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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">     <html xmlns="http://www.w3.org/1999/xhtml" lang="bg" xml:lang="bg" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"> <head> <title>Collective dynamics of heavy ion collisions in ATLAS - CERN Document Server</title> <link href='https://framework.web.cern.ch/framework/2.0/fonts/PTSansWeb/PTSansWeb.css' rel='stylesheet' type='text/css' /> <link rel="stylesheet" href="http://cds.cern.ch/img/invenio.css?v=20141127" type="text/css" /> <link rel="stylesheet" href="http://cds.cern.ch/img/cern_theme/css/cern_theme.css?v=20141127" type="text/css" /> <link rel="stylesheet"href="/css/font-awesome.min.css"> <meta http-equiv="X-UA-Compatible" content="IE=Edge"/> <link rel="stylesheet" href="http://cds.cern.ch/img/cern_toolbar/css/toolbar.css" type="text/css" />    <link rel="canonical" href="http://cds.cern.ch/record/2790091" /> <link rel="alternate" hreflang="el" href="http://cds.cern.ch/record/2790091?ln=el" /> <link rel="alternate" hreflang="fr" href="http://cds.cern.ch/record/2790091?ln=fr" /> <link rel="alternate" hreflang="bg" href="http://cds.cern.ch/record/2790091?ln=bg" /> <link rel="alternate" hreflang="zh-TW" href="http://cds.cern.ch/record/2790091?ln=zh_TW" /> <link rel="alternate" hreflang="pt" href="http://cds.cern.ch/record/2790091?ln=pt" /> <link rel="alternate" hreflang="no" href="http://cds.cern.ch/record/2790091?ln=no" /> <link rel="alternate" hreflang="hr" href="http://cds.cern.ch/record/2790091?ln=hr" /> <link rel="alternate" hreflang="ca" href="http://cds.cern.ch/record/2790091?ln=ca" /> <link rel="alternate" hreflang="de" href="http://cds.cern.ch/record/2790091?ln=de" /> <link rel="alternate" hreflang="it" href="http://cds.cern.ch/record/2790091?ln=it" /> <link rel="alternate" hreflang="zh-CN" href="http://cds.cern.ch/record/2790091?ln=zh_CN" /> <link rel="alternate" hreflang="sv" href="http://cds.cern.ch/record/2790091?ln=sv" /> <link rel="alternate" hreflang="sk" href="http://cds.cern.ch/record/2790091?ln=sk" /> <link rel="alternate" hreflang="en" href="http://cds.cern.ch/record/2790091?ln=en" /> <link rel="alternate" hreflang="pl" href="http://cds.cern.ch/record/2790091?ln=pl" /> <link rel="alternate" hreflang="ru" href="http://cds.cern.ch/record/2790091?ln=ru" /> <link rel="alternate" hreflang="ka" href="http://cds.cern.ch/record/2790091?ln=ka" /> <link rel="alternate" hreflang="ja" href="http://cds.cern.ch/record/2790091?ln=ja" /> <link rel="alternate" hreflang="es" href="http://cds.cern.ch/record/2790091?ln=es" /> <link rel="alternate" type="application/rss+xml" title="CERN Document Server RSS" href="/rss?ln=bg" /> <link rel="search" type="application/opensearchdescription+xml" href="http://cds.cern.ch/opensearchdescription" title="CERN Document Server" /> <link rel="unapi-server" type="application/xml" title="unAPI" href="http://cds.cern.ch/unapi" /> <link rel="apple-touch-icon" href="/apple-touch-icon.png"/> <link rel="apple-touch-icon-precomposed" href="/apple-touch-icon-precomposed.png"/> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Language" content="bg" /> <meta name="description" content="The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including \mbox{$pp$} collisions at 13 TeV, \mbox{Xe+Xe} collisions at 5.44 TeV, and $\mbox{Pb+Pb}$ collisions at 5.02 TeV, are presented. They include $v_n$-[\mbox{$p_{\mathrm{T}}$}] correlations, which carry important information about the initial-state geometry of the quark-gluon plasma and can shed light on any quadrupole deformation in the Xe nucleus, and measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system. These measurements furthermore provide stringent tests of the theoretical understanding of the initial state in heavy ion collisions. The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including pp collisions at 13 TeV, Xe+Xe collisions at 5.44 TeV, and Pb+Pb collisions at 5.02 TeV, are presented. They include vn-[pT] correlations, which carry important information about the initial-state geometry of the quark-gluon plasma and can shed light on any quadrupole deformation in the Xe nucleus, and measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system. These measurements furthermore provide stringent tests of the theoretical understanding of the initial state in heavy ion collisions. The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including pp collisions at 13 TeV, Xe+Xe collisions at 5.44 TeV, and Pb+Pb collisions at 5.02 TeV, are presented. They include $v$$_{n}$-[$p$$_{T}$] correlations, which carry important information about the initial-state geometry of the quark-gluon plasma and can shed light on any quadrupole deformation in the Xe nucleus, and measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system. These measurements furthermore provide stringent tests of the theoretical understanding of the initial state in heavy ion collisions. Santos, Helena" /> <meta name="keywords" content="quark-gluon plasma, event flow, fluctuations, decorrelations, HEAVYIONS" /> <script type="text/javascript" src="http://cds.cern.ch/js/jquery.min.js"></script>  <link rel="stylesheet" href="http://cds.cern.ch/img/webnews.css" type="text/css" />  <script type="text/javascript" src="http://cds.cern.ch/js/webnews.js?v=20131009"></script> <meta property="fb:app_id" content="137353533001720"/> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ tex2jax: {inlineMath: [['$','$']], processEscapes: true}, showProcessingMessages: false, messageStyle: "none" }); </script> <script src="/MathJax/MathJax.js?config=TeX-AMS_CHTML" type="text/javascript"> </script>  <meta content="SciPost Fundation : Collective dynamics of heavy ion collisions in ATLAS" name="citation_title" /> <meta content="Santos, Helena" name="citation_author" /> <meta content="10.21468/SciPostPhysProc.10.034" name="citation_doi" /> <meta content="SciPost Phys. 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They include $v_n$-[\mbox{$p_{\mathrm{T}}$}] correlations, which carry important information about the initial-state geometry of the quark-gluon plasma and can shed light on any quadrupole deformation in the Xe nucleus, and measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system. These measurements furthermore provide stringent tests of the theoretical understanding of the initial state in heavy ion collisions." property="og:description" /> <meta content="The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including pp collisions at 13 TeV, Xe+Xe collisions at 5.44 TeV, and Pb+Pb collisions at 5.02 TeV, are presented. They include vn-[pT] correlations, which carry important information about the initial-state geometry of the quark-gluon plasma and can shed light on any quadrupole deformation in the Xe nucleus, and measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system. These measurements furthermore provide stringent tests of the theoretical understanding of the initial state in heavy ion collisions." property="og:description" /> <meta content="arXiv" property="og:description" /> <meta content="SciPost Fundation" property="og:description" /> <meta content="The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including pp collisions at 13 TeV, Xe+Xe collisions at 5.44 TeV, and Pb+Pb collisions at 5.02 TeV, are presented. They include $v$$_{n}$-[$p$$_{T}$] correlations, which carry important information about the initial-state geometry of the quark-gluon plasma and can shed light on any quadrupole deformation in the Xe nucleus, and measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system. These measurements furthermore provide stringent tests of the theoretical understanding of the initial state in heavy ion collisions." property="og:description" />  <meta content="summary" name="twitter:card" /> <meta content="summary" name="twitter:card" /> <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="ATLAS32Preprints search" lang="bg">  <div id="cern-toolbar"> <h1><a href="http://cern.ch" title="CERN">CERN <span>Accelerating science</span></a></h1> <ul> <li class="cern-accountlinks"><a class="cern-account" href="https://cds.cern.ch/youraccount/login?ln=bg&referer=http%3A//cds.cern.ch/record/2790091%3Fln%3Dbg" title="Sign in to your CERN account">Sign in</a></li> <li><a class="cern-directory" href="http://cern.ch/directory" title="Search CERN resources and browse the directory">Directory</a></li> </ul> </div>   <div role="banner" class="clearfix" id="header"> <div class="header-inner inner"> <hgroup class="clearfix"> <h2 id="site-name"> <a rel="home" title="Home" href="/"><span>CERN Document Server</span></a> </h2> <h3 id="site-slogan">Access articles, reports and multimedia content in HEP</h3> </hgroup> <div role="navigation" id="main-navigation" class="cdsmenu"> <h2 class="element-invisible">Main menu</h2><ul class="links inline clearfix"> <li class="menu-386 first active-trail"><a class="active-trail" href="http://cds.cern.ch/?ln=bg">Търсене</a></li> <li class="menu-444 "><a class="" title="" href="http://cds.cern.ch/submit?ln=bg">Изпращане</a></li> <li class="menu-426 "><a class="" href="http://cds.cern.ch/help/?ln=bg">Помощ</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=bg">Персонализиране</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=bg">Your alerts</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=bg">Your baskets</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=bg">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=bg">Your searches</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=bg" class="navtrail">Начало</a> > <a href="/collection/CERN%20Experiments?ln=bg" class="navtrail">CERN Experiments</a> > <a href="/collection/LHC%20Experiments?ln=bg" class="navtrail">LHC Experiments</a> > <a href="/collection/ATLAS?ln=bg" class="navtrail">ATLAS</a> > <a href="/collection/ATLAS%20Preprints?ln=bg" class="navtrail">ATLAS Preprints</a> > Collective dynamics of heavy ion collisions in ATLAS </td> </tr> </table> </div> <div class="pagebody"><div class="pagebodystripemiddle"> <div class="detailedrecordbox"> <div class="detailedrecordtabs"> <div> <ul class="detailedrecordtabs"><li class="on first"><a href="/record/2790091/?ln=bg">Информация </a></li><li class=""><a href="/record/2790091/comments?ln=bg">Дискусия (0) </a></li><li class=""><a href="/record/2790091/files?ln=bg">Files </a></li></ul> <div id="tabsSpacer" style="clear:both;height:0px"> </div></div> </div> <div class="detailedrecordboxcontent"> <div class="top-left-folded"></div> <div class="top-right-folded"></div> <div class="inside">  <abbr class="unapi-id" title="2790091"></abbr> <style type="text/css">  </style> <table class="formatRecordTableFullWidth" > <tr> <td class="formatRecordHeader" style="background-image: url('http://cds.cern.ch/img/journals.jpg');" colspan="2">  ATLAS Note </td> </tr> <script type="text/javascript"> $( document ).ready(function() { $('.showAuthor').on('click', function() { var author = '<p>' + $(this).data('name') + '</p>'; var affiliation = $(this).data('affiliation') + '</br>'; var contribution = $(this).data('contribution') + '</br>'; $.magnificPopup.open({ items: { src: '<div id="ovelary-mathjax" class="overlay-white oc-content overlay-white-500">' + author + affiliation + contribution + '</div>', type: 'inline' }, callbacks: { open: function() { var div = document.getElementById("overlay-mathjax") MathJax.Hub.Queue(["Typeset", MathJax.Hub, div]); }, } }) }) }); </script> <tr><td class="formatRecordLabel"> Report number </td><td style="padding-left:5px;"><a href="http://arxiv.org/abs/arXiv:2111.05335">arXiv:2111.05335</a> ; ATL-PHYS-PROC-2021-094</td></tr> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>Collective dynamics of heavy ion collisions in ATLAS</b></td></tr> <tr><td class="formatRecordLabel"><span style="white-space:nowrap;"> Author(s) </span> </td><td style="padding-left:5px;"><a href="http://cds.cern.ch/search?f=author&p=Santos%2C%20Helena&ln=bg">Santos, Helena</a> (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT))</td></tr> <tr><td class="formatRecordLabel"> Corporate <span style="white-space:nowrap;"> Author(s)</span> </td><td style="padding-left:5px;">The ATLAS collaboration</td></tr> <tr><td class="formatRecordLabel"> Collaboration </td><td style="padding-left:5px;">ATLAS Collaboration</td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2022-08-11</td></tr> <tr><td class="formatRecordLabel"> Imprint </td><td style="padding-left:5px;">09 Nov 2021</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">4</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.21468/SciPostPhysProc.10.034"><i>SciPost Phys. Proc.</i> 10 (2022) 034</a> </a></td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://cds.cern.ch/record/2784258">50th International Symposium on Multiparticle Dynamics</a>, Online, Online, 12 - 16 Jul 2021, pp.034</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.21468/SciPostPhysProc.10.034" title="DOI" target="_blank">10.21468/SciPostPhysProc.10.034</a> <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">Particle Physics - Experiment ; Nuclear Physics - Experiment</td></tr> <tr><td class="formatRecordLabel"> Accelerator/Facility, Experiment </td><td style="padding-left:5px;"><a href="http://cds.cern.ch/search?p=CERN%20LHC&f=693__a">CERN LHC</a> ; <a href="http://cds.cern.ch/search?p=ATLAS&f=693__e">ATLAS</a></td></tr> <tr><td class="formatRecordLabel"> Free keywords </td><td style="padding-left:5px;"><a href="http://cds.cern.ch/search?f=keyword&p=quark-gluon%20plasma&ln=bg">quark-gluon plasma</a> ; <a href="http://cds.cern.ch/search?f=keyword&p=event%20flow&ln=bg">event flow</a> ; <a href="http://cds.cern.ch/search?f=keyword&p=fluctuations&ln=bg">fluctuations</a> ; <a href="http://cds.cern.ch/search?f=keyword&p=decorrelations&ln=bg">decorrelations</a> ; <a href="http://cds.cern.ch/search?f=keyword&p=HEAVYIONS&ln=bg">HEAVYIONS</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including \mbox{$pp$} collisions at 13 TeV, \mbox{Xe+Xe} collisions at 5.44 TeV, and $\mbox{Pb+Pb}$ collisions at 5.02 TeV, are presented. They include $v_n$-[\mbox{$p_{\mathrm{T}}$}] correlations, which carry important information about the initial-state geometry of the quark-gluon plasma and can shed light on any quadrupole deformation in the Xe nucleus, and measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system. These measurements furthermore provide stringent tests of the theoretical understanding of the initial state in heavy ion collisions.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;">preprint: © 2021-2024 CERN (License: <a href="http://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>)<br/>publication: © 2022-2024 CERN (License: <a href="http:https://creativecommons.org/licenses/by/4.0/">CC-BY-4.0</a>)</td></tr> </table> <br /><div style="max-width:1024px;margin:auto"><div style="overflow-x:auto;display:inline;width:100%;"><a href="/record/2790091/plots#0"><img style="vertical-align:middle;" src="http://cds.cern.ch/record/2790091/files/ismd-logo-rect.png" title=" \mathrm{ch}" width="200px"/></a> <a href="/record/2790091/plots#1"><img style="vertical-align:middle;" src="http://cds.cern.ch/record/2790091/files/vn_pt_fig_10.png" title=" $\rho(v_2^2,[p_{\mathrm{T}}])$ (left) and $\rho(v_3^2,[p_{\mathrm{T}}])$ (right) as a function of the collisions centrality in \mbox{Pb+Pb} (blue symbols) and \mbox{Xe+Xe} (red symbols) collisions obtained using $N^{\mathrm{ch}}_{\mathrm{rec}}$-based (closed symbols) and $\Sigma E_{\mathrm{T}}$-based (open symbols) event averaging procedure for charged particles in 0.5$<p_{\mathrm{T}}<$2 GeV\cite{ATLAS1}. They are compared with a hydrodynamical model calculation based on Trento initial condition\cite{trento2} (top) and with a calculation based on a three-dimensional initial condition dynamically generated from gluon saturation models\cite{gluon2} (bottom). The error bars and boxes on the data points regard statistical and systematic uncertainties, respectively. The width of the bands represent the statistical uncertainties of the models." width="200px"/></a> <a href="/record/2790091/plots#2"><img style="vertical-align:middle;" src="http://cds.cern.ch/record/2790091/files/vn_pt_fig_11.png" title=" $\rho(v_2^2,[p_{\mathrm{T}}])$ (left) and $\rho(v_3^2,[p_{\mathrm{T}}])$ (right) as a function of the collisions centrality in \mbox{Pb+Pb} (blue symbols) and \mbox{Xe+Xe} (red symbols) collisions obtained using $N^{\mathrm{ch}}_{\mathrm{rec}}$-based (closed symbols) and $\Sigma E_{\mathrm{T}}$-based (open symbols) event averaging procedure for charged particles in 0.5$<p_{\mathrm{T}}<$2 GeV\cite{ATLAS1}. They are compared with a hydrodynamical model calculation based on Trento initial condition\cite{trento2} (top) and with a calculation based on a three-dimensional initial condition dynamically generated from gluon saturation models\cite{gluon2} (bottom). The error bars and boxes on the data points regard statistical and systematic uncertainties, respectively. The width of the bands represent the statistical uncertainties of the models." width="200px"/></a> <a href='/record/2790091/plots'>Show more plots</a></div></div><br /> <br/>Corresponding record in: <a href="http://inspirehep.net/record/1965140">Inspire</a> <small> </small> <br/> <br/><br/><div align="right"><div style="padding-bottom:2px;padding-top:30px;"><span class="moreinfo" style="margin-right:10px;"> <a href="" class="moreinfo">Back to search</a> </span></div></div> <div class="bottom-left-folded"><div class="recordlastmodifiedbox" style="position:relative;margin-left:1px"> Записът е създаден на 2021-11-09, последна промяна на 2023-08-10</div></div> <div class="bottom-right-folded" style="text-align:right;padding-bottom:2px;"> <span class="moreinfo" style="margin-right:10px;"><a href="/search?ln=bg&p=recid%3A2790091&rm=wrd" class="moreinfo">Подобни записи</a></span></div> </div> </div> </div> <br/> <br /> <div class="detailedrecordminipanel"> <div class="top-left"></div><div class="top-right"></div> <div class="inside"> <div id="detailedrecordminipanelfile" style="width:33%;float:left;text-align:center;margin-top:0"> <div><small class="detailedRecordActions">Пълен текст:</small> <br /><em>SciPostPhysProc_10_034</em> - <a href="/record/2790091/files/SciPostPhysProc_10_034.pdf"><img style="border:none" src="/img/file-icon-text-12x16.gif" alt="Сваляне на пълен текст"/>PDF</a><br /><em>document</em> - <a href="/record/2790091/files/document.pdf"><img style="border:none" src="/img/file-icon-text-12x16.gif" alt="Сваляне на пълен текст"/>PDF</a><br /><em>2111.05335</em> - <a href="/record/2790091/files/2111.05335.pdf"><img style="border:none" src="/img/file-icon-text-12x16.gif" alt="Сваляне на пълен текст"/>PDF</a><br /><small>(<a href="/record/2790091/files/">допълнителни файлове</a>)</small><br /></div><small class="detailedRecordActions">External link:</small><br /><small><a href="http://cds.cern.ch/record/2788637"><img style="border:none" src="/img/file-icon-text-12x16.gif" alt="Сваляне на пълен текст"/>Original Communication (restricted to ATLAS)</a></small> </div> <div id="detailedrecordminipanelreview" style="width:30%;float:left;text-align:center"> </div> <div id="detailedrecordminipanelactions" style="width:36%;float:right;text-align:right;"> <ul class="detailedrecordactions"> <li><a href="/yourbaskets/add?ln=bg&recid=2790091">Добавяне в личната кошница</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2790091/export/hx?ln=bg">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2790091/export/hm?ln=bg">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2790091/export/xm?ln=bg">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2790091/export/xd?ln=bg">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2790091/export/xe?ln=bg">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2790091/export/xn?ln=bg">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2790091/export/xw?ln=bg">RefWorks</a> </li> </ul> <div style='padding-left: 13px;'>  <div id="bookmark"></div> <div id="bookmark_sciencewise"></div> <style type="text/css"> #bookmark_sciencewise, #bookmark {float: left;} #bookmark_sciencewise li {padding: 2px; width: 25px;} #bookmark_sciencewise ul, #bookmark ul {list-style-image: none;} </style> <script type="text/javascript" src="/js/jquery.bookmark.min.js"></script> <style type="text/css">@import "/css/jquery.bookmark.css";</style> <script type="text/javascript">// <![CDATA[ $.bookmark.addSite('sciencewise', 'ScienceWise.info', 'http://cds.cern.ch/img/sciencewise.png', 'en', 'bookmark', 'http://sciencewise.info/bookmarks/2111.0533/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'http://cds.cern.ch/record/2790091', addEmail: true, title: "Collective dynamics of heavy ion collisions in ATLAS", description: "The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including \\mbox{$pp$} collisions at 13 TeV, \\mbox{Xe+Xe} collisions at 5.44 TeV, and $\\mbox{Pb+Pb}$ collisions at 5.02 TeV, are presented. 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