{"id":380,"date":"2021-02-23T10:38:22","date_gmt":"2021-02-23T15:38:22","guid":{"rendered":"https:\/\/sites.temple.edu\/nuclear\/?page_id=380"},"modified":"2021-02-23T11:23:58","modified_gmt":"2021-02-23T16:23:58","slug":"origin-of-the-proton-mass","status":"publish","type":"page","link":"https:\/\/sites.temple.edu\/nuclear\/origin-of-the-proton-mass\/","title":{"rendered":"Origin of the Proton Mass"},"content":{"rendered":"\n<p>The National Academies of Sciences, Engineering, and Medicine (NAS) identified three high-priority science questions to understand the hadron structure in their report &#8220;<a href=\"https:\/\/www.nap.edu\/catalog\/25171\/an-assessment-of-us-based-electron-ion-collider-science\">An Assessment of U.S.-Based Electron-Ion Collider Science<\/a>&#8221;. The first of the three questions is <em>\u201cHow does the mass of the nucleon arise?\u201d<\/em>. Our group is spearheading an experimental program that aims to decode the mass-budget of the nucleon.<\/p>\n\n\n\n<p>The Solenoidal Large Intensity Device (SoLID), is a long-term and large-scale project that will carry the future experimental program in Hall A at Jefferson Lab. The <a href=\"https:\/\/hallaweb.jlab.org\/12GeV\/SoLID\/download\/doc\/solid_precdr.pdf\">SoLID physics program<\/a> involves three parallel scientific pillars. Our group is holding a leading role in one of these programs. Prof. Sparveris is a co-spokesperson of the <a href=\"https:\/\/www.jlab.org\/exp_prog\/proposals\/12\/PR12-12-006.pdf\">SoLID-J\/Psi<\/a> experiment, that will study in depth a number of key aspects of nucleon&#8217;s low energy structure, and will measure with high precision an important component of the proton mass budget, the trace anomaly.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"382\" src=\"https:\/\/sites.temple.edu\/nuclear\/files\/2021\/02\/Solid-1024x382.png\" alt=\"\" class=\"wp-image-390\" srcset=\"https:\/\/sites.temple.edu\/nuclear\/files\/2021\/02\/Solid-1024x382.png 1024w, https:\/\/sites.temple.edu\/nuclear\/files\/2021\/02\/Solid-300x112.png 300w, https:\/\/sites.temple.edu\/nuclear\/files\/2021\/02\/Solid-768x286.png 768w, https:\/\/sites.temple.edu\/nuclear\/files\/2021\/02\/Solid.png 1478w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Figure:<\/strong> The Solenoidal Large Intensity Device (SoLID). The Temple group has a responsibility towards the construction of the SoLID Light Gas Cherenkov (LGC), shown at the center. A blown-out view of one of the LGC sectors is shown at the right panel.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"entry-summary\">\nThe National Academies of Sciences, Engineering, and Medicine (NAS) identified three high-priority science questions to understand the hadron structure in their report &#8220;An Assessment of U.S.-Based Electron-Ion Collider Science&#8221;. The first of the three questions is \u201cHow does the mass&hellip;\n<\/div>\n<div class=\"link-more\"><a href=\"https:\/\/sites.temple.edu\/nuclear\/origin-of-the-proton-mass\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &ldquo;Origin of the Proton Mass&rdquo;<\/span>&hellip;<\/a><\/div>\n","protected":false},"author":18332,"featured_media":397,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-380","page","type-page","status-publish","has-post-thumbnail","hentry","entry"],"_links":{"self":[{"href":"https:\/\/sites.temple.edu\/nuclear\/wp-json\/wp\/v2\/pages\/380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.temple.edu\/nuclear\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.temple.edu\/nuclear\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/nuclear\/wp-json\/wp\/v2\/users\/18332"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/nuclear\/wp-json\/wp\/v2\/comments?post=380"}],"version-history":[{"count":0,"href":"https:\/\/sites.temple.edu\/nuclear\/wp-json\/wp\/v2\/pages\/380\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/nuclear\/wp-json\/wp\/v2\/media\/397"}],"wp:attachment":[{"href":"https:\/\/sites.temple.edu\/nuclear\/wp-json\/wp\/v2\/media?parent=380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}