{"id":22466,"date":"2015-10-19T00:00:26","date_gmt":"2015-10-18T16:00:26","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=22466"},"modified":"2018-08-01T16:15:27","modified_gmt":"2018-08-01T08:15:27","slug":"%e3%80%90%e7%89%a9%e7%90%86%e6%96%b0%e7%9f%a5%e3%80%91%e6%ad%a3%e5%8f%8d%e5%8e%9f%e5%ad%90%e6%a0%b8%e6%af%94%e4%b8%80%e6%af%94","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=22466","title":{"rendered":"\u3010\u7269\u7406\u65b0\u77e5\u3011\u6b63\u53cd\u539f\u5b50\u6838\u6bd4\u4e00\u6bd4"},"content":{"rendered":"

\u25a0\u4f4d\u65bc\u6b50\u6d32\u6838\u5b50\u7814\u7a76\u7d44\u7e54(CERN)\u7684LHC\u7684ALICE\u5be6\u9a57\uff0c\u5c0d\u5be6\u9a57\u6240\u7522\u751f\u7684\u539f\u5b50\u6838\u8ddf\u53cd\u539f\u5b50\u6838\u4f5c\u4e86\u7cbe\u6e96\u7684\u6e2c\u91cf\u4ee5\u6bd4\u8f03\u5176\u8377\u8cea\u6bd4\u3002\u5728\u76ee\u524d\u7684\u5be6\u9a57\u8aa4\u5dee\u7bc4\u570d\u5167\uff0c\u6b63\u53cd\u539f\u5b50\u6838\u7684\u8377\u8cea\u6bd4\u662f\u4e00\u81f4\u7684\u3002<\/strong><\/span><\/p>\n

\"The
The ALICE experiment.Conditions of Use \u00a9 2006-2015 CERN<\/figcaption><\/figure>\n

\u64b0\u6587\uff5c<\/strong>\u9673\u52c1\u8c6a<\/p>\n

\u82f1\u570b\u7269\u7406\u5b78\u5bb6Paul Dirac\u57281928\u5e74\u63d0\u51fa\u4e86\u6b63\u96fb\u5b50(\u6b63\u5f0f\u540d\u7a31\u70ba\u6b63\u5b50)\uff0c\u4e5f\u5c31\u662f\u8ddf\u96fb\u5b50\u8cea\u91cf\u76f8\u540c\uff0c\u537b\u5e36\u8457\u76f8\u53cd\u96fb\u8377\u7684\u96fb\u5b50\u3002\u81ea\u6b64\u4e4b\u5f8c\u4fbf\u958b\u555f\u4e86\u53cd\u7269\u8cea\u7684\u6982\u5ff5\u3002\u7c21\u55ae\u7684\u8aaa\uff0c\u53cd\u7269\u8cea\u8ddf\u7269\u8cea\u7684\u8cea\u91cf\u76f8\u540c\uff0c\u96fb\u8377\u91cf\u76f8\u540c\uff0c\u4f46\u662f\u7b26\u865f\u76f8\u53cd\uff0c\u5c31\u50cf\u4e4b\u524d\u63d0\u5230\u7684\u96fb\u5b50\u8207\u6b63\u5b50\uff0c\u6216\u662f\u8cea\u5b50\u8207\u53cd\u8cea\u5b50(\u8cea\u5b50\u5e36\u4e00\u500b\u6b63\u96fb\u8377\uff0c\u53cd\u8cea\u5b50\u5e36\u4e00\u500b\u8ca0\u96fb\u8377)\u3002<\/p>\n

\u53cd\u7269\u8cea\u807d\u8d77\u4f86\u76f8\u7576\u795e\u5947\uff0c\u5c24\u5176\u662f\u5728\u79d1\u5e7b\u5c0f\u8aaa\u88e1\u9762\u5e38\u5e38\u6703\u63d0\u5230\u53cd\u7269\u8cea\uff0c\u9084\u6709\u5404\u5f0f\u5404\u6a23\u5929\u99ac\u884c\u7a7a\u7684\u7528\u9014\u3002\u5be6\u969b\u4e0a\uff0c\u53cd\u7269\u8cea\u4e26\u4e0d\u865b\u5e7b\u3002\u5728\u9ad8\u80fd\u7c92\u5b50\u7269\u7406\u5be6\u9a57\u5ba4\u4e2d\uff0c\u4f8b\u5982LHC\u7684\u8cea\u5b50\u5c0d\u649e\uff0c\u6bcf\u6b21\u5c0d\u649e\u90fd\u6703\u7522\u751f\u7121\u6578\u7684\u53cd\u7c92\u5b50\u3002\u5373\u4fbf\u5728\u65e5\u5e38\u751f\u6d3b\u4e2d\uff0c\u53cd\u7269\u8cea\u96e2\u6211\u5011\u7684\u751f\u6d3b\u4e5f\u4e0d\u9060\u3002\u91ab\u9662\u4e2d\u5e38\u7528\u7684PET\u9020\u5f71\uff0c\u5168\u540d\u662f\u6b63\u5b50\u65b7\u5c64\u9020\u5f71(positron emission tomography)\u4fbf\u6703\u5229\u7528\u5230\u6b63\u5b50\u3002<\/p>\n

\u767c\u73fe\u53cd\u7269\u8cea\u5c0d\u7269\u7406\u754c\u6700\u5927\u7684\u5f71\u97ff\u4e4b\u4e00\uff0c\u4fbf\u662f\u7269\u7406\u5b78\u5bb6\u767c\u73fe\uff0c\u4ed6\u5011\u53ef\u4ee5\u627e\u7684\u7c92\u5b50\u5ffd\u7136\u591a\u4e86\u4e00\u500d\uff0c\u6240\u4ee5\u591a\u4e86\u975e\u5e38\u591a\u4e8b\u60c5\u53ef\u4ee5\u505a\u3002\u6700\u91cd\u8981\u7684\u8ab2\u984c\uff0c\u4fbf\u662f\u4ee5\u5be6\u9a57\u65b9\u6cd5\u6e2c\u91cf\u6b63\u53cd\u7269\u8cea\u7684\u6027\u8cea\uff0c\u770b\u770b\u9019\u5169\u8005\u662f\u4e0d\u662f\u8ddf\u7406\u8ad6\u9810\u671f\u4e00\u6a23\uff0c\u9664\u4e86\u96fb\u8377\u7b26\u865f\u76f8\u53cd\u4e4b\u5916\uff0c\u5176\u4ed6\u6027\u8cea\u90fd\u4e00\u6a23\u3002\u6700\u5e38\u898b\u7684\u65b9\u6cd5\u662f\u6e2c\u91cf\u5169\u8005\u7684\u96fb\u8377\u8207\u8cea\u91cf\u7684\u6bd4\u4f8b\u3002\u56e0\u70ba\u5169\u8005\u5e36\u7684\u96fb\u8377\u90fd\u662f\u57fa\u672c\u96fb\u8377\u7684\u6574\u6578\u500d\uff0c\u552f\u4e00\u7684\u5dee\u5225\u662f\u5169\u8005\u6240\u5e36\u7684\u8cea\u91cf\u3002\u6240\u4ee5\u85c9\u7531\u6e2c\u91cf\u8377\u8cea\u6bd4\uff0c\u7269\u7406\u5b78\u5bb6\u53ef\u4ee5\u4ed4\u7d30\u7814\u7a76\u6b63\u53cd\u7269\u8cea\u7684\u6027\u8cea\u3002<\/p>\n

\u4f46\u662f\u8981\u88fd\u9020\u53cd\u7269\u8cea\u4e26\u4e0d\u5982\u60f3\u50cf\u4e2d\u7c21\u55ae\u3002\u9664\u4e86\u6b63\u96fb\u5b50\u4e4b\u5916\uff0c\u5e7e\u4e4e\u6240\u6709\u7684\u53cd\u7269\u8cea\u7c92\u5b50\u90fd\u76f8\u7576\u96e3\u4ee5\u7522\u751f\u3002\u4f46\u662f\u5c0d\u4f4d\u65bcLHC\u7684ALICE\u5be6\u9a57\u4f86\u8aaa\uff0c\u88fd\u9020\u53cd\u7269\u8cea\u4e26\u4e0d\u662f\u56f0\u96e3\u7684\u4e8b\u60c5\u3002ALICE\u5be6\u9a57\u662fLHC\u7684\u56db\u500b\u5927\u578b\u5be6\u9a57\u4e4b\u4e00\uff0c\u4e3b\u8981\u7684\u7814\u7a76\u4efb\u52d9\u662f\u7814\u7a76\u9ad8\u80fd\u91cf\u925b\u539f\u5b50\u5c0d\u649e\u5f8c\u6240\u7522\u751f\u7684\u5938\u514b\u81a0\u5b50\u96fb\u6f3f\u7684\u6027\u8cea\u3002\u925b\u539f\u5b50\u5728LHC\u52a0\u901f\u81f3\u539f\u5b50\u4e2d\u7684\u6bcf\u500b\u8cea\u5b50\u8207\u4e2d\u5b50\u90fd\u5e36\u67091.38TeV\u7684\u80fd\u91cf\uff0c\u56e0\u6b64\u5c0d\u649e\u6642\u6bcf\u500b\u6838\u5b50\u5c0d\u7684\u8cea\u5fc3\u5c0d\u649e\u80fd\u91cf\u662f2.76TeV\u3002\u56e0\u70ba\u925b\u539f\u5b50\u7684\u8cea\u5b50\u8ddf\u4e2d\u5b50\u5171\u6709208\u500b\uff0c\u56e0\u6b64\u925b\u539f\u5b50\u5c0d\u649e\u6642\u6703\u653e\u51fa\u76f8\u7576\u5de8\u5927\u7684\u80fd\u91cf\uff0c\u628a\u8cea\u5b50\u8ddf\u4e2d\u5b50\u878d\u5316\u4e26\u91cb\u653e\u51fa\u7121\u6578\u7684\u5938\u514b\u8207\u81a0\u5b50\u3002\u5728\u9019\u500b\u8d85\u9ad8\u6eab\u72c0\u614b\u5e7e\u4e4e\u76f8\u7576\u65bc\u5b87\u5b99\u5927\u7206\u70b8\u5f8c0.000001\u79d2\u7684\u72c0\u614b\u3002\u9019\u500b\u72c0\u614b\u5e36\u6709\u7d04\u7565\u76f8\u540c\u6578\u76ee\u7684\u5938\u514b\u8207\u53cd\u5938\u514b\uff0c\u53ef\u4ee5\u9032\u800c\u7d44\u6210\u539f\u5b50\u6838\u8207\u53cd\u539f\u5b50\u6838\u3002<\/p>\n

ALICE\u5be6\u9a57\u53ef\u4ee5\u7cbe\u78ba\u7684\u5206\u96e2\u51fa\u6c2b\u539f\u5b50\u6838(\u4e00\u500b\u8cea\u5b50)\uff0c\u6c18(\u4e00\u500b\u8cea\u5b50\u52a0\u4e00\u500b\u4e2d\u5b50)\uff0c\u6c1a(\u4e00\u500b\u8cea\u5b50\u52a0\u5169\u500b\u4e2d\u5b50)\uff0c\u9084\u6709\u6c26\u4e09(\u5169\u500b\u8cea\u5b50\u52a0\u4e00\u500b\u4e2d\u5b50)\u53ca\u4e0a\u8ff0\u5404\u500b\u539f\u5b50\u6838\u7684\u53cd\u7269\u8cea\u3002\u5f9e\u6e2c\u91cf\u7684\u7d50\u679c\u767c\u73fe\uff0c\u518d\u5be6\u9a57\u8aa4\u5dee\u5167\uff0c\u5404\u500b\u6b63\u53cd\u539f\u5b50\u6838\u7684\u8377\u8cea\u6bd4\u90fd\u4e00\u81f4\uff0c\u4e5f\u5c31\u662f\u770b\u4e0d\u51fa\u4efb\u4f55\u5dee\u7570\u3002\u9019\u662f\u76ee\u524d\u5c0d\u53cd\u7269\u8cea\u539f\u5b50\u6838\uff0c\u5c24\u5176\u662f\u6bd4\u8cea\u5b50\u91cd\u7684\u539f\u5b50\u6838\u4e2d\uff0c\u6240\u5f97\u5230\u7684\u6700\u7cbe\u6e96\u7684\u7d50\u679c\u3002<\/p>\n

CERN\u7684\u53e6\u5916\u4e00\u500b\u5be6\u9a57BASE\u4e5f\u662f\u6e2c\u91cf\u6b63\u53cd\u8cea\u5b50\u7684\u8377\u8cea\u6bd4\uff0c\u53ea\u662f\u4ed6\u5011\u662f\u628a\u8cea\u5b50\u8ddf\u53cd\u8cea\u5b50\u51b7\u537b\u5230\u6975\u4f4e\u80fd\u91cf\u4f86\u9032\u884c\u7cbe\u78ba\u6e2c\u91cf\uff0c\u6240\u4ee5\u5be6\u9a57\u74b0\u5883\u8207\u80fd\u91cf\u6fc0\u70c8\u7684ALICE\u5b8c\u5168\u662f\u5169\u56de\u4e8b\u3002\u4f46\u662f\u9019\u5169\u500b\u5be6\u9a57\u90fd\u5f97\u5230\u76f8\u540c\u7684\u7d50\u8ad6\u3002\u9019\u6b63\u662f\u7269\u7406\u5b78\u6709\u8da3\u7684\u5730\u65b9\u3002<\/p>\n

\u539f\u59cb\u8ad6\u6587<\/strong>
\nPrecision measurement of the mass difference between light nuclei and anti-nuclei
\nALICE Collaboration
\nNature Physics (2015)\u3000doi:10.1038\/nphys3432<\/a><\/p>\n

\u53c3\u8003\u8cc7\u6599<\/strong>
\nCERN Press Release 2015\/08\/17: The ALICE experiment at CERN makes precise comparison of light nuclei and antinuclei<\/a><\/p>\n

--<\/strong><\/span>
\u4f5c\u8005\uff1a\u9673\u52c1\u8c6a\u3000\u79d1\u6559\u4e2d\u5fc3\u7279\u7d04\u5beb\u624b\uff0c\u5f9e\u4e8b\u79d1\u666e\u6587\u7ae0\u5beb\u4f5c\u30022011\u5e74\u65bc\u7f8e\u570b\u7d10\u7d04\u5dde\u7acb\u77f3\u6eaa\u5927\u5b78(SUNY at Stony Brook)\u53d6\u5f97\u535a\u58eb\u5b78\u4f4d\uff0c\u7814\u7a76\u4e3b\u984c\u70ba\u76f8\u5c0d\u8ad6\u6027\u91cd\u96e2\u5b50\u78b0\u649e(Relativistic Heavy Ion Collision)\u3002\u9577\u671f\u64d4\u4efb\u4e2d\u6587\u79d1\u5b78\u65b0\u805e\u7db2\u7ad9\u300c\u79d1\u666f\u300d(Sciscape.org)\u7e3d\u7de8\u8f2f\u3002<\/strong><\/span><\/p>\n

 <\/p>\n

\"\u52a0\u5165\u597d\u53cb\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u25a0\u4f4d\u65bc\u6b50\u6d32\u6838\u5b50\u7814\u7a76\u7d44\u7e54(CERN)\u7684LH<\/p>\n","protected":false},"author":20,"featured_media":22468,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3293,39],"tags":[2123,1578,2119,2122,2120,2121,1435,2124,1577,1535],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2015\/09\/0603027_03-A4-at-144-dpi.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/22466"}],"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=22466"}],"version-history":[{"count":6,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/22466\/revisions"}],"predecessor-version":[{"id":32358,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/22466\/revisions\/32358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/22468"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}