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Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC

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

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Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC. / ATLAS Collaboration ; Yexley, Melissa.
In: Journal of Instrumentation, Vol. 18, No. 11, T11004, 30.11.2023.

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

Harvard

ATLAS Collaboration & Yexley, M 2023, 'Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC', Journal of Instrumentation, vol. 18, no. 11, T11004. https://doi.org/10.1088/1748-0221/18/11/t11004

APA

ATLAS Collaboration, & Yexley, M. (2023). Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC. Journal of Instrumentation, 18(11), Article T11004. https://doi.org/10.1088/1748-0221/18/11/t11004

Vancouver

ATLAS Collaboration, Yexley M. Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC. Journal of Instrumentation. 2023 Nov 30;18(11):T11004. doi: 10.1088/1748-0221/18/11/t11004

Author

ATLAS Collaboration ; Yexley, Melissa. / Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC. In: Journal of Instrumentation. 2023 ; Vol. 18, No. 11.

Bibtex

@article{b581d569d8464a4e8fcd4d88490d4b1b,
title = "Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC",
abstract = "Measurements and searches performed with the ATLAS detector at the CERN LHC often involve signatures with one or more prompt leptons. Such analyses are subject to `fake/non-prompt' lepton backgrounds, where either a hadron or a lepton from a hadron decay or an electron from a photon conversion satisfies the prompt-lepton selection criteria. These backgrounds often arise within a hadronic jet because of particle decays in the showering process, particle misidentification or particle interactions with the detector material. As it is challenging to model these processes with high accuracy in simulation, their estimation typically uses data-driven methods. Three methods for carrying out this estimation are described, along with their implementation in ATLAS and their performance.",
keywords = "Analysis and statistical methods, Particle identification methods",
author = "{ATLAS Collaboration} and A.E. Barton and I.A. Bertram and G. Borissov and E.V. Bouhova-Thacker and R.A.M. Ferguson and H. Fox and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and P.A. Love and E.J. Marshall and L. Meng and D. Muenstermann and N. Ribaric and K. Rybacki and M. Smizanska and S. Spinali and A.M. Wharton and Melissa Yexley",
year = "2023",
month = nov,
day = "30",
doi = "10.1088/1748-0221/18/11/t11004",
language = "English",
volume = "18",
journal = "Journal of Instrumentation",
issn = "1748-0221",
publisher = "Institute of Physics Publishing",
number = "11",

}

RIS

TY - JOUR

T1 - Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC

AU - ATLAS Collaboration

AU - Barton, A.E.

AU - Bertram, I.A.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Ferguson, R.A.M.

AU - Fox, H.

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Love, P.A.

AU - Marshall, E.J.

AU - Meng, L.

AU - Muenstermann, D.

AU - Ribaric, N.

AU - Rybacki, K.

AU - Smizanska, M.

AU - Spinali, S.

AU - Wharton, A.M.

AU - Yexley, Melissa

PY - 2023/11/30

Y1 - 2023/11/30

N2 - Measurements and searches performed with the ATLAS detector at the CERN LHC often involve signatures with one or more prompt leptons. Such analyses are subject to `fake/non-prompt' lepton backgrounds, where either a hadron or a lepton from a hadron decay or an electron from a photon conversion satisfies the prompt-lepton selection criteria. These backgrounds often arise within a hadronic jet because of particle decays in the showering process, particle misidentification or particle interactions with the detector material. As it is challenging to model these processes with high accuracy in simulation, their estimation typically uses data-driven methods. Three methods for carrying out this estimation are described, along with their implementation in ATLAS and their performance.

AB - Measurements and searches performed with the ATLAS detector at the CERN LHC often involve signatures with one or more prompt leptons. Such analyses are subject to `fake/non-prompt' lepton backgrounds, where either a hadron or a lepton from a hadron decay or an electron from a photon conversion satisfies the prompt-lepton selection criteria. These backgrounds often arise within a hadronic jet because of particle decays in the showering process, particle misidentification or particle interactions with the detector material. As it is challenging to model these processes with high accuracy in simulation, their estimation typically uses data-driven methods. Three methods for carrying out this estimation are described, along with their implementation in ATLAS and their performance.

KW - Analysis and statistical methods

KW - Particle identification methods

U2 - 10.1088/1748-0221/18/11/t11004

DO - 10.1088/1748-0221/18/11/t11004

M3 - Journal article

VL - 18

JO - Journal of Instrumentation

JF - Journal of Instrumentation

SN - 1748-0221

IS - 11

M1 - T11004

ER -