Measurements of [Formula omitted] production in decay topologies inspired by searches for electroweak supersymmetry

This paper presents a measurement of fiducial and differential cross-sections for [Formula omitted] production in proton-proton collisions at [Formula omitted] TeV with the ATLAS experiment at the Large Hadron Collider using a dataset corresponding to an integrated luminosity of 139 fb [Formula omit...

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Vydané v:The European physical journal. C, Particles and fields Ročník 83; číslo 8
Hlavní autori: Aad, G, Abbott, B, Abbott, D. C, Abeling, K, Abidi, S. H, Aboulhorma, A, Abramowicz, H
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Springer 01.08.2023
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Collisions (Nuclear physics)
Particle accelerators
Quarks
ISSN:1434-6044
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Abstract This paper presents a measurement of fiducial and differential cross-sections for [Formula omitted] production in proton-proton collisions at [Formula omitted] TeV with the ATLAS experiment at the Large Hadron Collider using a dataset corresponding to an integrated luminosity of 139 fb [Formula omitted]. Events with exactly one electron, one muon and no hadronic jets are studied. The fiducial region in which the measurements are performed is inspired by searches for the electroweak production of supersymmetric charginos decaying to two-lepton final states. The selected events have moderate values of missing transverse momentum and the 'stransverse mass' variable [Formula omitted], which is widely used in searches for supersymmetry at the LHC. The ranges of these variables are chosen so that the acceptance is enhanced for direct [Formula omitted] production and suppressed for production via top quarks, which is treated as a background. The fiducial cross-section and particle-level differential cross-sections for six variables are measured and compared with two theoretical SM predictions from perturbative QCD calculations.
AbstractList This paper presents a measurement of fiducial and differential cross-sections for [Formula omitted] production in proton-proton collisions at [Formula omitted] TeV with the ATLAS experiment at the Large Hadron Collider using a dataset corresponding to an integrated luminosity of 139 fb [Formula omitted]. Events with exactly one electron, one muon and no hadronic jets are studied. The fiducial region in which the measurements are performed is inspired by searches for the electroweak production of supersymmetric charginos decaying to two-lepton final states. The selected events have moderate values of missing transverse momentum and the 'stransverse mass' variable [Formula omitted], which is widely used in searches for supersymmetry at the LHC. The ranges of these variables are chosen so that the acceptance is enhanced for direct [Formula omitted] production and suppressed for production via top quarks, which is treated as a background. The fiducial cross-section and particle-level differential cross-sections for six variables are measured and compared with two theoretical SM predictions from perturbative QCD calculations.
Audience Academic
Author Aboulhorma, A
Abidi, S. H
Abeling, K
Abbott, B
Abbott, D. C
Abramowicz, H
Aad, G
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Title Measurements of [Formula omitted] production in decay topologies inspired by searches for electroweak supersymmetry
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