{"id":36260,"date":"2021-03-02T09:56:33","date_gmt":"2021-03-02T01:56:33","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=36260"},"modified":"2021-03-02T09:57:32","modified_gmt":"2021-03-02T01:57:32","slug":"%e8%b3%aa%e5%ad%90%e7%9a%84%e5%85%a7%e9%83%a8%e7%b5%90%e6%a7%8b%e5%a4%a7%e9%a9%9a%e5%a5%87","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=36260","title":{"rendered":"\u8cea\u5b50\u7684\u5167\u90e8\u7d50\u69cb\u5927\u9a5a\u5947"},"content":{"rendered":"<p><span style=\"color: #333399;\"><strong>\u8cbb\u7c73\u5be6\u9a57\u5ba4E906\/SeaQuest\u7684\u6700\u65b0\u5be6\u9a57\u7d50\u679c\u986f\u793a\uff0c<wbr>\u8cea\u5b50\u4e2d\u7684\u53cd\u4e0b\u5938\u514b\u6578\u91cf\u6bd4\u53cd\u4e0a\u5938\u514b\u591a\u3002<wbr>\u5be6\u9a57\u7d50\u679c\u65bc\u4e8c\u670824\u65e5\u767c\u8868\u65bc <em>Nature<\/em>\u3002<\/strong><\/span><\/p>\n<figure id=\"attachment_36263\" aria-describedby=\"caption-attachment-36263\" style=\"width: 450px\" class=\"wp-caption alignleft\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-36263\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/03\/022321_EC_proton-antimatter_feat.jpg\" alt=\"\" width=\"450\" height=\"253\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/03\/022321_EC_proton-antimatter_feat.jpg 1030w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/03\/022321_EC_proton-antimatter_feat-300x169.jpg 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/03\/022321_EC_proton-antimatter_feat-768x432.jpg 768w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/03\/022321_EC_proton-antimatter_feat-1024x577.jpg 1024w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><figcaption id=\"caption-attachment-36263\" class=\"wp-caption-text\">DANIEL DOMINGUEZ\/CERN<\/figcaption><\/figure>\n<p><strong>\u64b0\u6587\uff0f\u9673\u52c1\u8c6a<\/strong><\/p>\n<p>\u5f9e\u6700\u7c21\u55ae\u7684\u89d2\u5ea6\u4f86\u770b\uff0c\u8cea\u5b50\u662f\u7531\u5169\u500b\u4e0a\u5938\u514b(up quark)\u8207\u4e00\u500b\u4e0b\u5938\u514b(down quark)\u6240\u7d44\u6210\u3002\u90a3\u70ba\u4ec0\u9ebc\u8cea\u5b50\u4e2d\u6703\u51fa\u73fe\u53cd\u4e0a\u5938\u514b\u8207\u53cd\u4e0b\u5938\u514b\uff0c<wbr>\u4e5f\u5c31\u662f\u4e0a\u5938\u514b\u8207\u4e0b\u5938\u514b\u7684\u53cd\u7269\u8cea\uff1f\u56e0\u70ba\u5728\u8cea\u5b50\u5167\u90e8\uff0c<wbr>\u9019\u4e09\u500b\u5938\u514b\u4e4b\u9593\u7531\u81a0\u5b50\u76f8\u4e92\u9023\u7d50\u3002\u81a0\u5b50\u5728\u9023\u63a5\u5938\u514b\u7684\u540c\u6642\uff0c<wbr>\u81a0\u5b50\u672c\u8eab\u4e5f\u6703\u4e0d\u65b7\u7522\u751f\u6b63\u53cd\u5938\u514b\u5c0d\uff0c<wbr>\u7136\u5f8c\u9019\u4e9b\u6b63\u53cd\u5938\u514b\u5c0d\u6703\u99ac\u4e0a\u76f8\u4e92\u6e6e\u6ec5\u3002\u56e0\u6b64\u5e73\u5747\u4f86\u770b\uff0c<wbr>\u6211\u5011\u4e26\u4e0d\u6703\u5bdf\u89ba\u5230\u9019\u4e9b\u6b63\u53cd\u5938\u514b\u5c0d\u7684\u5b58\u5728\u3002<wbr>\u9019\u4e9b\u4e0d\u65b7\u7522\u751f\u7684\u6b63\u53cd\u5938\u514b\u5c0d\u7684\u6578\u91cf\u6975\u591a\uff0c\u56e0\u6b64\u53c8\u88ab\u7a31\u70ba\u5938\u514b\u6d77(<wbr>sea quark)\u3002<wbr>\u6240\u4ee5\u5927\u81f4\u4e0a\u53ef\u4ee5\u8a8d\u70ba\u8cea\u5b50\u4e2d\u7684\u4e09\u500b\u5938\u514b\u5176\u5be6\u662f\u4f4d\u65bc\u7531\u4e00\u5927\u5806\u4e0d\u65b7\u76f8\u4e92<wbr>\u6e6e\u6ec5\u7684\u6b63\u53cd\u5938\u514b\u5c0d\u6240\u5f62\u6210\u7684\u5938\u514b\u6d77\u88e1\u9762\u3002E906\u7684\u5be6\u9a57\u540d\u7a31\"<wbr>SeaQuest\"\u5176\u5be6\u4e5f\u6709\u300c\u63a2\u7d22\u5938\u514b\u6d77\u300d\u7684\u610f\u601d<\/p>\n<p>\u5728\u9019\u7247\u5938\u514b\u6d77\u88e1\u9762\uff0c\u7531\u65bc\u4e0a\u5938\u514b\u8207\u4e0b\u5938\u514b\u7684\u8cea\u91cf\u5dee\u4e0d\u591a\uff0c<wbr>\u56e0\u6b64\u4e00\u822c\u8a8d\u70ba\u5938\u514b\u6d77\u88e1\u9762\uff0c<wbr>\u53cd\u4e0a\u5938\u514b\u8207\u53cd\u4e0b\u5938\u514b\u7684\u51fa\u7dda\u6a5f\u7387\u61c9\u8a72\u76f8\u540c\u3002\u9019\u53c8\u7a31\u70ba\u98a8\u5473\u5c0d\u7a31(<wbr>flavor symmetry)\u3002\u70ba\u4e86\u63a2\u6e2c\u8cea\u5b50\u7684\u5167\u90e8\u7d50\u69cb\uff0cSidney Drell\u8207\u984f\u6771\u8302\u6559\u6388\u57281970\u5e74\u4ee3\u63d0\u51fa\u4e86Drell-<wbr>Yan\u7684\u65b9\u6cd5\uff0c\u7528\u9ad8\u80fd\u8cea\u5b50\u8207\u8cea\u5b50\u9776\u5c0d\u649e\uff0c<wbr>\u9019\u6642\u9ad8\u80fd\u8cea\u5b50\u4e2d\u7684\u6210\u5206\u5938\u514b(\u4f8b\u5982\u4e0b\u5938\u514b)<wbr>\u6709\u53ef\u80fd\u6703\u8ddf\u8cea\u5b50\u9776\u4e2d\u7684\u5938\u514b\u6d77\u6240\u5e36\u6709\u7684\u53cd\u4e0b\u5938\u514b\u5f62\u6210\u6b63\u53cd\u5938\u514b\u5c0d\uff0c<wbr>\u9032\u800c\u76f8\u4e92\u6e6e\u6ec5\u7522\u751f\u4e00\u500b\u865b\u5149\u5b50\u3002<wbr>\u9019\u500b\u865b\u5149\u5b50\u6703\u9032\u4e00\u6b65\u8870\u8b8a\u7522\u751f\u6b63\u8ca0\u96fb\u5b50\u5c0d\u6216\u6b63\u8ca0\u6e3a\u5b50\u5c0d\u3002<wbr>\u900f\u904e\u6e2c\u91cf\u9019\u4e9b\u7531\u865b\u5149\u5b50\u6240\u7522\u751f\u7684\u6b63\u8ca0\u96fb\u5b50\u5c0d\u6216\u6b63\u8ca0\u6e3a\u5b50\u5c0d\uff0c<wbr>\u7269\u7406\u5b78\u5bb6\u53ef\u4ee5\u6e2c\u91cf\u5938\u514b\u6d77\u4e2d\u53cd\u5938\u514b\u7684\u6578\u91cf\u3002<\/p>\n<p>\u904e\u53bb\u7684\u5be6\u9a57\u767c\u73fe\u8cea\u5b50\u4e2d\u7684\u53cd\u4e0a\u5938\u514b\u8207\u53cd\u4e0b\u5938\u514b\u7684\u6578\u91cf\u4f3c\u4e4e\u4e0d\u76f8\u540c(<wbr>flavor asymmetry)\u3002\u70ba\u4e86\u78ba\u8a8d\u9019\u500b\u73fe\u8c61\uff0cE906\/<wbr>SeaQuest\u5be6\u9a57\u5229\u7528\u9ad8\u80fd\u8cea\u5b50\u5c0d\u4f86\u8f5f\u64ca\u6db2\u614b\u6c2b(\u8cea\u5b50)<wbr>\u8207\u6db2\u614b\u6c18 (\u8cea\u5b50\u52a0\u4e2d\u5b50)\uff0c<wbr>\u4e26\u6e2c\u91cf\u9019\u4e9b\u7531\u865b\u5149\u5b50\u6240\u7522\u751f\u7684\u6b63\u8ca0\u96fb\u5b50\u5c0d\u6216\u6b63\u8ca0\u6e3a\u5b50\u5c0d\u3002<wbr>\u6839\u64da\u5be6\u9a57\u7d50\u679c\uff0c<wbr>E906\u7684\u7269\u7406\u5b78\u5bb6\u767c\u73fe\u660e\u78ba\u7684\u8b49\u64da\u986f\u793a\u8cea\u5b50\u4e2d\u7684\u53cd\u4e0b\u5938\u514b\u7684\u6578\u91cf\u5927<wbr>\u65bc\u53cd\u4e0a\u5938\u514b\u7684\u6578\u91cf\uff0c<wbr>\u800c\u4e14\u9019\u500b\u73fe\u8c61\u5728\u5be6\u9a57\u6240\u6e2c\u91cf\u7684\u53cd\u5938\u514b\u52d5\u91cf\u7bc4\u570d\u90fd\u6210\u7acb\u3002 \u56e0\u6b64\u9019\u8868\u793a\u8cea\u5b50\u7684\u5167\u90e8\u7d50\u69cb\uff0c\u4e5f\u5c31\u662f\u5938\u514b\u6d77\uff0c<wbr>\u53ef\u80fd\u6bd4\u6211\u5011\u6240\u60f3\u50cf\u7684\u66f4\u70ba\u8907\u96dc\u3002&nbsp;<\/p>\n<p>\u900f\u904e\u5c0d\u9019\u500b\u554f\u984c\u7684\u9032\u4e00\u6b65\u7814\u7a76\uff0c<wbr>\u7269\u7406\u5b78\u5bb6\u53ef\u4ee5\u5c0d\u8cea\u5b50\u7d50\u69cb\u6709\u66f4\u6e05\u695a\u7684\u8a8d\u8b58\u3002<wbr>\u9019\u5c0d\u4f4d\u65bc\u745e\u58eb\u7684LHC\u5be6\u9a57\u4e5f\u662f\u6975\u70ba\u91cd\u8981\uff0c<wbr>\u56e0\u70baLHC\u4e3b\u8981\u662f\u9032\u884c\u8cea\u5b50\u5c0d\u649e\u3002<wbr>\u5c0d\u8cea\u5b50\u7d50\u69cb\u7684\u9032\u4e00\u6b65\u77ad\u89e3\u5c07\u53ef\u4ee5\u5c0dLHC\u7684\u5c0d\u649e\u7d50\u679c\u6709\u66f4\u6df1\u5165\u7684\u8a8d\u8b58<wbr>\u3002<\/p>\n<p>\u4e2d\u7814\u9662\u8207\u9ad8\u5e2b\u5927\u7269\u7406\u7cfb\u5747\u6709\u53c3\u52a0E906\/SeaQuest\u5be6\u9a57\u3002<\/p>\n<p><strong>\u539f\u59cb\u8ad6\u6587<\/strong><br \/>\n<a href=\"https:\/\/www.nature.com\/articles\/s41586-021-03282-z\">The asymmetry of antimatter in the proton<\/a>, Nature volume 590, pages561\u2013565(2021)<br \/>\n<strong>\u53c3\u8003\u8cc7\u6599<\/strong><br \/>\n<a href=\"https:\/\/www.nature.com\/articles\/d41586-021-00430-3\">Antimatter in the proton is more down than up<\/a>, Nature 590, 559-560 (2021)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8cbb\u7c73\u5be6\u9a57\u5ba4E906\/SeaQuest\u7684\u6700\u65b0\u5be6\u9a57\u7d50\u679c\u986f\u793a\uff0c\u8cea\u5b50\u4e2d\u7684\u53cd\u4e0b\u5938\u514b\u6578\u91cf\u6bd4\u53cd\u4e0a\u5938\u514b\u591a\u3002\u5be6\u9a57\u7d50\u679c\u65bc\u4e8c\u670824\u65e5\u767c\u8868\u65bc Nature\u3002<\/p>\n","protected":false},"author":20,"featured_media":36263,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3293,39],"tags":[1576,1577],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/03\/022321_EC_proton-antimatter_feat.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36260"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=36260"}],"version-history":[{"count":2,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36260\/revisions"}],"predecessor-version":[{"id":36265,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/36260\/revisions\/36265"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/36263"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=36260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=36260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=36260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}