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Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV

Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at ffiffi s p ¼ 13 TeV are measured as a function of kinematic variables of the top quarks and the top quark-antiquark (t¯t) system. In addition, kinematic variables and multiplic...

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Main Authors: Sirunyan, A. M., Tumasyan, A. R., Adam, Wolfgang, Ambrogi, Federico, Asilar, Ece, Md. Ali, Mohd. Adli
Format: Article
Language:English
English
Published: American Physical Society 2018
Subjects:
Q Science (General)
QC Physics
Online Access:http://irep.iium.edu.my/70429/1/70429_Measurement%20of%20differential%20cross%20sections%20for%20the%20production_article.pdf
http://irep.iium.edu.my/70429/7/70429_Measurement%20of%20differential%20cross%20sections%20for%20the%20production_wos.pdf
http://irep.iium.edu.my/70429/
https://journals.aps.org/prd/pdf/10.1103/PhysRevD.97.112003
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spelling my.iium.irep.704292019-07-15T01:29:25Z http://irep.iium.edu.my/70429/ Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli Q Science (General) QC Physics Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at ffiffi s p ¼ 13 TeV are measured as a function of kinematic variables of the top quarks and the top quark-antiquark (t¯t) system. In addition, kinematic variables and multiplicities of jets associated with the t¯t production are measured. This analysis is based on data collected by the CMS experiment at the LHC in 2016 corresponding to an integrated luminosity of 35.8 fb−1. The measurements are performed in the lepton þ jets decay channels with a single muon or electron and jets in the final state. The differential cross sections are presented at the particle level, within a phase space close to the experimental acceptance, and at the parton level in the full phase space. The results are compared to several standard model predictions that use different methods and approximations. The kinematic variables of the top quarks and the t¯t system are reasonably described in general, though none predict all the measured distributions. In particular, the transverse momentum distribution of the top quarks is more steeply falling than predicted. The kinematic distributions and multiplicities of jets are adequately modeled by certain combinations of next-to-leadingorder calculations and parton shower models. American Physical Society 2018-06-15 Article PeerReviewed application/pdf en http://irep.iium.edu.my/70429/1/70429_Measurement%20of%20differential%20cross%20sections%20for%20the%20production_article.pdf application/pdf en http://irep.iium.edu.my/70429/7/70429_Measurement%20of%20differential%20cross%20sections%20for%20the%20production_wos.pdf Sirunyan, A. M. and Tumasyan, A. R. and Adam, Wolfgang and Ambrogi, Federico and Asilar, Ece and Md. Ali, Mohd. Adli (2018) Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV. Physical Review D, 97 (11). pp. 1-91. ISSN 2470-0010 https://journals.aps.org/prd/pdf/10.1103/PhysRevD.97.112003 10.1103/PhysRevD.97.112003
institution Universiti Islam Antarabangsa Malaysia
building IIUM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider International Islamic University Malaysia
content_source IIUM Repository (IREP)
url_provider http://irep.iium.edu.my/
language English
English
topic Q Science (General)
QC Physics
spellingShingle Q Science (General)
QC Physics
Sirunyan, A. M.
Tumasyan, A. R.
Adam, Wolfgang
Ambrogi, Federico
Asilar, Ece
Md. Ali, Mohd. Adli
Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV
description Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at ffiffi s p ¼ 13 TeV are measured as a function of kinematic variables of the top quarks and the top quark-antiquark (t¯t) system. In addition, kinematic variables and multiplicities of jets associated with the t¯t production are measured. This analysis is based on data collected by the CMS experiment at the LHC in 2016 corresponding to an integrated luminosity of 35.8 fb−1. The measurements are performed in the lepton þ jets decay channels with a single muon or electron and jets in the final state. The differential cross sections are presented at the particle level, within a phase space close to the experimental acceptance, and at the parton level in the full phase space. The results are compared to several standard model predictions that use different methods and approximations. The kinematic variables of the top quarks and the t¯t system are reasonably described in general, though none predict all the measured distributions. In particular, the transverse momentum distribution of the top quarks is more steeply falling than predicted. The kinematic distributions and multiplicities of jets are adequately modeled by certain combinations of next-to-leadingorder calculations and parton shower models.
format Article
author Sirunyan, A. M.
Tumasyan, A. R.
Adam, Wolfgang
Ambrogi, Federico
Asilar, Ece
Md. Ali, Mohd. Adli
author_facet Sirunyan, A. M.
Tumasyan, A. R.
Adam, Wolfgang
Ambrogi, Federico
Asilar, Ece
Md. Ali, Mohd. Adli
author_sort Sirunyan, A. M.
title Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV
title_short Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV
title_full Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV
title_fullStr Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV
title_full_unstemmed Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 TeV
title_sort measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton plus jets events from pp collisions at root s=13 tev
publisher American Physical Society
publishDate 2018
url http://irep.iium.edu.my/70429/1/70429_Measurement%20of%20differential%20cross%20sections%20for%20the%20production_article.pdf
http://irep.iium.edu.my/70429/7/70429_Measurement%20of%20differential%20cross%20sections%20for%20the%20production_wos.pdf
http://irep.iium.edu.my/70429/
https://journals.aps.org/prd/pdf/10.1103/PhysRevD.97.112003
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score 13.211869

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