{"id":23585,"date":"2016-02-15T00:36:52","date_gmt":"2016-02-14T16:36:52","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=23585"},"modified":"2018-08-03T14:23:51","modified_gmt":"2018-08-03T06:23:51","slug":"%e3%80%90%e7%89%a9%e7%90%86%e5%af%a6%e9%a9%97%e3%80%91%e9%9b%bb%e5%ad%90%e7%9a%84%e5%a3%bd%e5%91%bd","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=23585","title":{"rendered":"\u3010\u7269\u7406\u5be6\u9a57\u3011\u96fb\u5b50\u7684\u58fd\u547d"},"content":{"rendered":"<p><span style=\"color: #333399;\"><strong>\u25a0\u96fb\u5b50\u7684\u58fd\u547d\u5230\u5e95\u6709\u591a\u4e45\uff1f\u6839\u64da\u6700\u65b0\u7684\u5be6\u9a57\u7d50\u679c\uff0c\u96fb\u5b50\u7684\u58fd\u547d\u81f3\u5c11\u670910^28\u5e74\u4ee5\u4e0a\u3002<\/strong><\/span><\/p>\n<figure id=\"attachment_23587\" aria-describedby=\"caption-attachment-23587\" style=\"width: 450px\" class=\"wp-caption alignleft\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-23587\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/01\/PW-2015-12-09-Johnston-borexino.jpg\" alt=\"(Courtesy: Borexino Collaboration)\" width=\"450\" height=\"301\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/01\/PW-2015-12-09-Johnston-borexino.jpg 700w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/01\/PW-2015-12-09-Johnston-borexino-300x201.jpg 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><figcaption id=\"caption-attachment-23587\" class=\"wp-caption-text\">(Courtesy: Borexino Collaboration)<\/figcaption><\/figure>\n<p><strong>\u64b0\u6587\uff5c<\/strong>\u9673\u52c1\u8c6a<\/p>\n<p>\u96fb\u5b50\u662f\u6211\u5011\u65e5\u5e38\u751f\u6d3b\u4e2d\u6700\u5e38\u898b\u7684\u57fa\u672c\u7c92\u5b50\u4e4b\u4e00\u3002\u5728\u7c92\u5b50\u7269\u7406\u7684\u6a19\u6e96\u6a21\u578b\u4e2d\uff0c\u96fb\u5b50\u5c6c\u65bc\u8f15\u5b50\u7684\u4e00\u7a2e\uff0c\u5e36\u6709\u4e00\u500b\u8ca0\u96fb\u8377\uff0c\u8cea\u91cf\u70ba511keV\u3002\u4e00\u822c\u8a8d\u70ba\u96fb\u5b50\u662f\u7a69\u5b9a\u7684\u7c92\u5b50\uff0c\u4e5f\u5c31\u662f\u8aaa\u96fb\u5b50\u4e0d\u6703\u8870\u8b8a\u6210\u5176\u4ed6\u7c92\u5b50\u3002\u4f46\u662f\u5982\u679c\u96fb\u5b50\u6703\u8870\u8b8a\u6210\u5176\u4ed6\u7c92\u5b50\u7684\u8a71\uff0c\u6839\u64da\u80fd\u91cf\u5b88\u6046\uff0c\u96fb\u5b50\u5fc5\u9808\u8870\u8b8a\u5230\u5176\u4ed6\u66f4\u8f15\u7684\u7c92\u5b50\u3002\u4f46\u662f\u5728\u8f15\u5b50\u4e2d\uff0c\u6bd4\u96fb\u5b50\u66f4\u8f15\u7684\u7c92\u5b50\u662f\u4e09\u7a2e\u5fae\u4e2d\u5b50\uff0c\u800c\u5fae\u4e2d\u5b50\u4e26\u4e0d\u5e36\u96fb\u8377\uff0c\u6240\u4ee5\u5982\u679c\u96fb\u5b50\u771f\u7684\u8870\u8b8a\u6210\u5fae\u4e2d\u5b50\uff0c\u90a3\u9ebc\u96fb\u5b50\u6240\u5e36\u7684\u96fb\u8377\u6c92\u6709\u5730\u65b9\u53ef\u53bb\u3002\u9019\u6a23\u4e00\u4f86\u4fbf\u6703\u9055\u53cd\u96fb\u8377\u5b88\u6046\u3002\u4f46\u662f\u96fb\u8377\u5b88\u6046\u662f\u6a19\u6e96\u6a21\u578b\u7684\u57fa\u672c\u5047\u8a2d\u4e4b\u4e00\u3002\u56e0\u6b64\uff0c\u5728\u6a19\u6e96\u6a21\u578b\u88e1\u9762\uff0c\u96fb\u5b50\u8870\u8b8a\u6210\u4e00\u500b\u5fae\u4e2d\u5b50\u8ddf\u4e00\u500b\u5149\u5b50\u7684\u53cd\u61c9\u6839\u672c\u4e0d\u6703\u767c\u751f\u3002<\/p>\n<p>\u5118\u7ba1\u5982\u6b64\uff0cBorexino\u5be6\u9a57\u4f9d\u820a\u6c7a\u5b9a\u6311\u6230\u9019\u500b\u5be6\u9a57\uff0c\u5be6\u969b\u89c0\u5bdf\u9019\u500b\u5047\u60f3\u53cd\u61c9\u6703\u4e0d\u6703\u51fa\u73fe\u3002\u5982\u679c\u89c0\u6e2c\u5230\u9019\u500b\u53cd\u61c9\uff0c\u5c07\u8868\u793a\u9664\u4e86\u6a19\u6e96\u6a21\u578b\u4e4b\u5916\uff0c\u9084\u6709\u7269\u7406\u5b78\u5bb6\u6240\u4e0d\u77e5\u9053\u7684\u65b0\u6cd5\u5247\u5b58\u5728\u3002Borexino\u5728\u7fa9\u5927\u5229\u7684Gran Sasso\u570b\u5bb6\u5be6\u9a57\u5ba4\u4e2d\uff0c\u662f\u500b\u4f4d\u65bc\u5730\u5e95\u7684\u5be6\u9a57\u5ba4\u3002Borexino\u5be6\u9a57\u57fa\u672c\u4e0a\u662f\u5075\u6e2c\u5fae\u4e2d\u5b50\u70ba\u4e3b\uff0c\u57fa\u672c\u4e0a\u985e\u4f3c\u4e00\u500b\u5927\u6c34\u6876\uff0c\u88dd\u6eff\u4e86\u7d04\u4e09\u767e\u5678\u7684\u6709\u6a5f\u6db2\u9ad4\uff0c\u4e26\u5728\u6876\u58c1\u4e0a\u88dd\u8a2d\u4e862212\u500b\u5149\u96fb\u500d\u589e\u7ba1\u4ee5\u89c0\u5bdf\u53cd\u61c9\u6240\u767c\u51fa\u7684\u5149\u5b50\u3002<!--more--><\/p>\n<p>\u6839\u64da\u9019\u500b\u5047\u60f3\u7684\u53cd\u61c9\uff0c\u5982\u679c\u96fb\u5b50\u8870\u8b8a\u7684\u8a71\uff0c\u6703\u7522\u751f\u4e00\u500b\u5fae\u4e2d\u5b50\u8ddf\u4e00\u500b\u5149\u5b50\u3002\u6240\u4ee5\u4ed6\u5011\u7684\u76ee\u6a19\u662f\u89c0\u6e2c\u80fd\u91cf\u70ba256keV\u7684\u5149\u5b50\uff0c\u525b\u597d\u662f\u96fb\u5b50\u975c\u6b62\u8cea\u91cf\u7684\u4e00\u534a\u3002\u9019\u500b\u5be6\u9a57\u5f9e2012\u5e74\u4e00\u6708\u52302013\u5e74\u4e94\u6708\uff0c\u4e00\u5171\u89c0\u6e2c\u4e86408\u5929\u3002Borexino\u6240\u88dd\u6eff\u7684300\u5678\u7684\u6709\u6a5f\u6db2\u9ad4\u542b\u6709\u7d0410^32\u500b\u96fb\u5b50\uff0c\u4f46\u662f\u5728\u5408\u8a08408\u5929\u7684\u89c0\u6e2c\u4e2d\uff0c\u4e26\u6c92\u6709\u767c\u73fe\u4efb\u4f55\u9810\u671f\u51fa\u73fe\u7684\u80fd\u91cf\u70ba256keV\u7684\u5149\u5b50\u3002\u56e0\u6b64\u4ed6\u5011\u53ef\u4ee5\u5229\u7528\u9019\u4e9b\u8cc7\u6599\u5f97\u5230\u96fb\u5b50\u8870\u8b8a\u7684\u6642\u9593\u4e0b\u9650\u3002\u5982\u679c\u9019\u500b\u53cd\u61c9\u6703\u767c\u751f\uff0c\u8981\u89c0\u5bdf\u5230\u9019\u500b\u53cd\u61c9\u767c\u751f\u81f3\u5c11\u9700\u8981\u7b49\u4e0a\u7d046.6x10^28\u5e74\u3002\u9019\u500b\u7d50\u679c\u6bd4Borexino\u4e0a\u4e00\u6b21\u6311\u6230\u9019\u500b\u6e2c\u91cf\u662f\u57281998\u5e74\u7684\u6642\u5019\u5927\u4e86100\u500d\u3002\u9019\u500b\u6578\u5b57\u4e5f\u6bd4\u76ee\u524d\u63a8\u4f30\u5b87\u5b99\u7684\u5e74\u9f611.38x10^10\u5e74\u591a\u4e8610^18\u500d\uff0c\u6216\u662f1\u7684\u5f8c\u9762\u63a5\u4e0a18\u500b\u96f6\u3002<\/p>\n<p>Borexino\u5be6\u9a57\u7684\u767c\u8a00\u4ebaGianpaolo Bellini\u8a8d\u70ba\uff0cBorexino\u53ef\u4ee5\u628a\u5be6\u9a57\u7684\u8870\u8b8a\u9031\u671f\u4e0b\u9650\u66f4\u9032\u4e00\u6b65\u63a8\u523010^31\u5e74\uff0c\u7d04\u7565\u8207\u8cea\u5b50\u8870\u8b8a\u7684\u9031\u671f\u4e0b\u9650\u76f8\u7576\u3002\u79d1\u5b78\u5bb6\u4e5f\u53ef\u4ee5\u7528Borexino\u4f86\u89c0\u6e2c\u53e6\u4e00\u7a2e\u96fb\u5b50\u8870\u8b8a\u7684\u5047\u60f3\u53cd\u61c9\uff0c\u4e5f\u5c31\u662f\u4e00\u500b\u96fb\u5b50\u8870\u8b8a\u6210\u4e09\u500b\u5fae\u4e2d\u5b50\u3002\u7121\u8ad6\u662f\u5426\u80fd\u5920\u627e\u5230\u9019\u4e9b\u53cd\u61c9\uff0c\u9019\u90fd\u5c07\u6703\u8b93\u7c92\u5b50\u7269\u7406\u5b78\u5bb6\u66f4\u9032\u4e00\u6b65\u601d\u8003\u6a19\u6e96\u6a21\u578b\u7684\u4e0b\u4e00\u6b65\u3002<\/p>\n<p><strong>\u539f\u59cb\u8ad6\u6587<\/strong><br \/>\n<a href=\"http:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.115.231802\" target=\"_blank\">Test of Electric Charge Conservation with Borexino<\/a><br \/>\nM. Agostini et al. (Borexino Collaboration)<br \/>\nPhys. Rev. Lett. 115, 231802 \u2013 Published 3 December 2015<\/p>\n<p><strong>\u76f8\u95dc\u5831\u5c0e<\/strong><br \/>\n1. Physicsworld 2015\/12\/09 <a href=\"http:\/\/physicsworld.com\/cws\/article\/news\/2015\/dec\/09\/electron-lifetime-is-at-least-66000-yottayears\" target=\"_blank\">Electron lifetime is at least 66,000 yottayears<br \/>\n<\/a>2. Physics 2015\/12\/03: <a href=\"http:\/\/physics.aps.org\/synopsis-for\/10.1103\/PhysRevLett.115.231802\" target=\"_blank\">Synopsis: Still Waiting For Electron Decay<\/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\u96fb\u5b50\u7684\u58fd\u547d\u5230\u5e95\u6709\u591a\u4e45\uff1f\u6839\u64da\u6700\u65b0\u7684\u5be6\u9a57\u7d50<\/p>\n","protected":false},"author":20,"featured_media":23780,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3293,39],"tags":[2136,2337,2336,1535,1494],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2016\/02\/PW-2015-12-09-Johnston-borexino.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/23585"}],"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=23585"}],"version-history":[{"count":7,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/23585\/revisions"}],"predecessor-version":[{"id":32479,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/23585\/revisions\/32479"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/23780"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}