Collective flow in single-hit QCD kinetic theory

Abstract Motivated by recent interest in collectivity in small systems, we calculate the harmonic flow response to initial geometry deformations within weakly coupled QCD kinetic theory using the first correction to the free-streaming background. We derive a parametric scaling formula that relates h...

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Autores principales:	Aleksi Kurkela, Aleksas Mazeliauskas, Robin Törnkvist
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Heavy Ion Phenomenology Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
Acceso en línea:	https://doaj.org/article/342e889a63474806a0cfcd4f04258182
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spelling	oai:doaj.org-article:342e889a63474806a0cfcd4f042581822021-12-05T12:25:03ZCollective flow in single-hit QCD kinetic theory10.1007/JHEP11(2021)2161029-8479https://doaj.org/article/342e889a63474806a0cfcd4f042581822021-11-01T00:00:00Zhttps://doi.org/10.1007/JHEP11(2021)216https://doaj.org/toc/1029-8479Abstract Motivated by recent interest in collectivity in small systems, we calculate the harmonic flow response to initial geometry deformations within weakly coupled QCD kinetic theory using the first correction to the free-streaming background. We derive a parametric scaling formula that relates harmonic flow in systems of different sizes and different generic initial gluon distributions. We comment on similarities and differences between the full QCD effective kinetic theory and the toy models used previously. Finally we calculate the centrality dependence of the integrated elliptic flow v 2 in oxygen-oxygen, proton-lead and proton-proton collision systems.Aleksi KurkelaAleksas MazeliauskasRobin TörnkvistSpringerOpenarticleHeavy Ion PhenomenologyNuclear and particle physics. Atomic energy. RadioactivityQC770-798ENJournal of High Energy Physics, Vol 2021, Iss 11, Pp 1-29 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Heavy Ion Phenomenology Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
spellingShingle	Heavy Ion Phenomenology Nuclear and particle physics. Atomic energy. Radioactivity QC770-798 Aleksi Kurkela Aleksas Mazeliauskas Robin Törnkvist Collective flow in single-hit QCD kinetic theory
description	Abstract Motivated by recent interest in collectivity in small systems, we calculate the harmonic flow response to initial geometry deformations within weakly coupled QCD kinetic theory using the first correction to the free-streaming background. We derive a parametric scaling formula that relates harmonic flow in systems of different sizes and different generic initial gluon distributions. We comment on similarities and differences between the full QCD effective kinetic theory and the toy models used previously. Finally we calculate the centrality dependence of the integrated elliptic flow v 2 in oxygen-oxygen, proton-lead and proton-proton collision systems.
format	article
author	Aleksi Kurkela Aleksas Mazeliauskas Robin Törnkvist
author_facet	Aleksi Kurkela Aleksas Mazeliauskas Robin Törnkvist
author_sort	Aleksi Kurkela
title	Collective flow in single-hit QCD kinetic theory
title_short	Collective flow in single-hit QCD kinetic theory
title_full	Collective flow in single-hit QCD kinetic theory
title_fullStr	Collective flow in single-hit QCD kinetic theory
title_full_unstemmed	Collective flow in single-hit QCD kinetic theory
title_sort	collective flow in single-hit qcd kinetic theory
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/342e889a63474806a0cfcd4f04258182
work_keys_str_mv	AT aleksikurkela collectiveflowinsinglehitqcdkinetictheory AT aleksasmazeliauskas collectiveflowinsinglehitqcdkinetictheory AT robintornkvist collectiveflowinsinglehitqcdkinetictheory
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Collective flow in single-hit QCD kinetic theory

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