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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="it" xml:lang="it" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"> <head> <title>CMS tracking performance in Run 2 and early Run 3 - 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="https://cds.cern.ch/img/invenio.css?v=20141127" type="text/css" /> <link rel="stylesheet" href="https://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="https://cds.cern.ch/img/cern_toolbar/css/toolbar.css" type="text/css" />    <link rel="canonical" href="https://cds.cern.ch/record/2916731/export/hx" /> <link rel="alternate" hreflang="el" href="https://cds.cern.ch/record/2916731/export/hx?ln=el" /> <link rel="alternate" hreflang="fr" href="https://cds.cern.ch/record/2916731/export/hx?ln=fr" /> <link rel="alternate" hreflang="bg" href="https://cds.cern.ch/record/2916731/export/hx?ln=bg" /> <link rel="alternate" hreflang="zh-TW" href="https://cds.cern.ch/record/2916731/export/hx?ln=zh_TW" /> <link rel="alternate" hreflang="pt" href="https://cds.cern.ch/record/2916731/export/hx?ln=pt" /> <link rel="alternate" hreflang="no" href="https://cds.cern.ch/record/2916731/export/hx?ln=no" /> <link rel="alternate" hreflang="hr" href="https://cds.cern.ch/record/2916731/export/hx?ln=hr" /> <link rel="alternate" hreflang="ca" href="https://cds.cern.ch/record/2916731/export/hx?ln=ca" /> <link rel="alternate" hreflang="de" href="https://cds.cern.ch/record/2916731/export/hx?ln=de" /> <link rel="alternate" hreflang="it" href="https://cds.cern.ch/record/2916731/export/hx?ln=it" /> <link rel="alternate" hreflang="zh-CN" href="https://cds.cern.ch/record/2916731/export/hx?ln=zh_CN" /> <link rel="alternate" hreflang="sv" href="https://cds.cern.ch/record/2916731/export/hx?ln=sv" /> <link rel="alternate" hreflang="sk" href="https://cds.cern.ch/record/2916731/export/hx?ln=sk" /> <link rel="alternate" hreflang="en" href="https://cds.cern.ch/record/2916731/export/hx?ln=en" /> <link rel="alternate" hreflang="pl" href="https://cds.cern.ch/record/2916731/export/hx?ln=pl" /> <link rel="alternate" hreflang="ru" href="https://cds.cern.ch/record/2916731/export/hx?ln=ru" /> <link rel="alternate" hreflang="ka" href="https://cds.cern.ch/record/2916731/export/hx?ln=ka" /> <link rel="alternate" hreflang="ja" href="https://cds.cern.ch/record/2916731/export/hx?ln=ja" /> <link rel="alternate" hreflang="es" href="https://cds.cern.ch/record/2916731/export/hx?ln=es" /> <link rel="alternate" type="application/rss+xml" title="CERN Document Server RSS" href="/rss?ln=it" /> <link rel="search" type="application/opensearchdescription+xml" href="https://cds.cern.ch/opensearchdescription" title="CERN Document Server" /> <link rel="unapi-server" type="application/xml" title="unAPI" href="https://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="it" /> <meta name="description" content="A precise and efficient tracking is one of the critical components of the CMS physics program as it impacts the ability to reconstruct the physics objects needed to understand proton-proton collisions at the LHC. The CMS detector has undergone extensive improvements in preparation for Run 3 of the LHC to operate efficiently at the increased luminosity and pileup. Significant algorithmic enhancements have been implemented to enhance the performance of the CMS tracking system. These enhancements concentrate on refining both track finding and selection processes. Performance measurements of the track reconstruction both in simulation and collision data will be presented. The performance is assessed using LHC Run 2 at $\sqrt{s}$ = 13 TeV and early LHC Run 3 data at $\sqrt{s}$ = 13.6 TeV. Elmetenawee, Walaa" /> <meta name="keywords" content="General" /> <script type="text/javascript" src="https://cds.cern.ch/js/jquery.min.js"></script>  <link rel="stylesheet" href="https://cds.cern.ch/img/webnews.css" type="text/css" />  <script type="text/javascript" src="https://cds.cern.ch/js/webnews.js?v=20131009"></script> <meta property="fb:app_id" content="137353533001720"/>  <meta content="CMS tracking performance in Run 2 and early Run 3" name="citation_title" /> <meta content="Elmetenawee, Walaa" name="citation_author" /> <meta content="2023/12/10" name="citation_publication_date" /> <meta name="citation_online_date" content="2024/11/11"> <meta content="CMS-CR-2023-310" name="citation_technical_report_number" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2916731/files/CR2023_310.pdf" />  <meta content="CMS tracking performance in Run 2 and early Run 3" property="og:title" /> <meta content="website" property="og:type" /> <meta content="website" property="og:type" /> <meta content="website" property="og:type" /> <meta content="https://cds.cern.ch/record/2916731" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="A precise and efficient tracking is one of the critical components of the CMS physics program as it impacts the ability to reconstruct the physics objects needed to understand proton-proton collisions at the LHC. The CMS detector has undergone extensive improvements in preparation for Run 3 of the LHC to operate efficiently at the increased luminosity and pileup. Significant algorithmic enhancements have been implemented to enhance the performance of the CMS tracking system. These enhancements concentrate on refining both track finding and selection processes. Performance measurements of the track reconstruction both in simulation and collision data will be presented. The performance is assessed using LHC Run 2 at $\sqrt{s}$ = 13 TeV and early LHC Run 3 data at $\sqrt{s}$ = 13.6 TeV." 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="CMS32Preprints search" lang="it">  <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=it&referer=https%3A//cds.cern.ch/record/2916731/export/hx%3Fln%3Dit" 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="https://cds.cern.ch/?ln=it">Cerca</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=it">Sottometti</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=it">Aiuto</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=it">Personalizza</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=it">I tuoi avvisi</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=it">I tuoi cestini</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=it">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=it">Le tue ricerche</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=it" class="navtrail">Pagina principale</a> > <a href="/collection/CMS%20Collection?ln=it" class="navtrail">CMS Collection</a> > <a href="/collection/CMS%20Preprints?ln=it" class="navtrail">CMS Preprints</a> > <a class="navtrail" href="/record/2916731">CMS tracking performance in Run 2 and early Run 3</a> > BibTeX </td> </tr> </table> </div> <div class="pagebody"><div class="pagebodystripemiddle"> <pre> @techreport{Elmetenawee:2916731, author = "Elmetenawee, Walaa", collaboration = "CMS", title = "{CMS tracking performance in Run 2 and early Run 3}", institution = "CERN", reportNumber = "CMS-CR-2023-310", address = "Geneva", year = "2023", url = "https://cds.cern.ch/record/2916731", } </pre></div></div> <footer id="footer" class="pagefooter clearfix">  <div class="pagefooterstripeleft"> CERN Document Server :: <a class="footer" href="https://cds.cern.ch/?ln=it">Cerca</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=it">Sottometti</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=it">Personalizza</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=it">Aiuto</a> :: <a class="footer" href="https://cern.service-now.com/service-portal?id=privacy_policy&se=CDS-Service" target="_blank">Privacy Notice</a> <br /> Fornita da <a class="footer" href="http://invenio-software.org/">Invenio</a> <br /> Mantenuto da <a class="footer" href="https://cern.service-now.com/service-portal?id=service_element&name=CDS-Service">CDS Service</a> - Need help? 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