

{"id":25004,"date":"2016-07-18T00:09:05","date_gmt":"2016-07-17T16:09:05","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=25004"},"modified":"2018-08-03T14:47:26","modified_gmt":"2018-08-03T06:47:26","slug":"%e3%80%90%e7%89%a9%e7%90%86%e7%a0%94%e7%a9%b6%e3%80%91%e5%9c%a8%e5%8d%97%e6%a5%b5%e5%b0%8b%e6%89%be%e7%ac%ac%e5%9b%9b%e7%a8%ae%e5%be%ae%e4%b8%ad%e5%ad%90","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=25004","title":{"rendered":"\u3010\u7269\u7406\u7814\u7a76\u3011\u5728\u5357\u6975\u5c0b\u627e\u7b2c\u56db\u7a2e\u5fae\u4e2d\u5b50"},"content":{"rendered":"<p><span style=\"color: #333399;\"><strong>\u25a0\u7269\u7406\u5b78\u5bb6\u5229\u7528\u4f4d\u65bc\u5357\u6975\u7684 IceCube \u5be6\u9a57\u5c0b\u627e\u7b2c\u56db\u7a2e\u5fae\u4e2d\u5b50\uff1a\u60f0\u6027\u5fae\u4e2d\u5b50(sterile neutrino)\uff0c\u4e0d\u904e\u76ee\u524d\u70ba\u6b62\u5c1a\u672a\u88ab\u767c\u73fe\u3002<\/strong><\/span><\/p>\n<figure id=\"attachment_25007\" aria-describedby=\"caption-attachment-25007\" style=\"width: 450px\" class=\"wp-caption alignleft\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-25007\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/07\/PW-2016-05-13-Allen-sterile.jpg\" alt=\"(Courtesy: Jamie Yang, IceCube Collaboration)\" width=\"450\" height=\"255\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/07\/PW-2016-05-13-Allen-sterile.jpg 700w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/07\/PW-2016-05-13-Allen-sterile-300x170.jpg 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/07\/PW-2016-05-13-Allen-sterile-600x340.jpg 600w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><figcaption id=\"caption-attachment-25007\" class=\"wp-caption-text\">(Courtesy: Jamie Yang, IceCube Collaboration)<\/figcaption><\/figure>\n<p><strong>\u64b0\u6587\uff5c<\/strong>\u9673\u52c1\u8c6a<\/p>\n<p>\u5728\u76ee\u524d\u7684\u7c92\u5b50\u7269\u7406\u6a19\u6e96\u6a21\u578b\u4e2d\uff0c\u5fae\u4e2d\u5b50\u5c6c\u65bc\u8f15\u5b50(lepton)\u7684\u4e00\u90e8\u5206\uff0c\u4e00\u5171\u6709\u4e09\u7a2e\u98a8\u5473(flavor)\uff1a\u96fb\u5b50\u5fae\u4e2d\u5b50\uff0c\u6e3a\u5b50\u5fae\u4e2d\u5b50\u9084\u6709\u6fe4\u5fae\u4e2d\u5b50\u3002\u904e\u53bb\u7684\u5be6\u9a57\u9a57\u8b49\u4e5f\u78ba\u8a8d\u4e86\u5728\u6a19\u6e96\u6a21\u578b\u7684\u67b6\u69cb\u4e0b\uff0c\u7684\u78ba\u53ea\u6709\u4e09\u7a2e\u5fae\u4e2d\u5b50\u3002\u9019\u4e09\u7a2e\u5fae\u4e2d\u5b50\u5171\u540c\u7684\u7279\u6027\u5c31\u662f\u8cea\u91cf\u6975\u5c0f\u4f46\u4e0d\u70ba\u96f6\uff0c\u6240\u4ee5\u6839\u64da\u91cf\u5b50\u529b\u5b78\uff0c\u5fae\u4e2d\u5b50\u7684\u98a8\u5473\u6709\u4e00\u5b9a\u7684\u6a5f\u7387\u6539\u8b8a\u6210\u53e6\u4e00\u7a2e\u7684\u98a8\u5473\u3002\u9019\u5c31\u662f\u6240\u8b02\u7684\u5fae\u4e2d\u5b50\u9707\u76ea\uff0c\u800c\u767c\u73fe\u9019\u500b\u73fe\u8c61\u7684\u5169\u4f4d\u7269\u7406\u5b78\u5bb6\u4e5f\u56e0\u6b64\u7372\u5f97\u4e862015\u5e74\u7684\u8afe\u8c9d\u723e\u7269\u7406\u5b78\u734e\u3002\u800c\u5fae\u4e2d\u5b50\u5118\u7ba1\u662f\u5b87\u5b99\u4e2d\u542b\u91cf\u7b2c\u4e8c\u591a\u7684\u57fa\u672c\u7c92\u5b50\uff0c\u4f46\u537b\u662f\u6700\u96e3\u5075\u6e2c\u5230\u7684\u4e00\u7a2e\uff0c\u56e0\u70ba\u5fae\u4e2d\u5b50\u5e7e\u4e4e\u4e0d\u8207\u4efb\u4f55\u7269\u8cea\u4f5c\u7528\uff0c\u540c\u6642\u4e0d\u5e36\u96fb\u8377\uff0c\u6240\u4ee5\u5c0d\u5be6\u9a57\u7269\u7406\u5b78\u5bb6\u4f86\u8aaa\u662f\u6700\u96e3\u6e2c\u91cf\u7684\u7c92\u5b50\u3002\u4e5f\u56e0\u6b64\uff0c\u5fae\u4e2d\u5b50\u5be6\u9a57\u7684\u5171\u540c\u7279\u6027\u5c31\u662f\u9ad4\u7a4d\u9f90\u5927\uff0c\u5e0c\u671b\u80fd\u5920\u4ee5\u91cf\u53d6\u52dd\u4f86\u589e\u52a0\u770b\u5230\u5fae\u4e2d\u5b50\u7684\u6a5f\u6703\u3002<!--more--><\/p>\n<p>\u4f46\u662f\u70ba\u4e86\u89e3\u91cb\u5176\u4ed6\u7684\u7269\u7406\u73fe\u8c61\uff0c\u4f8b\u5982\u6697\u7269\u8cea\u7684\u5b58\u5728\uff0c\u9664\u4e86\u9019\u4e09\u7a2e\u5fae\u4e2d\u5b50\u5916\uff0c\u7406\u8ad6\u7269\u7406\u5b78\u5bb6\u5728\u6a19\u6e96\u6a21\u578b\u7684\u67b6\u69cb\u4e4b\u5916\u53c8\u63d0\u51fa\u4e86\u7b2c\u56db\u7a2e\u5fae\u4e2d\u5b50\uff1a\u60f0\u6027\u5fae\u4e2d\u5b50(sterile neutrino)\u3002\u9019\u7a2e\u60f0\u6027\u5fae\u4e2d\u5b50\u53ea\u8207\u91cd\u529b\u767c\u751f\u53cd\u61c9\uff0c\u6240\u4ee5\u6bd4\u6a19\u6e96\u6a21\u578b\u7684\u5fae\u4e2d\u5b50\u66f4\u96e3\u88ab\u5075\u6e2c\u5230\u3002\u4f46\u662f\u5982\u679c\u9019\u7a2e\u60f0\u6027\u5fae\u4e2d\u5b50\u5b58\u5728\u7684\u8a71\uff0c\u5c07\u53ef\u80fd\u6210\u70ba\u5b87\u5b99\u4e2d\u6697\u7269\u8cea\u7684\u4e3b\u8981\u5019\u9078\u4eba\u3002\u7269\u7406\u5b78\u5bb6\u8a2d\u8a08\u4e86\u8a31\u591a\u5be6\u9a57\u8a66\u8457\u8981\u5c0b\u627e\u60f0\u6027\u5fae\u4e2d\u5b50\uff0c\u4f46\u662f\u4e00\u76f4\u6c92\u6709\u627e\u5230\u3002<\/p>\n<p>\u4f4d\u65bc\u5357\u6975\u6975\u9ede\u7684 IceCube \u5be6\u9a57\u662f\u4e00\u500b\u7528\u4f86\u5075\u6e2c\u9ad8\u80fd\u5b87\u5b99\u5fae\u4e2d\u5b50\u7684\u5be6\u9a57\uff0c\u80fd\u91cf\u7d04\u662f <span class='MathJax_Preview'><img src='https:\/\/case.ntu.edu.tw\/blog\/wp-content\/plugins\/latex\/cache\/tex_1ca29de2c8fe3285f9e27b03a104a260.gif' style='vertical-align: middle; border: none; padding-bottom:2px;' class='tex' alt=\"\" \/><\/span><script type='math\/tex'><\/script> \u4e4b\u9593\u3002\u9019\u500b\u5be6\u9a57\u5c07\u5357\u6975\u7684\u51b0\u5c64\u947d\u4e8686\u500b\u5b54\uff0c\u4e26\u5c075160\u500b\u5149\u96fb\u500d\u589e\u7ba1\u653e\u5728\u5169\u5343\u516c\u5c3a\u6df1\u7684\u51b0\u5c64\u4e4b\u4e0b\uff0c\u7e3d\u9ad4\u7a4d\u5927\u7d04\u6709\u4e00\u7acb\u65b9\u516c\u91cc\u3002\u7576\u9ad8\u80fd\u5b87\u5b99\u5fae\u4e2d\u5b50\u6253\u9032\u5357\u6975\u7684\u51b0\u5c64\u6642\uff0c\u6703\u653e\u51fa\u6703\u653e\u51fa\u5207\u4f96\u53ef\u592b\u5149\u3002\u7531\u65bc\u5357\u6975\u7684\u51b0\u76f8\u7576\u4e7e\u6de8\uff0c\u6240\u4ee5\u9019\u4e9b\u5149\u5b50\u53ef\u4ee5\u5728\u51b0\u4e2d\u9806\u5229\u524d\u9032\uff0c\u800c\u4e94\u5343\u591a\u500b\u5149\u96fb\u500d\u589e\u7ba1\u5c31\u662f\u7528\u4f86\u5075\u6e2c\u5230\u9019\u4e9b\u5149\u5b50\uff0c\u4ee5\u5c0b\u627e\u5b87\u5b99\u5fae\u4e2d\u5b50\u30022013\u5e74 IceCube \u5ba3\u4f48\u9996\u6b21\u5075\u6e2c\u5230\u4f86\u81ea\u5b87\u5b99\u7684\u5fae\u4e2d\u5b50\u7684\u5b58\u5728\u3002<\/p>\n<p>\u5982\u679c\u60f0\u6027\u5fae\u4e2d\u5b50\u5b58\u5728\u65bc\u5b87\u5b99\u4e4b\u9593\u7684\u8a71\uff0c\u800c\u4e14\u5177\u6709\u8cea\u91cf\uff0c\u90a3\u9ebc\u60f0\u6027\u5fae\u4e2d\u5b50\u6709\u53ef\u80fd\u4e5f\u6703\u8207\u4e09\u7a2e\u6a19\u6e96\u6a21\u578b\u7684\u5fae\u4e2d\u5b50\u4e00\u8d77\u767c\u751f\u5fae\u4e2d\u5b50\u9707\u76ea\u7684\u6548\u61c9\uff0c\u4e5f\u5c31\u662f\u8aaa\u6211\u5011\u770b\u5230\u7684\u4e09\u7a2e\u6a19\u6e96\u6a21\u578b\u7684\u5fae\u4e2d\u5b50\u7684\u6578\u76ee\u53ef\u80fd\u6703\u8207\u9810\u671f\u4e0d\u540c\uff0c\u56e0\u70ba\u53ef\u80fd\u6709\u90e8\u4efd\u6703\u56e0\u70ba\u5fae\u4e2d\u5b50\u9707\u76ea\u800c\u8f49\u8b8a\u6210\u70ba\u60f0\u6027\u5fae\u4e2d\u5b50\u3002IceCube\u5c31\u662f\u5229\u7528\u9019\u500b\u6982\u5ff5\uff0c\u5c0b\u627e\u6e3a\u5b50\u5fae\u4e2d\u5b50\u8f49\u8b8a\u6210\u70ba\u60f0\u6027\u5fae\u4e2d\u5b50\u7684\u53ef\u80fd\u6027\u3002\u4ed6\u5011\u5229\u75282009\u52302012\u6240\u53d6\u5f97\u7684\u6578\u64da\u9032\u884c\u5206\u6790\uff0c\u7d50\u679c\u767c\u73fe\u6e3a\u5b50\u5fae\u4e2d\u5b50\u7684\u6578\u91cf\u8207\u9810\u671f\u76f8\u540c\uff0c\u4e26\u6c92\u6709\u770b\u5230\u5fae\u4e2d\u5b50\u9707\u76ea\u800c\u8f49\u8b8a\u6210\u70ba\u60f0\u6027\u5fae\u4e2d\u5b50\u7684\u73fe\u8c61\uff0c\u4e26\u70ba\u60f0\u6027\u5fae\u4e2d\u5b50\u53ef\u80fd\u7684\u6027\u8cea\u8a2d\u4e0b\u4e86\u9650\u5236\u689d\u4ef6\u3002<\/p>\n<p>\u5118\u7ba1IceCube\u4e26\u6c92\u6709\u5b8c\u5168\u53bb\u9664\u60f0\u6027\u5fae\u4e2d\u5b50\u5b58\u5728\u7684\u53ef\u80fd\u6027\uff0c\u4f46\u662f\u9019\u6b21\u7684\u5206\u6790\u5df2\u7d93\u5927\u5e45\u6e1b\u5c0f\u4e86\u60f0\u6027\u5fae\u4e2d\u5b50\u5b58\u5728\u7684\u53ef\u80fd\u6027\u3002\u914d\u5408\u5176\u4ed6\u5be6\u9a57\u7684\u7d50\u679c\uff0c\u7406\u8ad6\u7269\u7406\u5b78\u5bb6\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u6aa2\u8a0e\u60f0\u6027\u5fae\u4e2d\u5b50\u5b58\u5728\u7684\u53ef\u80fd\u6027\uff0c\u751a\u81f3\u8981\u8003\u616e\u62cb\u68c4\u9019\u500b\u7406\u8ad6\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u539f\u59cb\u8ad6\u6587\uff1a<\/strong><a href=\"http:\/\/arxiv.org\/abs\/1605.01990\" target=\"_blank\">Searches for Sterile Neutrinos with the IceCube Detector<\/a><br \/>\n<strong>\u76f8\u95dc\u5831\u5c0e\uff1a<\/strong><a href=\"http:\/\/physicsworld.com\/cws\/article\/news\/2016\/may\/13\/icecubes-search-for-sterile-neutrinos-draws-a-blank\" target=\"_blank\">IceCube's search for sterile neutrinos draws a blank<\/a><\/p>\n<p><strong style=\"color: #333399;\">--<br \/>\n<\/strong><strong style=\"color: #333399;\">\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><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/line.me\/R\/ti\/p\/%40fcx6182w\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/scdn.line-apps.com\/n\/line_add_friends\/btn\/zh-Hant.png\" alt=\"\u52a0\u5165\u597d\u53cb\" width=\"212\" height=\"36\" border=\"0\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0\u7269\u7406\u5b78\u5bb6\u5229\u7528\u4f4d\u65bc\u5357\u6975\u7684 IceCube<\/p>\n","protected":false},"author":20,"featured_media":25007,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3293,39],"tags":[2671,2136,2670,2672],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/07\/PW-2016-05-13-Allen-sterile.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/25004"}],"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=25004"}],"version-history":[{"count":8,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/25004\/revisions"}],"predecessor-version":[{"id":32596,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/25004\/revisions\/32596"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/25007"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}