{"id":3598,"date":"2011-06-30T20:14:14","date_gmt":"2011-06-30T20:14:14","guid":{"rendered":"https:\/\/t2k-experiment.org\/%e3%83%8b%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%83%8e%e3%81%a8%e3%81%af\/"},"modified":"2011-06-30T20:14:14","modified_gmt":"2011-06-30T20:14:14","slug":"%e3%83%8b%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%83%8e%e3%81%a8%e3%81%af","status":"publish","type":"page","link":"https:\/\/t2k-experiment.org\/ja\/about-neutrinos\/%e3%83%8b%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%83%8e%e3%81%a8%e3%81%af\/","title":{"rendered":"\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u3068\u306f?"},"content":{"rendered":"<p>\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u539f\u5b50\u3088\u308a\u3082\u5c0f\u3055\u306a\u7c92\u5b50\u3067\u3001\u6211\u3005\u304c\u77e5\u308b\u9650\u308a\u3001\u967d\u5b50\u3084\u4e2d\u6027\u5b50\u306e\u3088\u3046\u306a\u5185\u90e8\u69cb\u9020\u3092\u6301\u3063\u305f\u8907\u96d1\u306a\u7c92\u5b50\u3067\u306f\u306a\u304f\u3001\u305d\u308c\u4ee5\u4e0a\u5c0f\u3055\u3044\u8981\u7d20\u306b\u5206\u3051\u308b\u3053\u3068\u306e\u3067\u304d\u306a\u3044<strong>\u7d20\u7c92\u5b50<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u73fe\u5728\u6211\u3005\u304c\u77e5\u3063\u3066\u3044\u308b\u6700\u826f\u306e\u7d20\u7c92\u5b50\u7406\u8ad6\u3067\u3042\u308b<a href=\"http:\/\/www.youtube.com\/watch?v=V0KjXsGRvoA\">\u7d20\u7c92\u5b50\u6a19\u6e96\u6a21\u578b<\/a>\u306b\u306f\u30012\u3064\u306e\u57fa\u672c\u7684\u306a\u30bf\u30a4\u30d7\u306e\u7269\u8cea\u7c92\u5b50\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u30021\u3064\u306f<strong>\u30cf\u30c9\u30ed\u30f3<\/strong>\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001\u539f\u5b50\u6838\u5185\u3067\u6838\u5b50\u3092\u7d50\u3073\u3064\u3051\u3066\u3044\u308b<strong>\u5f37\u3044\u529b<\/strong>\u3092\u611f\u3058\u308b\u7c92\u5b50\u3067\u3059\u30022\u3064\u76ee\u306f<strong>\u30ec\u30d7\u30c8\u30f3<\/strong>\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001\u3053\u3061\u3089\u306f\u5f37\u3044\u529b\u3092\u611f\u3058\u307e\u305b\u3093\u3002\u6700\u3082\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u30ec\u30d7\u30c8\u30f3\u306f\u96fb\u5b50\u3067\u3059\u304c\u3001\u8ca0\u306e\u96fb\u8377\u3092\u6301\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u96fb\u78c1\u529b\u3092\u4f7f\u3063\u3066\u691c\u51fa\u3057\u305f\u308a\u3001\u305d\u306e\u904b\u52d5\u3092\u5909\u3048\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u96fb\u5b50\u306f\u3001\u65e5\u5e38\u7684\u306b\u76ee\u306b\u3059\u308b\u7269\u8cea\u306e\u307b\u3068\u3093\u3069\u306e\u6027\u8cea\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u304a\u308a\u3001\u7570\u306a\u308b\u5143\u7d20\u304c\u5316\u5b66\u7684\u306b\u3069\u3046\u53cd\u5fdc\u3059\u308b\u306e\u304b\u3092\u6c7a\u5b9a\u3065\u3051\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u96fb\u5b50\u306e\u6d41\u308c\u306f\u96fb\u6d41\u3092\u4f5c\u308a\u3001\u305d\u308c\u306f\u73fe\u4ee3\u306e\u79d1\u5b66\u6280\u8853\u306b\u306f\u7121\u304f\u3066\u306f\u306a\u3089\u306a\u3044\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u7d20\u7c92\u5b50\u6a19\u6e96\u6a21\u578b\u3067\u306f\u3001\u96fb\u5b50\u306e\u4ed6\u306b<strong>\u30df\u30e5\u30fc\u30aa\u30f3(\u03bc)<\/strong>\u304a\u3088\u3073<strong>\u30bf\u30a6(\u03c4)<\/strong>\u3068\u3088\u3070\u308c\u308b\u3082\u30462\u7a2e\u985e\u306e\u8377\u96fb\u30ec\u30d7\u30c8\u30f3\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u5171\u306b\u96fb\u5b50\u3088\u308a\u91cd\u304f\u4e0d\u5b89\u5b9a\u3067\u30011\u79d2\u3088\u308a\u3082\u305a\u3063\u3068\u77ed\u3044\u6642\u9593\u3067\u5d29\u58ca\u3057\u307e\u3059\u3002\u5f93\u3063\u3066\u3001\u65e5\u5e38\u751f\u6d3b\u306b\u306f\u307b\u3068\u3093\u3069\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u3089\u306f\u7c92\u5b50\u52a0\u901f\u5668\u3067\u4f5c\u3063\u3066\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u7d20\u7c92\u5b50\u7269\u7406\u5b66\u8005\u306b\u3068\u3063\u3066\u306f\u3088\u304f\u77e5\u3089\u308c\u305f\u5b58\u5728\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u96fb\u8377\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u30ec\u30d7\u30c8\u30f3\u3067\u3001\u3053\u306e\u3053\u3068\u306f\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f<strong>\u5f31\u3044\u529b<\/strong>\u3068\u91cd\u529b\u3057\u304b\u611f\u3058\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002\u5f31\u3044\u529b\u3068\u306f\u3001\u305d\u306e\u540d\u306e\u901a\u308a\u307b\u3093\u306e\u77ed\u3044\u8ddd\u96e2(10<sup>-18<\/sup> m, \u539f\u5b50\u6838\u306e\u76f4\u5f84\u3088\u308a\u3082\u305a\u3063\u3068\u5c0f\u3055\u3044\uff09\u3057\u304b\u529b\u304c\u53ca\u3073\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u91cd\u529b\u306f\u539f\u5b50\u306e\u30b9\u30b1\u30fc\u30eb\u3067\u306f\u4fe1\u3058\u3089\u308c\u306a\u3044\u307b\u3069\u5f31\u304f\u3001\u4f8b\u3048\u3070\u4f55\u304b\u3092\u6301\u3061\u3042\u3052\u308b\u3068\u304d\u3001\u7b4b\u8089\u306e\u4e2d\u3067\u306f\u305f\u3089\u3044\u305f\u96fb\u78c1\u529b\u306f\u5730\u7403\u5168\u4f53\u304c\u53ca\u307c\u3059\u91cd\u529b\u306b\u7c21\u5358\u306b\u6253\u3061\u52dd\u3061\u307e\u3059\u3002\u5f93\u3063\u3066\u3001\u5f31\u3044\u529b\u3068\u91cd\u529b\u3057\u304b\u611f\u3058\u306a\u3044\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u3001\u4ed6\u306e\u7c92\u5b50\u3092\u76f8\u4e92\u4f5c\u7528\u3092\u901a\u3057\u3066\u201c\u898b\u308b\u201d\u3053\u3068\u304c\u6975\u3081\u3066\u56f0\u96e3\u3067\u3059\u3002\u3053\u308c\u306f\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306e\u691c\u51fa\u3092\u975e\u5e38\u306b\u96e3\u3057\u304f\u3057\u3066\u304a\u308a\u3001\u5178\u578b\u7684\u306a\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f1\u5149\u5e74\u3082\u306e\u539a\u3055\u306e\u925b\u3092\u76f8\u4e92\u4f5c\u7528\u305b\u305a\u306b\u901a\u308a\u629c\u3051\u307e\u3059\u3002\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u307e\u305f\u975e\u5e38\u306b\u5c0f\u3055\u306a\u8cea\u91cf\u3092\u6301\u3061\u3001\u305d\u306e\u5024\u306f\u3001\u6c34\u7d20\u539f\u5b50\u306e\u5343\u5206\u306e\u4e00\u3088\u308a\u3082\u8efd\u3044\u96fb\u5b50\u306e\u305d\u306e\u307e\u305f\u767e\u4e07\u5206\u306e\u4e00\u3088\u308a\u3082\u5c0f\u3055\u3044\u3068\u7269\u7406\u5b66\u8005\u306f\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u305d\u308c\u3086\u3048\u306b\u975e\u5e38\u306b\u6355\u307e\u3048\u306b\u304f\u3044\u7c92\u5b50\u3067\u3001\u6700\u521d\u306b\u305d\u306e\u5b58\u5728\u306e\u5fc5\u8981\u6027\u304c\u7406\u8ad6\u7684\u306b\u793a\u5506\u3055\u308c\u3066\u304b\u3089\u3001\u5b9f\u969b\u306b\u5b9f\u9a13\u7684\u306b\u89b3\u6e2c\u3055\u308c\u308b\u307e\u3067\u306b\u300125\u5e74\u3082\u306e\u5e74\u6708\u304c\u304b\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u539f\u5b50\u3088\u308a\u3082\u5c0f\u3055\u306a\u7c92\u5b50\u3067\u3001\u6211\u3005\u304c\u77e5\u308b\u9650\u308a\u3001\u967d\u5b50\u3084\u4e2d\u6027\u5b50\u306e\u3088\u3046\u306a\u5185\u90e8\u69cb\u9020\u3092\u6301\u3063\u305f\u8907\u96d1\u306a\u7c92\u5b50\u3067\u306f\u306a\u304f\u3001\u305d\u308c\u4ee5\u4e0a\u5c0f\u3055\u3044\u8981\u7d20\u306b\u5206\u3051\u308b\u3053\u3068\u306e\u3067\u304d\u306a\u3044\u7d20\u7c92\u5b50\u3067\u3059\u3002 \u73fe\u5728\u6211\u3005\u304c\u77e5\u3063\u3066\u3044\u308b\u6700\u826f\u306e\u7d20\u7c92\u5b50\u7406\u8ad6\u3067\u3042\u308b\u7d20\u7c92\u5b50\u6a19\u6e96\u6a21\u578b\u306b\u306f\u30012\u3064\u306e\u57fa\u672c\u7684\u306a\u30bf\u30a4\u30d7\u306e\u7269\u8cea\u7c92\u5b50\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u30021\u3064\u306f\u30cf\u30c9\u30ed\u30f3\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001\u539f\u5b50\u6838\u5185\u3067\u6838\u5b50\u3092\u7d50\u3073\u3064\u3051\u3066\u3044\u308b\u5f37\u3044\u529b\u3092\u611f\u3058\u308b\u7c92\u5b50\u3067\u3059\u30022\u3064\u76ee\u306f\u30ec\u30d7\u30c8\u30f3\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001\u3053\u3061\u3089\u306f\u5f37\u3044\u529b\u3092\u611f\u3058\u307e\u305b\u3093\u3002\u6700\u3082\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u30ec\u30d7\u30c8\u30f3\u306f\u96fb\u5b50\u3067\u3059\u304c\u3001\u8ca0\u306e\u96fb\u8377\u3092\u6301\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u96fb\u78c1\u529b\u3092\u4f7f\u3063\u3066\u691c\u51fa\u3057\u305f\u308a\u3001\u305d\u306e\u904b\u52d5\u3092\u5909\u3048\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u96fb\u5b50\u306f\u3001\u65e5\u5e38\u7684\u306b\u76ee\u306b\u3059\u308b\u7269\u8cea\u306e\u307b\u3068\u3093\u3069\u306e\u6027\u8cea\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u304a\u308a\u3001\u7570\u306a\u308b\u5143\u7d20\u304c\u5316\u5b66\u7684\u306b\u3069\u3046\u53cd\u5fdc\u3059\u308b\u306e\u304b\u3092\u6c7a\u5b9a\u3065\u3051\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u96fb\u5b50\u306e\u6d41\u308c\u306f\u96fb\u6d41\u3092\u4f5c\u308a\u3001\u305d\u308c\u306f\u73fe\u4ee3\u306e\u79d1\u5b66\u6280\u8853\u306b\u306f\u7121\u304f\u3066\u306f\u306a\u3089\u306a\u3044\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u7d20\u7c92\u5b50\u6a19\u6e96\u6a21\u578b\u3067\u306f\u3001\u96fb\u5b50\u306e\u4ed6\u306b\u30df\u30e5\u30fc\u30aa\u30f3(\u03bc)\u304a\u3088\u3073\u30bf\u30a6(\u03c4)\u3068\u3088\u3070\u308c\u308b\u3082\u30462\u7a2e\u985e\u306e\u8377\u96fb\u30ec\u30d7\u30c8\u30f3\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u5171\u306b\u96fb\u5b50\u3088\u308a\u91cd\u304f\u4e0d\u5b89\u5b9a\u3067\u30011\u79d2\u3088\u308a\u3082\u305a\u3063\u3068\u77ed\u3044\u6642\u9593\u3067\u5d29\u58ca\u3057\u307e\u3059\u3002\u5f93\u3063\u3066\u3001\u65e5\u5e38\u751f\u6d3b\u306b\u306f\u307b\u3068\u3093\u3069\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u305b\u3093\u304c\u3001\u305d\u308c\u3089\u306f\u7c92\u5b50\u52a0\u901f\u5668\u3067\u4f5c\u3063\u3066\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u7d20\u7c92\u5b50\u7269\u7406\u5b66\u8005\u306b\u3068\u3063\u3066\u306f\u3088\u304f\u77e5\u3089\u308c\u305f\u5b58\u5728\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u96fb\u8377\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u30ec\u30d7\u30c8\u30f3\u3067\u3001\u3053\u306e\u3053\u3068\u306f\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u5f31\u3044\u529b\u3068\u91cd\u529b\u3057\u304b\u611f\u3058\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002\u5f31\u3044\u529b\u3068\u306f\u3001\u305d\u306e\u540d\u306e\u901a\u308a\u307b\u3093\u306e\u77ed\u3044\u8ddd\u96e2(10-18 m, \u539f\u5b50\u6838\u306e\u76f4\u5f84\u3088\u308a\u3082\u305a\u3063\u3068\u5c0f\u3055\u3044\uff09\u3057\u304b\u529b\u304c\u53ca\u3073\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u91cd\u529b\u306f\u539f\u5b50\u306e\u30b9\u30b1\u30fc\u30eb\u3067\u306f\u4fe1\u3058\u3089\u308c\u306a\u3044\u307b\u3069\u5f31\u304f\u3001\u4f8b\u3048\u3070\u4f55\u304b\u3092\u6301\u3061\u3042\u3052\u308b\u3068\u304d\u3001\u7b4b\u8089\u306e\u4e2d\u3067\u306f\u305f\u3089\u3044\u305f\u96fb\u78c1\u529b\u306f\u5730\u7403\u5168\u4f53\u304c\u53ca\u307c\u3059\u91cd\u529b\u306b\u7c21\u5358\u306b\u6253\u3061\u52dd\u3061\u307e\u3059\u3002\u5f93\u3063\u3066\u3001\u5f31\u3044\u529b\u3068\u91cd\u529b\u3057\u304b\u611f\u3058\u306a\u3044\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u3001\u4ed6\u306e\u7c92\u5b50\u3092\u76f8\u4e92\u4f5c\u7528\u3092\u901a\u3057\u3066\u201c\u898b\u308b\u201d\u3053\u3068\u304c\u6975\u3081\u3066\u56f0\u96e3\u3067\u3059\u3002\u3053\u308c\u306f\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306e\u691c\u51fa\u3092\u975e\u5e38\u306b\u96e3\u3057\u304f\u3057\u3066\u304a\u308a\u3001\u5178\u578b\u7684\u306a\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f1\u5149\u5e74\u3082\u306e\u539a\u3055\u306e\u925b\u3092\u76f8\u4e92\u4f5c\u7528\u305b\u305a\u306b\u901a\u308a\u629c\u3051\u307e\u3059\u3002\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u307e\u305f\u975e\u5e38\u306b\u5c0f\u3055\u306a\u8cea\u91cf\u3092\u6301\u3061\u3001\u305d\u306e\u5024\u306f\u3001\u6c34\u7d20\u539f\u5b50\u306e\u5343\u5206\u306e\u4e00\u3088\u308a\u3082\u8efd\u3044\u96fb\u5b50\u306e\u305d\u306e\u307e\u305f\u767e\u4e07\u5206\u306e\u4e00\u3088\u308a\u3082\u5c0f\u3055\u3044\u3068\u7269\u7406\u5b66\u8005\u306f\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u30cb\u30e5\u30fc\u30c8\u30ea\u30ce\u306f\u305d\u308c\u3086\u3048\u306b\u975e\u5e38\u306b\u6355\u307e\u3048\u306b\u304f\u3044\u7c92\u5b50\u3067\u3001\u6700\u521d\u306b\u305d\u306e\u5b58\u5728\u306e\u5fc5\u8981\u6027\u304c\u7406\u8ad6\u7684\u306b\u793a\u5506\u3055\u308c\u3066\u304b\u3089\u3001\u5b9f\u969b\u306b\u5b9f\u9a13\u7684\u306b\u89b3\u6e2c\u3055\u308c\u308b\u307e\u3067\u306b\u300125\u5e74\u3082\u306e\u5e74\u6708\u304c\u304b\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":23,"featured_media":0,"parent":3594,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":"","footnotes":""},"class_list":["post-3598","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/pages\/3598","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/comments?post=3598"}],"version-history":[{"count":0,"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/pages\/3598\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/pages\/3594"}],"wp:attachment":[{"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/media?parent=3598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}