partículas Departamento de Física University of Lisbon University of Coimbra University of Minho Departamento de FA-sica TeA3rica y del Cosmos University of Granada Dep Física and CEFITEC of Faculdade de Ciências e Tecnologia NOVA University Lisbon Czech Academy of Sciences Czech Technical University in Prague Charles University Rutherford Appleton Laboratory Université Paris-Saclay University of California at Santa Cruz Departamento de Física Pontificia Universidad Católica de Chile Department of Physics Universidad Andrés Bello Instituto de Alta Investigación Universidad de Tarapacá Departamento de Física Universidad Técnica Federico Santa Maria University of Washington Department of Physics and Astronomy University of Sheffield Department of Physics Shinshu University Department Physik University of Siegen Department of Physics Simon Fraser University SLAC National Accelerator Laboratory Physics Department KTH Royal Institute of Technology Departments of Physics and Astronomy Stony Brook University University of Sussex School of Physics The University of Sydney Academia Sinica - Institute of Physics Ivane Javakhishvili Tbilisi State University Department of Physics Technion-Israel Institute of Technology Tel Aviv University Aristotle University of Thessaloniki International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Graduate School of Science and Technology Tokyo Metropolitan University Department of Physics Tokyo Institute of Technology Tomsk State University University of Toronto TRIUMF Department of Physics and Astronomy York University Toronto Division of Physics and Tomonaga Center for the History of the Universe University of Tsukuba Department of Physics and Astronomy Tufts University Department of Physics and Astronomy University of California at Irvine Department of Physics and Astronomy Uppsala University University of Illinois at Urbana-Champaign Centro Mixto Universidad de Valencia - CSIC Department of Physics University of British Columbia Department of Physics and Astronomy University of Victoria BC Fakultät für Physik und Astronomie University of Würzburg University of Warwick Waseda University Weizmann Institute of Science University of Wisconsin-Madison Fakultät für Mathematik und Naturwissenschaften University of Wuppertal Yale University A. Alikhanian Yerevan Institute of Physics CERN (2020). Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector. European Physical Journal C, 80(8), Article 691. https://doi.org/10.1140/epjc/s10052-020-8050-3

Sorbonne Université Department of Physics University of Pennsylvania Russian Research Centre Kurchatov Institute Department of Physics and Astronomy University of Pittsburgh Laboratório de Instrumentação e Física Experimental de Partículas Departamento de Física University of Lisbon University of Coimbra University of Minho Departamento de FA-sica TeA3rica y del Cosmos University of Granada Dep Física and CEFITEC of Faculdade de Ciências e Tecnologia NOVA University Lisbon Czech Academy of Sciences Czech Technical University in Prague Charles University Rutherford Appleton Laboratory Université Paris-Saclay University of California at Santa Cruz Departamento de Física Pontificia Universidad Católica de Chile Department of Physics Universidad Andrés Bello Instituto de Alta Investigación Universidad de Tarapacá Departamento de Física Universidad Técnica Federico Santa Maria University of Washington Department of Physics and Astronomy University of Sheffield Department of Physics Shinshu University Department Physik University of Siegen Department of Physics Simon Fraser University SLAC National Accelerator Laboratory Physics Department KTH Royal Institute of Technology Departments of Physics and Astronomy Stony Brook University University of Sussex School of Physics The University of Sydney Academia Sinica - Institute of Physics Ivane Javakhishvili Tbilisi State University Department of Physics Technion-Israel Institute of Technology Tel Aviv University Aristotle University of Thessaloniki International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Graduate School of Science and Technology Tokyo Metropolitan University Department of Physics Tokyo Institute of Technology Tomsk State University University of Toronto TRIUMF Department of Physics and Astronomy York University Toronto Division of Physics and Tomonaga Center for the History of the Universe University of Tsukuba Department of Physics and Astronomy Tufts University Department of Physics and Astronomy University of California at Irvine Department of Physics and Astronomy Uppsala University University of Illinois at Urbana-Champaign Centro Mixto Universidad de Valencia - CSIC Department of Physics University of British Columbia Department of Physics and Astronomy University of Victoria BC Fakultät für Physik und Astronomie University of Würzburg University of Warwick Waseda University Weizmann Institute of Science University of Wisconsin-Madison Fakultät für Mathematik und Naturwissenschaften University of Wuppertal Yale University A. Alikhanian Yerevan Institute of Physics CERN. / Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector. In: European Physical Journal C. 2020 ; Vol. 80, No. 8.

@article{d370d2f1c2ef4bd3a296722d9499b83e,

title = "Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector",

abstract = "The results of a search for electroweakino pair production pp→χ\textasciitilde{}1±χ\textasciitilde{}20 in which the chargino (χ\textasciitilde{}1±) decays into a W boson and the lightest neutralino (χ\textasciitilde{}10), while the heavier neutralino (χ\textasciitilde{}20) decays into the Standard Model 125 GeV Higgs boson and a second χ\textasciitilde{}10 are presented. The signal selection requires a pair of b-tagged jets consistent with those from a Higgs boson decay, and either an electron or a muon from the W boson decay, together with missing transverse momentum from the corresponding neutrino and the stable neutralinos. The analysis is based on data corresponding to 139 fb - 1 of s=13 TeV pp collisions provided by the Large Hadron Collider and recorded by the ATLAS detector. No statistically significant evidence of an excess of events above the Standard Model expectation is found. Limits are set on the direct production of the electroweakinos in simplified models, assuming pure wino cross-sections. Masses of χ\textasciitilde{}1±/χ\textasciitilde{}20 up to 740 GeV are excluded at 95\% confidence level for a massless χ\textasciitilde{}10.",

author = "G. Aad and B. Abbott and Abbott, \{D. C.\} and Abud, \{A. Abed\} and K. Abeling and Abhayasinghe, \{D. K.\} and Abidi, \{S. H.\} and AbouZeid, \{O. S.\} and Abraham, \{N. L.\} and H. Abramowicz and Y. Abulaiti and H. Abreu and Acharya, \{B. S.\} and B. Achkar and S. Adachi and L. Adam and Bourdarios, \{C. Adam\} and L. Adamczyk and L. Adamek and J. Adelman and M. Adersberger and A. Adiguzel and S. Adorni and T. Adye and Affolder, \{A. A.\} and Y. Afik and C. Agapopoulou and Agaras, \{M. N.\} and A. Aggarwal and C. Agheorghiesei and Aguilar-Saavedra, \{J. A.\} and F. Ahmadov and Ahmed, \{W. S.\} and X. Ai and G. Aielli and S. Akatsuka and {\AA}kesson, \{T. P.A.\} and E. Akilli and Akimov, \{A. V.\} and Khoury, \{K. Al\} and Alberghi, \{G. L.\} and J. Albert and Verzini, \{M. J.Alconada\} and S. Alderweireldt and M. Aleksa and Aleksandrov, \{I. N.\} and C. Alexa and D. Alexandre and T. Alexopoulos and McNamara, \{P. C.\}",

note = "Publisher Copyright: {\textcopyright} 2020, CERN for the benefit of the ATLAS collaboration.",

year = "2020",

month = aug,

day = "1",

doi = "10.1140/epjc/s10052-020-8050-3",

language = "English",

volume = "80",

journal = "European Physical Journal C",

issn = "1434-6044",

publisher = "Springer Nature",

number = "8",

}

Sorbonne Université Department of Physics University of Pennsylvania Russian Research Centre Kurchatov Institute Department of Physics and Astronomy University of Pittsburgh Laboratório de Instrumentação e Física Experimental de Partículas Departamento de Física University of Lisbon University of Coimbra University of Minho Departamento de FA-sica TeA3rica y del Cosmos University of Granada Dep Física and CEFITEC of Faculdade de Ciências e Tecnologia NOVA University Lisbon Czech Academy of Sciences Czech Technical University in Prague Charles University Rutherford Appleton Laboratory Université Paris-Saclay University of California at Santa Cruz Departamento de Física Pontificia Universidad Católica de Chile Department of Physics Universidad Andrés Bello Instituto de Alta Investigación Universidad de Tarapacá Departamento de Física Universidad Técnica Federico Santa Maria University of Washington Department of Physics and Astronomy University of Sheffield Department of Physics Shinshu University Department Physik University of Siegen Department of Physics Simon Fraser University SLAC National Accelerator Laboratory Physics Department KTH Royal Institute of Technology Departments of Physics and Astronomy Stony Brook University University of Sussex School of Physics The University of Sydney Academia Sinica - Institute of Physics Ivane Javakhishvili Tbilisi State University Department of Physics Technion-Israel Institute of Technology Tel Aviv University Aristotle University of Thessaloniki International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Graduate School of Science and Technology Tokyo Metropolitan University Department of Physics Tokyo Institute of Technology Tomsk State University University of Toronto TRIUMF Department of Physics and Astronomy York University Toronto Division of Physics and Tomonaga Center for the History of the Universe University of Tsukuba Department of Physics and Astronomy Tufts University Department of Physics and Astronomy University of California at Irvine Department of Physics and Astronomy Uppsala University University of Illinois at Urbana-Champaign Centro Mixto Universidad de Valencia - CSIC Department of Physics University of British Columbia Department of Physics and Astronomy University of Victoria BC Fakultät für Physik und Astronomie University of Würzburg University of Warwick Waseda University Weizmann Institute of Science University of Wisconsin-Madison Fakultät für Mathematik und Naturwissenschaften University of Wuppertal Yale University A. Alikhanian Yerevan Institute of Physics CERN 2020, 'Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector', European Physical Journal C, vol. 80, no. 8, 691. https://doi.org/10.1140/epjc/s10052-020-8050-3

Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector. / Sorbonne Université Department of Physics University of Pennsylvania Russian Research Centre Kurchatov Institute Department of Physics and Astronomy University of Pittsburgh Laboratório de Instrumentação e Física Experimental de Partículas Departamento de Física University of Lisbon University of Coimbra University of Minho Departamento de FA-sica TeA3rica y del Cosmos University of Granada Dep Física and CEFITEC of Faculdade de Ciências e Tecnologia NOVA University Lisbon Czech Academy of Sciences Czech Technical University in Prague Charles University Rutherford Appleton Laboratory Université Paris-Saclay University of California at Santa Cruz Departamento de Física Pontificia Universidad Católica de Chile Department of Physics Universidad Andrés Bello Instituto de Alta Investigación Universidad de Tarapacá Departamento de Física Universidad Técnica Federico Santa Maria University of Washington Department of Physics and Astronomy University of Sheffield Department of Physics Shinshu University Department Physik University of Siegen Department of Physics Simon Fraser University SLAC National Accelerator Laboratory Physics Department KTH Royal Institute of Technology Departments of Physics and Astronomy Stony Brook University University of Sussex School of Physics The University of Sydney Academia Sinica - Institute of Physics Ivane Javakhishvili Tbilisi State University Department of Physics Technion-Israel Institute of Technology Tel Aviv University Aristotle University of Thessaloniki International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Graduate School of Science and Technology Tokyo Metropolitan University Department of Physics Tokyo Institute of Technology Tomsk State University University of Toronto TRIUMF Department of Physics and Astronomy York University Toronto Division of Physics and Tomonaga Center for the History of the Universe University of Tsukuba Department of Physics and Astronomy Tufts University Department of Physics and Astronomy University of California at Irvine Department of Physics and Astronomy Uppsala University University of Illinois at Urbana-Champaign Centro Mixto Universidad de Valencia - CSIC Department of Physics University of British Columbia Department of Physics and Astronomy University of Victoria BC Fakultät für Physik und Astronomie University of Würzburg University of Warwick Waseda University Weizmann Institute of Science University of Wisconsin-Madison Fakultät für Mathematik und Naturwissenschaften University of Wuppertal Yale University A. Alikhanian Yerevan Institute of Physics CERN.
In: European Physical Journal C, Vol. 80, No. 8, 691, 01.08.2020.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector

AU - Aad, G.

AU - Abbott, B.

AU - Abbott, D. C.

AU - Abud, A. Abed

AU - Abeling, K.

AU - Abhayasinghe, D. K.

AU - Abidi, S. H.

AU - AbouZeid, O. S.

AU - Abraham, N. L.

AU - Abramowicz, H.

AU - Abulaiti, Y.

AU - Abreu, H.

AU - Acharya, B. S.

AU - Achkar, B.

AU - Adachi, S.

AU - Adam, L.

AU - Bourdarios, C. Adam

AU - Adamczyk, L.

AU - Adamek, L.

AU - Adelman, J.

AU - Adersberger, M.

AU - Adiguzel, A.

AU - Adorni, S.

AU - Adye, T.

AU - Affolder, A. A.

AU - Afik, Y.

AU - Agapopoulou, C.

AU - Agaras, M. N.

AU - Aggarwal, A.

AU - Agheorghiesei, C.

AU - Aguilar-Saavedra, J. A.

AU - Ahmadov, F.

AU - Ahmed, W. S.

AU - Ai, X.

AU - Aielli, G.

AU - Akatsuka, S.

AU - Åkesson, T. P.A.

AU - Akilli, E.

AU - Akimov, A. V.

AU - Khoury, K. Al

AU - Alberghi, G. L.

AU - Albert, J.

AU - Verzini, M. J.Alconada

AU - Alderweireldt, S.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alexa, C.

AU - Alexandre, D.

AU - Alexopoulos, T.

AU - McNamara, P. C.

PY - 2020/8/1

Y1 - 2020/8/1

N2 - The results of a search for electroweakino pair production pp→χ~1±χ~20 in which the chargino (χ~1±) decays into a W boson and the lightest neutralino (χ~10), while the heavier neutralino (χ~20) decays into the Standard Model 125 GeV Higgs boson and a second χ~10 are presented. The signal selection requires a pair of b-tagged jets consistent with those from a Higgs boson decay, and either an electron or a muon from the W boson decay, together with missing transverse momentum from the corresponding neutrino and the stable neutralinos. The analysis is based on data corresponding to 139 fb - 1 of s=13 TeV pp collisions provided by the Large Hadron Collider and recorded by the ATLAS detector. No statistically significant evidence of an excess of events above the Standard Model expectation is found. Limits are set on the direct production of the electroweakinos in simplified models, assuming pure wino cross-sections. Masses of χ~1±/χ~20 up to 740 GeV are excluded at 95% confidence level for a massless χ~10.

AB - The results of a search for electroweakino pair production pp→χ~1±χ~20 in which the chargino (χ~1±) decays into a W boson and the lightest neutralino (χ~10), while the heavier neutralino (χ~20) decays into the Standard Model 125 GeV Higgs boson and a second χ~10 are presented. The signal selection requires a pair of b-tagged jets consistent with those from a Higgs boson decay, and either an electron or a muon from the W boson decay, together with missing transverse momentum from the corresponding neutrino and the stable neutralinos. The analysis is based on data corresponding to 139 fb - 1 of s=13 TeV pp collisions provided by the Large Hadron Collider and recorded by the ATLAS detector. No statistically significant evidence of an excess of events above the Standard Model expectation is found. Limits are set on the direct production of the electroweakinos in simplified models, assuming pure wino cross-sections. Masses of χ~1±/χ~20 up to 740 GeV are excluded at 95% confidence level for a massless χ~10.

UR - https://www.scopus.com/pages/publications/85090034408

U2 - 10.1140/epjc/s10052-020-8050-3

DO - 10.1140/epjc/s10052-020-8050-3

M3 - Article

SN - 1434-6044

VL - 80

JO - European Physical Journal C

JF - European Physical Journal C

IS - 8

M1 - 691

ER -

Sorbonne Université Department of Physics University of Pennsylvania Russian Research Centre Kurchatov Institute Department of Physics and Astronomy University of Pittsburgh Laboratório de Instrumentação e Física Experimental de Partículas Departamento de Física University of Lisbon University of Coimbra University of Minho Departamento de FA-sica TeA3rica y del Cosmos University of Granada Dep Física and CEFITEC of Faculdade de Ciências e Tecnologia NOVA University Lisbon Czech Academy of Sciences Czech Technical University in Prague Charles University Rutherford Appleton Laboratory Université Paris-Saclay University of California at Santa Cruz Departamento de Física Pontificia Universidad Católica de Chile Department of Physics Universidad Andrés Bello Instituto de Alta Investigación Universidad de Tarapacá Departamento de Física Universidad Técnica Federico Santa Maria University of Washington Department of Physics and Astronomy University of Sheffield Department of Physics Shinshu University Department Physik University of Siegen Department of Physics Simon Fraser University SLAC National Accelerator Laboratory Physics Department KTH Royal Institute of Technology Departments of Physics and Astronomy Stony Brook University University of Sussex School of Physics The University of Sydney Academia Sinica - Institute of Physics Ivane Javakhishvili Tbilisi State University Department of Physics Technion-Israel Institute of Technology Tel Aviv University Aristotle University of Thessaloniki International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Graduate School of Science and Technology Tokyo Metropolitan University Department of Physics Tokyo Institute of Technology Tomsk State University University of Toronto TRIUMF Department of Physics and Astronomy York University Toronto Division of Physics and Tomonaga Center for the History of the Universe University of Tsukuba Department of Physics and Astronomy Tufts University Department of Physics and Astronomy University of California at Irvine Department of Physics and Astronomy Uppsala University University of Illinois at Urbana-Champaign Centro Mixto Universidad de Valencia - CSIC Department of Physics University of British Columbia Department of Physics and Astronomy University of Victoria BC Fakultät für Physik und Astronomie University of Würzburg University of Warwick Waseda University Weizmann Institute of Science University of Wisconsin-Madison Fakultät für Mathematik und Naturwissenschaften University of Wuppertal Yale University A. Alikhanian Yerevan Institute of Physics CERN. Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector. European Physical Journal C. 2020 Aug 1;80(8):691. doi: 10.1140/epjc/s10052-020-8050-3

Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector

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