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Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV

A measurement of the elliptic flow (v2) of prompt J/ψ mesons in high-multiplicity pPb collisions is reported using data collected by the CMS experiment at a nucleon-nucleon center-of-mass energy √sNN = 8.16 TeV. Prompt J/ψ mesons decaying into two muons are reconstructed in the rapidity region in...

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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
English
Published: Elsevier B.V. 2019
Subjects:
Q Science (General)
QC Physics
Online Access:http://irep.iium.edu.my/79434/1/79434_Observation%20of%20prompt_article.pdf
http://irep.iium.edu.my/79434/2/79434_Observation%20of%20prompt_scopus.pdf
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http://irep.iium.edu.my/79434/
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spelling my.iium.irep.794342020-03-05T09:19:44Z http://irep.iium.edu.my/79434/ Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli Q Science (General) QC Physics A measurement of the elliptic flow (v2) of prompt J/ψ mesons in high-multiplicity pPb collisions is reported using data collected by the CMS experiment at a nucleon-nucleon center-of-mass energy √sNN = 8.16 TeV. Prompt J/ψ mesons decaying into two muons are reconstructed in the rapidity region in the nucleon-nucleon center-of-mass frame (ycm), corresponding to either −2.86 < ycm < −1.86 or 0.94 < ycm < 1.94. The average v2 result from the two rapidity ranges is reported over the transverse momentum (pT) range from 0.2 to 10 GeV. Positive v2 values are observed for the prompt J/ψ meson, as extracted from long-range two-particle correlations with charged hadrons, for 2 < pT < 8 GeV. The prompt J/ψ results are compared with previous CMS measurements of elliptic flow for open charm mesons (D0) and strange hadrons. From these measurements, constraints can be obtained on the collective dynamics of charm quarks produced in high-multiplicity events arising from small systems. Elsevier B.V. 2019-04-10 Article PeerReviewed application/pdf en http://irep.iium.edu.my/79434/1/79434_Observation%20of%20prompt_article.pdf application/pdf en http://irep.iium.edu.my/79434/2/79434_Observation%20of%20prompt_scopus.pdf application/pdf en http://irep.iium.edu.my/79434/3/79434_Observation%20of%20prompt_wos.pdf Sirunyan, A. M. and Tumasyan, A. R. and Adam, Wolfgang and Ambrogi, Federico and Asilar, Ece and Md. Ali, Mohd. Adli (2019) Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 791. pp. 172-194. ISSN 0370-2693 https://reader.elsevier.com/reader/sd/pii/S0370269319301133?token=36174E05356F5B5FBEBCD7BC7C976F182E89779BEC819427C05D419B0AFA79A57AFE7996CDB4F6C5160B9B3AE0E99DD5 10.1016/j.physletb.2019.02.018
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
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
Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV
description A measurement of the elliptic flow (v2) of prompt J/ψ mesons in high-multiplicity pPb collisions is reported using data collected by the CMS experiment at a nucleon-nucleon center-of-mass energy √sNN = 8.16 TeV. Prompt J/ψ mesons decaying into two muons are reconstructed in the rapidity region in the nucleon-nucleon center-of-mass frame (ycm), corresponding to either −2.86 < ycm < −1.86 or 0.94 < ycm < 1.94. The average v2 result from the two rapidity ranges is reported over the transverse momentum (pT) range from 0.2 to 10 GeV. Positive v2 values are observed for the prompt J/ψ meson, as extracted from long-range two-particle correlations with charged hadrons, for 2 < pT < 8 GeV. The prompt J/ψ results are compared with previous CMS measurements of elliptic flow for open charm mesons (D0) and strange hadrons. From these measurements, constraints can be obtained on the collective dynamics of charm quarks produced in high-multiplicity events arising from small systems.
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 Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV
title_short Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV
title_full Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV
title_fullStr Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV
title_full_unstemmed Observation of prompt J/psi meson elliptic flow in high-multiplicity pPb collisions at root s(NN)=8.16 TeV
title_sort observation of prompt j/psi meson elliptic flow in high-multiplicity ppb collisions at root s(nn)=8.16 tev
publisher Elsevier B.V.
publishDate 2019
url http://irep.iium.edu.my/79434/1/79434_Observation%20of%20prompt_article.pdf
http://irep.iium.edu.my/79434/2/79434_Observation%20of%20prompt_scopus.pdf
http://irep.iium.edu.my/79434/3/79434_Observation%20of%20prompt_wos.pdf
http://irep.iium.edu.my/79434/
https://reader.elsevier.com/reader/sd/pii/S0370269319301133?token=36174E05356F5B5FBEBCD7BC7C976F182E89779BEC819427C05D419B0AFA79A57AFE7996CDB4F6C5160B9B3AE0E99DD5
_version_ 1662753879526211584
score 13.211869

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