CINXE.COM
Theory Center Home | Jefferson Lab
<!DOCTYPE html> <html lang="en" dir="ltr" prefix="og: https://ogp.me/ns#"> <head> <meta charset="utf-8" /> <meta name="description" content="" /> <link rel="canonical" href="https://www.jlab.org/theory" /> <meta property="og:site_name" content="Thomas Jefferson National Accelerator Facility" /> <meta property="og:url" content="https://www.jlab.org/theory" /> <meta property="og:title" content="Theory Center Home" /> <meta property="og:description" content="" /> <meta name="Generator" content="Drupal 10 (https://www.drupal.org)" /> <meta name="MobileOptimized" content="width" /> <meta name="HandheldFriendly" content="true" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="icon" href="/sites/default/files/jlab-arc-icon.png" type="image/png" /> <title>Theory Center Home | Jefferson Lab</title> <link rel="stylesheet" media="all" href="/libraries/drupal-superfish/css/superfish.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/align.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/fieldgroup.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/container-inline.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/clearfix.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/details.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/hidden.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/item-list.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/js.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/nowrap.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/position-container.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/reset-appearance.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/resize.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-counter.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-report-counters.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-report-general-info.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/tablesort.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/misc/components/progress.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/misc/components/ajax-progress.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/core/modules/views/css/views.module.css?sr4387" /> <link rel="stylesheet" media="all" href="/modules/custom/si_custom_solr_notification/css/si_custom_solr_notification.css?sr4387" /> <link rel="stylesheet" media="all" href="/modules/custom/si_popup_blocks/css/si_popup_blocks.css?sr4387" /> <link rel="stylesheet" media="all" href="/modules/contrib/paragraphs/css/paragraphs.unpublished.css?sr4387" /> <link rel="stylesheet" media="all" href="/modules/contrib/colorbox/styles/default/colorbox_style.css?sr4387" /> <link rel="stylesheet" media="all" href="/modules/contrib/better_exposed_filters/css/better_exposed_filters.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/assets/bootstrap/css/bootstrap.min.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/assets/font-awesome/css/font-awesome.min.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/css/lightslider.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/css/owl.carousel.min.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/css/style.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/css/edit.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/css/css-tricks.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/css/respstyle.css?sr4387" /> <link rel="stylesheet" media="all" href="/themes/si_theme/css/overrule.css?sr4387" /> <link rel="stylesheet" media="print" href="/themes/si_theme/css/print-style.css?sr4387" /> <script type="application/json" data-drupal-selector="drupal-settings-json">{"path":{"baseUrl":"\/","pathPrefix":"","currentPath":"node\/6366","currentPathIsAdmin":false,"isFront":false,"currentLanguage":"en"},"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"gtag":{"tagId":"G-Z4NV1HLJBT","consentMode":false,"otherIds":[],"events":[],"additionalConfigInfo":[]},"ajaxPageState":{"libraries":"eJx9kFFuxDAIRC_kxkeysE0cusRYBm-zt6_Tql1plfYHzcwDIYhohj3g0UQxh5V4WvUZDBul29QuXrcUrNiBXRKWHuXwP-KZZFxhsLkiUhiDQfFllle_wDscrkGH0qFtc3sfDXh5JsuobUQm3TA7pZCGmuxBhXuoYrRSAiOp_h92zjVpo4XIkm7qX_zJbcMdfWGJwG9qD6ZanI6GfZ27_a-6ysImd-xUDatdct2BWVNHrNf8VDqi_kXn_-n7koca7j6CorsTfqj_qssueTB-Ar4ru4c","theme":"si_theme","theme_token":null},"ajaxTrustedUrl":{"\/solr-search":true},"multiselect":{"widths":250},"si_popup_blocks":{"settings":[]},"field_group":{"html_element":{"mode":"default","context":"view","settings":{"classes":"pb-image","id":"","element":"div","show_label":false,"label_element":"h3","label_element_classes":"","attributes":"","effect":"none","speed":"fast"}}},"colorbox":{"opacity":"0.85","current":"{current} of {total}","previous":"\u00ab Prev","next":"Next \u00bb","close":"Close","maxWidth":"98%","maxHeight":"98%","fixed":true,"mobiledetect":true,"mobiledevicewidth":"480px"},"better_exposed_filters":{"datepicker":true,"datepicker_options":[]},"superfish":{"superfish-menu-top-menu--2":{"id":"superfish-menu-top-menu--2","sf":{"animation":{"opacity":"show","height":"show"},"speed":"fast"},"plugins":{"smallscreen":{"mode":"window_width","title":"Top menu"},"supposition":true,"supersubs":true}},"superfish-menu-top-menu":{"id":"superfish-menu-top-menu","sf":{"animation":{"opacity":"show","height":"show"},"speed":"fast"},"plugins":{"supposition":true,"supersubs":true}}},"user":{"uid":0,"permissionsHash":"22f914043e9ae8eb04313306f5c778584b0fde5610d91f502068d82c31784f99"}}</script> <script src="/core/assets/vendor/jquery/jquery.min.js?v=3.7.1"></script> <script src="/core/assets/vendor/once/once.min.js?v=1.0.1"></script> <script src="/core/misc/drupalSettingsLoader.js?v=10.3.1"></script> <script src="/core/misc/drupal.js?v=10.3.1"></script> <script src="/core/misc/drupal.init.js?v=10.3.1"></script> <script src="/core/assets/vendor/tabbable/index.umd.min.js?v=6.2.0"></script> <script src="/modules/contrib/google_tag/js/gtag.js?sr4387"></script> <script src="/core/misc/progress.js?v=10.3.1"></script> <script src="/core/assets/vendor/loadjs/loadjs.min.js?v=4.3.0"></script> <script src="/core/misc/debounce.js?v=10.3.1"></script> <script src="/core/misc/announce.js?v=10.3.1"></script> <script src="/core/misc/message.js?v=10.3.1"></script> <script src="/core/misc/ajax.js?v=10.3.1"></script> <script src="/modules/contrib/google_tag/js/gtag.ajax.js?sr4387"></script> </head> <body class="page-nid-6366 type-theory not-logged not-front path-node context-theory"> <div class="dialog-off-canvas-main-canvas" data-off-canvas-main-canvas> <div id="page-wrapper" class="page-wrapper page-not-front"> <header id="header" class="header" role="header"> <a class="skip-to-main" href="#main-content">Skip to main content</a> <div class="mobile-menu-wrap"> <div> <div class="views-exposed-form bef-exposed-form searchform-top block block-views block-views-exposed-filter-blocksolr-search-page-1" data-drupal-selector="views-exposed-form-solr-search-page-1" id="block-exposedformsolr-searchpage-1-3"> <div class="jlab-blkcontent"> <form action="/solr-search" method="get" id="views-exposed-form-solr-search-page-1" accept-charset="UTF-8"> <div class="js-form-item form-item js-form-type-textfield form-item-search-api-fulltext js-form-item-search-api-fulltext"> <label for="edit-search-api-fulltext">Including any of these keywords:</label> <input data-drupal-selector="edit-search-api-fulltext" type="text" id="edit-search-api-fulltext" name="search_api_fulltext" value="" size="30" maxlength="128" class="form-text" /> </div> <div class="js-form-item form-item js-form-type-textfield form-item-search-api-fulltext-1 js-form-item-search-api-fulltext-1"> <label for="edit-search-api-fulltext-1"> Including all of these keywords:</label> <input data-drupal-selector="edit-search-api-fulltext-1" type="text" id="edit-search-api-fulltext-1" name="search_api_fulltext_1" value="" size="30" maxlength="128" class="form-text" /> </div> <div class="js-form-item form-item js-form-type-textfield form-item-search-api-fulltext-2 js-form-item-search-api-fulltext-2"> <label for="edit-search-api-fulltext-2">Filter out these keywords:</label> <input data-drupal-selector="edit-search-api-fulltext-2" type="text" id="edit-search-api-fulltext-2" name="search_api_fulltext_2" value="" size="30" maxlength="128" class="form-text" /> </div> <div class="js-form-item form-item js-form-type-date form-item-changeddate js-form-item-changeddate"> <label for="edit-changeddate">Last Edited From</label> <input class="bef-datepicker form-date" autocomplete="off" data-drupal-selector="edit-changeddate" aria-describedby="edit-changeddate--description" type="date" id="edit-changeddate" name="changeddate" value="" size="30" /> <div id="edit-changeddate--description" class="description"> (Show results from this date) </div> </div> <div class="js-form-item form-item js-form-type-date form-item-changeddateto js-form-item-changeddateto"> <label for="edit-changeddateto">Last Edited To</label> <input class="bef-datepicker form-date" autocomplete="off" data-drupal-selector="edit-changeddateto" aria-describedby="edit-changeddateto--description" type="date" id="edit-changeddateto" name="changeddateto" value="" size="30" /> <div id="edit-changeddateto--description" class="description"> (Show results to this date) </div> </div> <div class="js-form-item form-item js-form-type-select form-item-sort-by js-form-item-sort-by"> <label for="edit-sort-by">Sort by</label> <select data-drupal-selector="edit-sort-by" id="edit-sort-by" name="sort_by" class="form-select"><option value="search_api_relevance" selected="selected">Relevance</option><option value="changed">Changed</option></select> </div> <div class="js-form-item form-item js-form-type-select form-item-sort-order js-form-item-sort-order"> <label for="edit-sort-order">Order</label> <select data-drupal-selector="edit-sort-order" id="edit-sort-order" name="sort_order" class="form-select"><option value="ASC">Asc</option><option value="DESC" selected="selected">Desc</option></select> </div> <div data-drupal-selector="edit-actions" class="form-actions js-form-wrapper form-wrapper" id="edit-actions"><input data-drupal-selector="edit-submit-solr-search" type="submit" id="edit-submit-solr-search" value="Search" class="button js-form-submit form-submit" /> </div> </form> </div> </div> <div id="block-topmenu" class="jefferson-lab-mobile-menu block block-superfish block-superfishmenu-top-menu"> <div class="jlab-blkcontent"> <ul id="superfish-menu-top-menu" class="menu sf-menu sf-menu-top-menu sf-horizontal sf-style-none"> <li id="menu-top-menu-menu-link-content4f739fc9-3fe6-4f1c-ac8d-5c1a3b9e2de4" class="sf-depth-1 sf-no-children"><a href="/a-z-index" title="" class="sf-depth-1">A-Z Index</a></li><li id="menu-top-menu-menu-link-content44eea25f-d6f2-4b33-8fbd-b9a38158cc59" class="sf-depth-1 sf-no-children"><a href="/user/login?current=/theory" class="sf-depth-1">Sign In</a></li> </ul> </div> </div> <nav role="navigation" aria-labelledby="block-jeffersonlabmobilemenu-menu" id="block-jeffersonlabmobilemenu" class="jefferson-lab-leftmenu jefferson-lab-mobile-menu block block-system block-system-menu-blockjefferson-lab-mobile-menu"> <h2 class="visually-hidden" id="block-jeffersonlabmobilemenu-menu">Jefferson Lab Mobile Menu</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="/" data-drupal-link-system-path="<front>">Home</a> </li> <li> <a href="/about" data-drupal-link-system-path="node/6342">About</a> </li> <li> <a href="/science" data-drupal-link-system-path="node/4845">Science</a> </li> <li> <a href="https://www.jlab.org/recruiting">Careers</a> </li> <li> <a href="/jlab-calendar-list" data-drupal-link-system-path="jlab-calendar-list">Calendar</a> </li> </ul> </div> </nav> </div> </div> <div class="container"> <div class="row"> <div class="top-header-left"> <button type="button" class="main-collapse-button" aria-label="Hamburger button"> <span class="icon-bar1"></span> <span class="icon-bar2"></span> <span class="icon-bar3"></span> <span class="icon-bar4"></span> </button> <div> <div id="block-si-site-branding" class="jlab-branding block block-system block-system-branding-block"> <a href="/" rel="home"> <img src="/sites/default/files/logo_2.png" alt="Home" fetchpriority="high" /> </a> </div> </div> </div> <div class="top-header-right"> <div> <div id="block-topmenu-2" class="top-menu-right block block-superfish block-superfishmenu-top-menu"> <div class="jlab-blkcontent"> <ul id="superfish-menu-top-menu--2" class="menu sf-menu sf-menu-top-menu sf-horizontal sf-style-none"> <li id="menu-top-menu-menu-link-content4f739fc9-3fe6-4f1c-ac8d-5c1a3b9e2de4--2" class="sf-depth-1 sf-no-children"><a href="/a-z-index" title="" class="sf-depth-1">A-Z Index</a></li><li id="menu-top-menu-menu-link-content44eea25f-d6f2-4b33-8fbd-b9a38158cc59--2" class="sf-depth-1 sf-no-children"><a href="/user/login?current=/theory" class="sf-depth-1">Sign In</a></li> </ul> </div> </div> <div class="views-exposed-form bef-exposed-form searchform-top block block-views block-views-exposed-filter-blocksolr-search-page-1" data-drupal-selector="views-exposed-form-solr-search-page-1" id="block-exposedformsolr-searchpage-1-2"> <div class="jlab-blkcontent"> <form action="/solr-search" method="get" id="views-exposed-form-solr-search-page-1" accept-charset="UTF-8"> <div class="js-form-item form-item js-form-type-textfield form-item-search-api-fulltext js-form-item-search-api-fulltext"> <label for="edit-search-api-fulltext--2">Including any of these keywords:</label> <input data-drupal-selector="edit-search-api-fulltext" type="text" id="edit-search-api-fulltext--2" name="search_api_fulltext" value="" size="30" maxlength="128" class="form-text" /> </div> <div class="js-form-item form-item js-form-type-textfield form-item-search-api-fulltext-1 js-form-item-search-api-fulltext-1"> <label for="edit-search-api-fulltext-1--2"> Including all of these keywords:</label> <input data-drupal-selector="edit-search-api-fulltext-1" type="text" id="edit-search-api-fulltext-1--2" name="search_api_fulltext_1" value="" size="30" maxlength="128" class="form-text" /> </div> <div class="js-form-item form-item js-form-type-textfield form-item-search-api-fulltext-2 js-form-item-search-api-fulltext-2"> <label for="edit-search-api-fulltext-2--2">Filter out these keywords:</label> <input data-drupal-selector="edit-search-api-fulltext-2" type="text" id="edit-search-api-fulltext-2--2" name="search_api_fulltext_2" value="" size="30" maxlength="128" class="form-text" /> </div> <div class="js-form-item form-item js-form-type-date form-item-changeddate js-form-item-changeddate"> <label for="edit-changeddate--2">Last Edited From</label> <input class="bef-datepicker form-date" autocomplete="off" data-drupal-selector="edit-changeddate" aria-describedby="edit-changeddate--2--description" type="date" id="edit-changeddate--2" name="changeddate" value="" size="30" /> <div id="edit-changeddate--2--description" class="description"> (Show results from this date) </div> </div> <div class="js-form-item form-item js-form-type-date form-item-changeddateto js-form-item-changeddateto"> <label for="edit-changeddateto--2">Last Edited To</label> <input class="bef-datepicker form-date" autocomplete="off" data-drupal-selector="edit-changeddateto" aria-describedby="edit-changeddateto--2--description" type="date" id="edit-changeddateto--2" name="changeddateto" value="" size="30" /> <div id="edit-changeddateto--2--description" class="description"> (Show results to this date) </div> </div> <div class="js-form-item form-item js-form-type-select form-item-sort-by js-form-item-sort-by"> <label for="edit-sort-by--2">Sort by</label> <select data-drupal-selector="edit-sort-by" id="edit-sort-by--2" name="sort_by" class="form-select"><option value="search_api_relevance" selected="selected">Relevance</option><option value="changed">Changed</option></select> </div> <div class="js-form-item form-item js-form-type-select form-item-sort-order js-form-item-sort-order"> <label for="edit-sort-order--2">Order</label> <select data-drupal-selector="edit-sort-order" id="edit-sort-order--2" name="sort_order" class="form-select"><option value="ASC">Asc</option><option value="DESC" selected="selected">Desc</option></select> </div> <div data-drupal-selector="edit-actions" class="form-actions js-form-wrapper form-wrapper" id="edit-actions--2"><input data-drupal-selector="edit-submit-solr-search-2" type="submit" id="edit-submit-solr-search--2" value="Search" class="button js-form-submit form-submit" /> </div> </form> </div> </div> <div id="block-usdepartmentofenergylogo" class="departmentofenergylogo block block-block-content block-block-contentfc128674-b052-4bc5-a534-5a9b309dbe8e"> <div class="jlab-blkcontent"> <div><p><a class="sf-depth-1" href="http://energy.gov" title><img alt="U.S. Department of Energy" src="/sites/default/files/energy-logo_1.png"></a></p> </div> </div> </div> </div> </div> <div class="primary-nav"> <nav id="site-navigation" class="navbar" role="navigation"> <div class="navbar-header"> <div id="main-navbar-collapse" class=""> <div> <nav role="navigation" aria-labelledby="block-jeffersonlabmenu-menu" id="block-jeffersonlabmenu" class="jeffersonlabmenu block block-system block-system-menu-blockmenu-jefferson-lab-menu"> <h2 class="visually-hidden" id="block-jeffersonlabmenu-menu">Jefferson Lab Menu</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="/" title="" data-drupal-link-system-path="<front>">Home</a> </li> <li> <a href="/about" title="" data-drupal-link-system-path="node/6342">About</a> </li> <li> <a href="/science" title="" data-drupal-link-system-path="node/7311">Science</a> </li> <li> <a href="https://www.jlab.org/recruiting">Careers</a> </li> </ul> </div> </nav> </div> </div> </div> </nav> </div> </div> </div> </header> <section id="slideshow" class="slideshow"> <div class="container-fluid"> <div class="row"> <div> <div class="views-element-container jlab-banner-image block block-views block-views-blockbanner-image-block-1" id="block-views-block-banner-image-block-1"> <div class="jlab-blkcontent"> <div><div class="js-view-dom-id-3732df4f13166357f8a87a22bacccbb4bc6ec3fa8e0c8ec03d1394aabbc30447"> <div class="item-list"> <ul> <li><div class="views-field views-field-field-banner-image"><div class="field-content text-center"> <img loading="lazy" src="/sites/default/files/styles/image_1920x539/public/headerimage_REV3_0.jpg?itok=4ygCCzT2" width="1920" height="539" alt="Theory Center temporary banner" title="Theory Center temporary banner" /> </div></div></li> </ul> </div> </div> </div> </div> </div> </div> </div> </div> </section> <div id="main-content"> <div class="container"> <div class="row"> <div class="sidebar-first sidebar col-left"> <div class="sidebar-first-inner"> <div> <nav role="navigation" aria-labelledby="block-theory-menu" id="block-theory" class="jefferson-lab-leftmenu block block-system block-system-menu-blockmenu-theory"> <h2 id="block-theory-menu">Theory</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="/theory" title="" data-drupal-link-system-path="node/6366" class="is-active" aria-current="page">Theory Center Home</a> </li> <li> <a href="https://www.jlab.org/theory/people">People</a> </li> <li> <a href="/theory/theory-research" title="" data-drupal-link-system-path="node/6378">Research</a> </li> <li> <a href="https://www.jlab.org/theory/seminars/theorysem" title="">Seminars</a> </li> <li> <a href="https://www.jlab.org/theory/talks">Staff Presentations</a> </li> <li> <a href="https://www.jlab.org/theory/outreach">Outreach</a> </li> <li> <a href="https://inspirehep.net/literature?sort=mostrecent&size=25&page=1&q=find%20rn%20JLAB-THY%2A%20and%20date%202010-%3E2030#with-citation-summary">Recent Theory Publications</a> </li> <li> <a href="/theory/theory-contact" title="" data-drupal-link-system-path="node/6377">Contact Us</a> </li> </ul> </div> </nav> <nav role="navigation" aria-labelledby="block-theoryresearch-menu" id="block-theoryresearch" class="jefferson-lab-leftmenu block block-system block-system-menu-blockmenu-theory-research"> <h2 id="block-theoryresearch-menu">Theory Research</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="/theory/monthly_highlights" data-drupal-link-system-path="node/12626">Monthly Highlights</a> </li> <li> <a href="https://www.jlab.org/theory/cj/">CJ</a> </li> <li> <a href="https://jeffersonlab.github.io/hadspec/" title="">HadSpec</a> </li> <li> <a href="https://www.jlab.org/theory/jam/" title="">JAM</a> </li> <li> <a href="http://jpac-physics.org/">JPAC</a> </li> <li> <a href="https://www.jlab.org/theory/tag/">Tag</a> </li> </ul> </div> </nav> </div> </div> </div> <div class="content col-has-left"> <div class="content-inner"> <section id="top-content1" class="top-content1"> <div> <div class="views-element-container jlab-buttons-block block block-views block-views-blockpage-buttons-block-block-1" id="block-views-block-page-buttons-block-block-1"> <div class="jlab-blkcontent"> <div><div class="js-view-dom-id-b62c11e1c111ebc7018e0270944c104aa80be349f603a416d47eabf370103b78"> <div class="views-row"><div class="views-field views-field-field-buttons"><div class="field-content"></div></div></div> </div> </div> </div> </div> </div> </section> <div> <div data-drupal-messages-fallback class="hidden"></div><div id="block-pagetitle-7" class="pagetitle block block-core block-page-title-block"> <div class="jlab-blkcontent"> <h1> <span>Theory Center Home</span> </h1> </div> </div> <div id="block-mainpagecontent-2" class="clearfix block block-system block-system-main-block"> <div class="jlab-blkcontent"> <article data-history-node-id="6366" class="node node--type-theory node--view-mode-full"> <div> <div><p>The Center for Theoretical and Computational Physics pursues a broad program of theoretical research in all areas of quantum chromodynamics (QCD) and hadron physics, promoting and supporting the physics studied at Jefferson Lab and related facilities around the world.</p> </div> <div> <div> <div class="paragraph paragraph--type--photo-block paragraph--view-mode--default"> <div class="pb-image"> <div> <a href="https://www.jlab.org/sites/default/files/styles/image_200x145/public/seminar_1_0_1_0.jpg?itok=Ww3rbK7G" aria-label="{"title":"Theory Center seminars","alt":"Theory Center seminars"}" role="button" title="Theory Center seminars" data-colorbox-gallery="" class="colorbox" aria-controls="colorbox-uLpjKBZJYsI" data-cbox-img-attrs="{"title":"Theory Center seminars","alt":"Theory Center seminars"}"><img id="colorbox-uLpjKBZJYsI" src="/sites/default/files/styles/image_200x145/public/seminar_1_0_1_0.jpg?itok=Ww3rbK7G" width="200" height="145" alt="Theory Center seminars" title="Theory Center seminars" loading="lazy" /> </a> </div> </div> <div class="pb-title"> <div><a href="https://www.jlab.org/theory/seminars/theorysem">UPCOMING SEMINARS</a></div> </div> <div class="pb-text"> <div><div class="agOyMd Q3pZ0e"> <p> </p> <p><span>THEORY SEMINAR</span></p> <p>Monday, February 24th, 1:00PM (in person, L102)<br> <strong>Hersh Singh </strong>(Fermilab)</p> <p>Monday, March 3rd, 9:00AM (remote)<br> <strong>Joshua Crawford </strong>(U. Adelaide)</p> <p>Monday, March 10th, 1:00PM (in person)<br> <strong>Yuchuan Feng </strong>(George Washington U.)</p> <p>Monday, March 17th, 1:00PM (in person)<br> <strong>Dimitra Pefkou </strong>(UC Berkeley)</p> <p>Monday, March 24th, 1:00PM (in person)<br> <strong>Sebastian Dawid </strong>(U. Washington, Seattle)</p> <p>Monday, March 31th, 9:00AM (remote)<br> <strong>Archana Radhakrishnan </strong>(TIFR)</p> <p>Monday, April 25th, 1:00PM (in person)<br> <strong>Carlota Andres </strong>(MIT)</p> <p><a href="https://www.jlab.org/theory/seminars/2025seminars">Previous presentations available here.</a></p> <p> </p> <p><span>CAKE SEMINAR</span></p> <p>Wednesday, February 19th, 1:00PM (L102)<br> <strong>David Richards </strong>(Jlab)</p> <p>Wednesday, February 26th, 1:00PM (L102)<br> <strong>Lorenzo Andreoli </strong>(ODU and Jlab)</p> <p>Wednesday, March 5th, 1:00PM<br> <strong>Ian Balitsky </strong>(JLab)</p> <p><a href="https://www.jlab.org/theory/seminars/2025cakeseminars">Previous presentations available here.</a></p> <div class="agOyMd Q3pZ0e"> <p><style type="text/css"> </style></p> </div> </div> </div> </div> </div> </div> <div> <div class="paragraph paragraph--type--photo-block paragraph--view-mode--default"> <div class="pb-image"> <div> <a href="https://www.jlab.org/sites/default/files/styles/image_200x145/public/default_images/default.jpg?itok=2XCfYdV6" aria-label="{"alt":""}" role="button" title="Theory Center Home &gt; Photo Block" data-colorbox-gallery="" class="colorbox" aria-controls="colorbox-UlN_K2LLh24" data-cbox-img-attrs="{"alt":""}"><img id="colorbox-UlN_K2LLh24" src="/sites/default/files/styles/image_200x145/public/default_images/default.jpg?itok=2XCfYdV6" width="200" height="145" alt="" loading="lazy" /> </a> </div> </div> <div class="pb-title"> <div><a href="https://www.jlab.org/theory/news">NEWS AND EVENTS</a></div> </div> <div class="pb-text"> <div><p><b><a href="https://indico.jlab.org/event/901/">QCD Evolution 2025</a></b> will be held at Jefferson Lab on May 19 - 23, 2025. The main objective of the workshop will be to provide a forum to discuss recent scientific accomplishments in areas such as generalized parton distributions (GPDs), transverse momentum distributions (TMDs), and small-x physics, together with advances in perturbative and nonperturbative techniques within QCD, such as lattice QCD and effective field theories. The abstract submission and registration are now open at the <a href="https://indico.jlab.org/event/901/">workshop's website</a>.</p> <p> </p> <p>See also the Theory Center's most recent <a href="https://www.jlab.org/theory/monthly_highlights">Monthly Highlights</a>.</p> </div> </div> </div> </div> <div> <div class="paragraph paragraph--type--photo-block paragraph--view-mode--default"> <div class="pb-image"> <div> <a href="https://www.jlab.org/sites/default/files/styles/image_200x145/public/Arkaitz.png?itok=70MWEBRd" aria-label="{"title":"Arkaitz Rodas - 2022 Isgur Fellow","alt":"Arkaitz Rodas - 2022 Isgur Fellow"}" role="button" title="Arkaitz Rodas - 2022 Isgur Fellow" data-colorbox-gallery="" class="colorbox" aria-controls="colorbox-EByuFReJJ1E" data-cbox-img-attrs="{"title":"Arkaitz Rodas - 2022 Isgur Fellow","alt":"Arkaitz Rodas - 2022 Isgur Fellow"}"><img id="colorbox-EByuFReJJ1E" src="/sites/default/files/styles/image_200x145/public/Arkaitz.png?itok=70MWEBRd" width="200" height="145" alt="Arkaitz Rodas - 2022 Isgur Fellow" title="Arkaitz Rodas - 2022 Isgur Fellow" loading="lazy" /> </a> </div> </div> <div class="pb-title"> <div><a href="https://www.jlab.org/theory/nowhiring">NOW HIRING</a></div> </div> <div class="pb-text"> <div><article about="/theory/nowhiring" data-history-node-id="10056" role="article"> <p>Positions in the Jefferson Lab Theory Center involve research in theoretical hadronic and nuclear physics that motivates and supports Jefferson Lab experiments at 12 GeV and beyond.</p> </article> </div> </div> </div> </div> </div> </div> </article> </div> </div> <div class="views-element-container pt-20 block block-views block-views-blockcontent-photo-block-block-2" id="block-views-block-content-photo-block-block-2"> <div class="jlab-blkcontent"> <div><div class="photo-block-style200 js-view-dom-id-ec72efb1c2ef07a5f6315e2cc3a174ddf7098ca65a06ffc4a4c9f1389e268b3c"> <div><div class="views-field views-field-view"><span class="field-content"><div class="js-view-dom-id-43646f1f33f736736736db4bd16f6b2900d961ac08697eb7c236c5f3d80375ad"> <div class="views-row"><div><div class="jlab-photo-block-image"> <a href="https://www.jlab.org/sites/default/files/seminar_1_0_1_0.jpg" aria-label=""Theory Center seminars"}" role="button" title="Theory Center seminars" data-colorbox-gallery="gallery-photo_block-447-_XqimxoZZyE" class="colorbox" aria-controls="colorbox-YRMUcRaR4XI" data-cbox-img-attrs="{"title":"Theory Center seminars","alt":"Theory Center seminars"}"><img id="colorbox-YRMUcRaR4XI" src="/sites/default/files/styles/image_200x145/public/seminar_1_0_1_0.jpg?itok=Ww3rbK7G" width="200" height="145" alt="Theory Center seminars" title="Theory Center seminars" loading="lazy" /> </a> </div></div><div><div class="jlab-photo-block-title"><a href="https://www.jlab.org/theory/seminars/theorysem">UPCOMING SEMINARS</a></div></div><div><div class="jlab-photo-block-text"><div class="agOyMd Q3pZ0e"> <p> </p> <p><span>THEORY SEMINAR</span></p> <p>Monday, February 24th, 1:00PM (in person, L102)<br> <strong>Hersh Singh </strong>(Fermilab)</p> <p>Monday, March 3rd, 9:00AM (remote)<br> <strong>Joshua Crawford </strong>(U. Adelaide)</p> <p>Monday, March 10th, 1:00PM (in person)<br> <strong>Yuchuan Feng </strong>(George Washington U.)</p> <p>Monday, March 17th, 1:00PM (in person)<br> <strong>Dimitra Pefkou </strong>(UC Berkeley)</p> <p>Monday, March 24th, 1:00PM (in person)<br> <strong>Sebastian Dawid </strong>(U. Washington, Seattle)</p> <p>Monday, March 31th, 9:00AM (remote)<br> <strong>Archana Radhakrishnan </strong>(TIFR)</p> <p>Monday, April 25th, 1:00PM (in person)<br> <strong>Carlota Andres </strong>(MIT)</p> <p><a href="https://www.jlab.org/theory/seminars/2025seminars">Previous presentations available here.</a></p> <p> </p> <p><span>CAKE SEMINAR</span></p> <p>Wednesday, February 19th, 1:00PM (L102)<br> <strong>David Richards </strong>(Jlab)</p> <p>Wednesday, February 26th, 1:00PM (L102)<br> <strong>Lorenzo Andreoli </strong>(ODU and Jlab)</p> <p>Wednesday, March 5th, 1:00PM<br> <strong>Ian Balitsky </strong>(JLab)</p> <p><a href="https://www.jlab.org/theory/seminars/2025cakeseminars">Previous presentations available here.</a></p> <div class="agOyMd Q3pZ0e"> <p><style type="text/css"> </style></p> </div> </div> </div></div></div> <div class="views-row"><div><div class="jlab-photo-block-image"> <a href="https://www.jlab.org/sites/default/files/default_images/default.jpg" aria-label="""}" role="button" title="Theory Center Home &gt; Photo Block" data-colorbox-gallery="gallery-photo_block-448-_XqimxoZZyE" class="colorbox" aria-controls="colorbox-0eJrioqWxug" data-cbox-img-attrs="{"alt":""}"><img id="colorbox-0eJrioqWxug" src="/sites/default/files/styles/image_200x145/public/default_images/default.jpg?itok=2XCfYdV6" width="200" height="145" alt="" loading="lazy" /> </a> </div></div><div><div class="jlab-photo-block-title"><a href="https://www.jlab.org/theory/news">NEWS AND EVENTS</a></div></div><div><div class="jlab-photo-block-text"><p><b><a href="https://indico.jlab.org/event/901/">QCD Evolution 2025</a></b> will be held at Jefferson Lab on May 19 - 23, 2025. The main objective of the workshop will be to provide a forum to discuss recent scientific accomplishments in areas such as generalized parton distributions (GPDs), transverse momentum distributions (TMDs), and small-x physics, together with advances in perturbative and nonperturbative techniques within QCD, such as lattice QCD and effective field theories. The abstract submission and registration are now open at the <a href="https://indico.jlab.org/event/901/">workshop's website</a>.</p> <p> </p> <p>See also the Theory Center's most recent <a href="https://www.jlab.org/theory/monthly_highlights">Monthly Highlights</a>.</p> </div></div></div> <div class="views-row"><div><div class="jlab-photo-block-image"> <a href="https://www.jlab.org/sites/default/files/Arkaitz.png" aria-label=""Arkaitz Rodas - 2022 Isgur Fellow"}" role="button" title="Arkaitz Rodas - 2022 Isgur Fellow" data-colorbox-gallery="gallery-photo_block-449-_XqimxoZZyE" class="colorbox" aria-controls="colorbox-9zXdUUy2Blw" data-cbox-img-attrs="{"title":"Arkaitz Rodas - 2022 Isgur Fellow","alt":"Arkaitz Rodas - 2022 Isgur Fellow"}"><img id="colorbox-9zXdUUy2Blw" src="/sites/default/files/styles/image_200x145/public/Arkaitz.png?itok=70MWEBRd" width="200" height="145" alt="Arkaitz Rodas - 2022 Isgur Fellow" title="Arkaitz Rodas - 2022 Isgur Fellow" loading="lazy" /> </a> </div></div><div><div class="jlab-photo-block-title"><a href="https://www.jlab.org/theory/nowhiring">NOW HIRING</a></div></div><div><div class="jlab-photo-block-text"><article about="/theory/nowhiring" data-history-node-id="10056" role="article"> <p>Positions in the Jefferson Lab Theory Center involve research in theoretical hadronic and nuclear physics that motivates and supports Jefferson Lab experiments at 12 GeV and beyond.</p> </article> </div></div></div> </div> </span></div></div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <footer id="footer" class="site-footer" role="contentinfo"> <div class="container"> <div class="row"> <div class="footer-right-wrap"> <div> <div id="block-frontpagefooter" class="jlab-frontpagefooter block block-block-content block-block-content09a4fd71-46dd-4336-840d-db3e32060f73"> <div class="jlab-blkcontent"> <div><p class="line-1">Thomas Jefferson</p> <p class="line-2">National Accelerator Facility</p> <p class="line-3">12000 Jefferson Avenue, Newport News, VA</p> <p class="line-4">Phone: 757-269-7100 Fax: 757-269-7363</p> <style> #footer { overflow: hidden; } </style></div> </div> </div> <nav role="navigation" aria-labelledby="block-footermenuright1-menu" id="block-footermenuright1" class="jlab-footermenuright1 block block-system block-system-menu-blockmenu-footer-menu-right-1"> <h2 class="visually-hidden" id="block-footermenuright1-menu">Footer menu right 1</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="https://misportal.jlab.org" title="">INSIGHT for employees</a> </li> <li> <a href="/privacy-and-security-notice" title="" data-drupal-link-system-path="node/4921">Privacy and Security Notice</a> </li> <li> <a href="https://www.energy.gov/vulnerability-disclosure-policy">Vulnerability Disclosure Program</a> </li> <li> <a href="https://www.jlab.org/about/accessibility_statement">Accessibility Standard Statement</a> </li> </ul> </div> </nav> <nav role="navigation" aria-labelledby="block-footermenuright2-menu" id="block-footermenuright2" class="jlab-footermenuright2 block block-system block-system-menu-blockmenu-footer-menu-right-2"> <h2 class="visually-hidden" id="block-footermenuright2-menu">Footer menu right 2</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="/about/contact-jlab" data-drupal-link-system-path="node/10896">Contact JLab</a> </li> <li> <a href="http://status.jlab.org/" title="">JLab Status</a> </li> <li> <a href="https://www.jlab.org/report_concerns">Report a problem</a> </li> <li> <a href="https://www.jlab.org/sitemap">Site Map</a> </li> </ul> </div> </nav> </div> </div> <div class="footer-left-wrap"> <div> <div id="block-footerresourcesblock" class="jlab-footerresourcesblock block block-block-content block-block-content1bf1228f-8bad-4d70-bc3e-82cd188ffd2b"> <div class="jlab-blkcontent"> <div><p><span style="font-size:20px;">RESOURCES</span></p> </div> </div> </div> <nav role="navigation" aria-labelledby="block-forthepublic-menu" id="block-forthepublic" class="jlab-forthepublic block-menu block block-system block-system-menu-blockmenu-for-the-public"> <h2 class="visually-hidden" id="block-forthepublic-menu">For The Public</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="/about" class="heading" data-drupal-link-system-path="node/6342">For The Public</a> </li> <li> <a href="https://www.jlab.org/eic/" title="Jefferson Lab鈥檚 proposed Electron-Ion Collider">Electron-Ion Collider</a> </li> <li> <a href="https://www.jlab.org/recruiting">Job Openings</a> </li> <li> <a href="/pressroom/newsarchives" title="News" data-drupal-link-system-path="pressroom/newsarchives">News</a> </li> <li> <a href="/pressroom" title="" data-drupal-link-system-path="node/6344">Press Room</a> </li> <li> <a href="https://www.jlab.org/research">Research Highlights</a> </li> <li> <a href="/visiting" title="" data-drupal-link-system-path="node/6351">Visiting</a> </li> </ul> </div> </nav> <nav role="navigation" aria-labelledby="block-forresearchers-menu" id="block-forresearchers" class="jlab-forresearchers block-menu block block-system block-system-menu-blockmenu-for-researchers"> <h2 class="visually-hidden" id="block-forresearchers-menu">For Researchers</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="/scientists" class="heading" data-drupal-link-system-path="node/15559">For Researchers</a> </li> <li> <a href="/accelerator" title="" data-drupal-link-system-path="node/6356">Accelerator Science</a> </li> <li> <a href="https://www.eiccenter.org/" title="The Electron-Ion Collider Center at Jefferson Lab">EIC Center </a> </li> <li> <a href="https://www.jlab.org/EIC@JLab">EIC@JLab</a> </li> <li> <a href="/engineering" title="" data-drupal-link-system-path="node/6379">Engineering</a> </li> <li> <a href="/physics" title="" data-drupal-link-system-path="node/6358">Nuclear Physics</a> </li> <li> <a href="/IT/Publications" title="" data-drupal-link-system-path="node/6349">Publications</a> </li> <li> <a href="/theory" title="" data-drupal-link-system-path="node/6366" class="is-active" aria-current="page">Theory Center</a> </li> <li> <a href="/physics/user-liaison" data-drupal-link-system-path="node/6367">User Information</a> </li> </ul> </div> </nav> <nav role="navigation" aria-labelledby="block-foreducation-menu" id="block-foreducation" class="jlab-foreducation block-menu block block-system block-system-menu-blockmenu-for-education-"> <h2 class="visually-hidden" id="block-foreducation-menu">For Education </h2> <div class="jlab-blkcontent"> <ul> <li> <a href="https://education.jlab.org/" class="heading" title="Education">For Education </a> </li> <li> <a href="https://education.jlab.org/indexpages/elementgames.html" title="">Games & Puzzles</a> </li> <li> <a href="https://gspda.jlab.org/wiki/index.php/Main_Page">Postdoc/Grad Students</a> </li> <li> <a href="https://education.jlab.org/indexpages/program.html" title="">Program & Events</a> </li> <li> <a href="https://education.jlab.org/indexpages/science_videos.html" title="">Science Cinema</a> </li> <li> <a href="https://education.jlab.org/indexpages/" title="">Student Zone</a> </li> <li> <a href="https://education.jlab.org/indexpages/teachers.html" title="">Teacher Tools</a> </li> </ul> </div> </nav> <nav role="navigation" aria-labelledby="block-forindustry-menu" id="block-forindustry" class="jlab-forindustry block-menu block block-system block-system-menu-blockmenu-for-industry"> <h2 class="visually-hidden" id="block-forindustry-menu">For Business</h2> <div class="jlab-blkcontent"> <ul> <li> <a href="https://www.jlab.org/finance/procurement" class="heading" title="Business Services">For Business</a> </li> <li> <a href="https://www.jlab.org/about/communityimpact">Community Impact</a> </li> <li> <a href="/esh/emergmgt" title="" data-drupal-link-system-path="node/6372">Emergency Preparedness</a> </li> <li> <a href="https://www.jlab.org/about/comms/eventservices" title="">Event Services</a> </li> <li> <a href="https://www.jlab.org/partnerships">Partnerships</a> </li> <li> <a href="https://misportal.jlab.org/staff_search">Phone Book</a> </li> <li> <a href="/finance/procurement" title="" data-drupal-link-system-path="node/6381">Procurement</a> </li> <li> <a href="/finance/procurement/smallbusiness" title="" data-drupal-link-system-path="node/6383">Small Business Program</a> </li> <li> <a href="/techtransfer" title="" data-drupal-link-system-path="node/6353">Technology Transfer</a> </li> </ul> </div> </nav><div id="block-footermessage" class="jlab-footermessage block block-block-content block-block-contentc5561c47-0346-4aee-bf86-eda1804ef6ad"> <div class="jlab-blkcontent"> <div><p>Thomas Jefferson National Accelerator Facility is managed by</p> <p>Jefferson Science Associates, LLC for the U.S. Department of Energy</p> </div> </div> </div> </div> </div> </div> </div> </footer> </div> </div> <script src="/modules/custom/si_custom_solr_notification/js/si_custom_solr_notification.js?v=10.3.1"></script> <script src="/modules/custom/si_popup_blocks/js/si_popup_blocks.js?v=10.3.1"></script> <script src="/themes/si_theme/js/lightslider.min.js?sr4387"></script> <script src="/themes/si_theme/js/owl.carousel.custom.js?sr4387"></script> <script src="/themes/si_theme/js/jquery.marquee.min.js?sr4387"></script> <script src="/themes/si_theme/js/ics.js?sr4387"></script> <script src="/themes/si_theme/js/custom.js?sr4387"></script> <script src="/libraries/colorbox/jquery.colorbox-min.js?v=10.3.1"></script> <script src="/modules/contrib/colorbox/js/colorbox.js?v=10.3.1"></script> <script src="/modules/contrib/colorbox/styles/default/colorbox_style.js?v=10.3.1"></script> <script src="/modules/contrib/better_exposed_filters/js/better_exposed_filters.js?v=6.x"></script> <script src="/modules/contrib/better_exposed_filters/js/bef_datepickers.js?v=6.x"></script> <script src="/libraries/drupal-superfish/superfish.js?sr4387"></script> <script src="/libraries/drupal-superfish/jquery.hoverIntent.minified.js?sr4387"></script> <script src="/libraries/drupal-superfish/sfsmallscreen.js?sr4387"></script> <script src="/libraries/drupal-superfish/supposition.js?sr4387"></script> <script src="/libraries/drupal-superfish/supersubs.js?sr4387"></script> <script src="/modules/contrib/superfish/js/superfish.js?v=2.0"></script> </body> </html>