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Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector. / ATLAS Collaboration.
In: European Physical Journal C, Vol. 81, No. 10, 860, 01.10.2021.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

ATLAS Collaboration 2021, 'Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector', European Physical Journal C, vol. 81, no. 10, 860. https://doi.org/10.1140/epjc/s10052-021-09566-y

APA

ATLAS Collaboration (2021). Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector. European Physical Journal C, 81(10), Article 860. https://doi.org/10.1140/epjc/s10052-021-09566-y

Vancouver

ATLAS Collaboration. Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector. European Physical Journal C. 2021 Oct 1;81(10):860. doi: 10.1140/epjc/s10052-021-09566-y

Author

ATLAS Collaboration. / Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector. In: European Physical Journal C. 2021 ; Vol. 81, No. 10.

Bibtex

@article{cb7e57570e084c99ac86ad20cdfe1969,
title = "Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector",
abstract = "This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, a, which decays into the dark-matter particles. Processes where the pseudoscalar mediator is produced in association with a single top quark in the 2HDM+a model are explored for the first time at the LHC. Several final states which include either one or two charged leptons (electrons or muons) and a significant amount of missing transverse momentum are considered. The analysis is based on proton–proton collision data collected with the ATLAS experiment at s√=13 TeV during LHC Run 2 (2015–2018), corresponding to an integrated luminosity of 139 fb−1. No significant excess above the Standard Model predictions is found. The results are expressed as 95% confidence-level limits on the parameters of the signal models considered.",
author = "{ATLAS Collaboration} and A.E. Barton and I.A. Bertram and G. Borissov and E.V. Bouhova-Thacker and H. Fox and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and R.E. Long and P.A. Love and D. Muenstermann and Izaac Sanderswood and M. Smizanska and A.S. Tee and A.M. Wharton and B.W. Whitmore and Melissa Yexley",
year = "2021",
month = oct,
day = "1",
doi = "10.1140/epjc/s10052-021-09566-y",
language = "English",
volume = "81",
journal = "European Physical Journal C",
number = "10",

}

RIS

TY - JOUR

T1 - Search for dark matter produced in association with a single top quark in √s=13 TeV pp collisions with the ATLAS detector

AU - ATLAS Collaboration

AU - Barton, A.E.

AU - Bertram, I.A.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Fox, H.

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Long, R.E.

AU - Love, P.A.

AU - Muenstermann, D.

AU - Sanderswood, Izaac

AU - Smizanska, M.

AU - Tee, A.S.

AU - Wharton, A.M.

AU - Whitmore, B.W.

AU - Yexley, Melissa

PY - 2021/10/1

Y1 - 2021/10/1

N2 - This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, a, which decays into the dark-matter particles. Processes where the pseudoscalar mediator is produced in association with a single top quark in the 2HDM+a model are explored for the first time at the LHC. Several final states which include either one or two charged leptons (electrons or muons) and a significant amount of missing transverse momentum are considered. The analysis is based on proton–proton collision data collected with the ATLAS experiment at s√=13 TeV during LHC Run 2 (2015–2018), corresponding to an integrated luminosity of 139 fb−1. No significant excess above the Standard Model predictions is found. The results are expressed as 95% confidence-level limits on the parameters of the signal models considered.

AB - This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, a, which decays into the dark-matter particles. Processes where the pseudoscalar mediator is produced in association with a single top quark in the 2HDM+a model are explored for the first time at the LHC. Several final states which include either one or two charged leptons (electrons or muons) and a significant amount of missing transverse momentum are considered. The analysis is based on proton–proton collision data collected with the ATLAS experiment at s√=13 TeV during LHC Run 2 (2015–2018), corresponding to an integrated luminosity of 139 fb−1. No significant excess above the Standard Model predictions is found. The results are expressed as 95% confidence-level limits on the parameters of the signal models considered.

U2 - 10.1140/epjc/s10052-021-09566-y

DO - 10.1140/epjc/s10052-021-09566-y

M3 - Journal article

VL - 81

JO - European Physical Journal C

JF - European Physical Journal C

IS - 10

M1 - 860

ER -