{"id":592359,"date":"2019-03-15T02:58:09","date_gmt":"2019-03-15T06:58:09","guid":{"rendered":"https:\/\/spaceweekly.com\/?guid=5ac1fa1057fd0e478323c46d0be9fe72"},"modified":"2019-03-15T02:58:09","modified_gmt":"2019-03-15T06:58:09","slug":"sea-quark-surprise-reveals-deeper-complexity-in-proton-spin-puzzle-2","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=592359","title":{"rendered":"Sea quark surprise reveals deeper complexity in proton spin puzzle"},"content":{"rendered":"<p>New data from the STAR experiment at the Relativistic Heavy Ion Collider (RHIC) add detail\u2014and complexity\u2014to an intriguing puzzle that scientists have been seeking to solve: how the building blocks that make up a proton contribute to its spin. The results, just published as a rapid communication in the journal Physical Review D, reveal definitively for the first time that different &#8220;flavors&#8221; of antiquarks contribute differently to the proton&#8217;s overall spin\u2014and in a way that&#8217;s opposite to those flavors&#8217; relative abundance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>New data from the STAR experiment at the Relativistic Heavy Ion Collider (RHIC) add detail&mdash;and complexity&mdash;to an intriguing puzzle that scientists have been seeking to solve: how the building blocks that make up a proton contribute to its spin. The results, just published as a rapid communication in the journal Physical Review D, reveal definitively for the first time that different &#8220;flavors&#8221; of antiquarks contribute differently to the proton&#8217;s overall spin&mdash;and in a way that&#8217;s opposite to those flavors&#8217; relative abundance.<\/p>\n","protected":false},"author":0,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-592359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/592359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=592359"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/592359\/revisions"}],"predecessor-version":[{"id":592360,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/592359\/revisions\/592360"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=592359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=592359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=592359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}