{"id":760,"date":"2019-09-26T11:13:19","date_gmt":"2019-09-26T02:13:19","guid":{"rendered":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/?page_id=760"},"modified":"2019-09-26T13:19:50","modified_gmt":"2019-09-26T04:19:50","slug":"%e3%83%9d%e3%82%b8%e3%83%88%e3%83%ad%e3%83%8b%e3%82%a6%e3%83%a0%e3%81%a8%e3%81%af","status":"publish","type":"page","link":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/?page_id=760","title":{"rendered":"\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u3068\u306f?"},"content":{"rendered":"\n<p>\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u3068\u306f\u3001\u7d20\u7c92\u5b50\u306e\u4e00\u7a2e\u3067\u3042\u308b\u96fb\u5b50\u3068\u3001\u305d\u306e\u53cd\u7269\u8cea\u3067\u3042\u308b\u967d\u96fb\u5b50\u304c\u96fb\u78c1\u76f8\u4e92\u4f5c\u7528\u3067\u7d50\u3073\u3064\u3044\u305f\u8907\u5408\u7c92\u5b50\u3067\u3059\u3002\u3061\u3087\u3046\u3069\u6c34\u7d20\u539f\u5b50\u306e\u539f\u5b50\u6838(\u967d\u5b50)\u304c\u967d\u96fb\u5b50\u306b\u7f6e\u304d\u63db\u308f\u3063\u305f\u5f62\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6c34\u7d20\u539f\u5b50\u3068\u9055\u3063\u3066\u3001\u7269\u8cea\u3068\u53cd\u7269\u8cea\u306e\u8907\u5408\u7cfb\u3067\u3059\u306e\u3067\u3001\u77ed\u5bff\u547d\u3067\u5d29\u58ca\u3057\u3066\u5168\u30a8\u30cd\u30eb\u30ae\u30fc=511keV\u00d72=1022keV\u306e\u8907\u6570\u306e\u30ac\u30f3\u30de\u7dda\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u306f\u6c34\u7d20\u539f\u5b50\u306e\u5834\u5408\u3068\u5168\u304f\u540c\u69d8\u306b\u3001\u4e3b\u91cf\u5b50\u6570\u3001\u8ecc\u9053\u89d2\u904b\u52d5\u91cf\u3001\u78c1\u6c17\u91cf\u5b50\u6570\u306a\u3069\u306b\u3088\u3063\u3066\u8a18\u8ff0\u3055\u308c\u308b\u591a\u5f69\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u6e96\u4f4d\u3092\u6301\u3061\u307e\u3059\u3002\u307e\u305f\u3001\u57fa\u5e95\u72b6\u614b\u306e\u675f\u7e1b\u30a8\u30cd\u30eb\u30ae\u30fc\u306f6.8eV\u3067\u3001\u3053\u308c\u306f\u6c34\u7d20\u539f\u5b50(13.6eV)\u306e\u3061\u3087\u3046\u3069\u534a\u5206\u306e\u5024\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u967d\u5b50\u3068\u967d\u96fb\u5b50\u306e\u8cea\u91cf\u306e\u9055\u3044\u304b\u3089\u3001\u63db\u7b97\u8cea\u91cf\u304c\u534a\u5206\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u8d77\u56e0\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u3001\u57fa\u5e95\u72b6\u614b\u306e\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u3092\u4e2d\u5fc3\u306b\u3057\u3066\u3001\u8b70\u8ad6\u3057\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"292\" height=\"117\" src=\"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/ps.jpg\" alt=\"\" class=\"wp-image-231\"\/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30aa\u30eb\u30bd\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0(ortho-positoronium\u3001o-Ps)\u3068\u30d1\u30e9\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0(para-positronium\u3001p-Ps)<\/h3>\n\n\n\n<p>\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u306e1S\u72b6\u614b\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30b9\u30d4\u30f3\u72b6\u614b\u306b\u5fdc\u3058\u3066\u3001\u30b9\u30d4\u30f3\u5e73\u884c\u306a3\u91cd\u9805\u3068\u30b9\u30d4\u30f3\u53cd\u5e73\u884c\u306a1\u91cd\u9805\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30b9\u30d4\u30f3\u5e73\u884c\u306a3\u91cd\u9805\u306f\u30aa\u30eb\u30bd\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0(o-Ps)\u3068\u547c\u3070\u308c\u3001\u53cd\u5e73\u884c\u306a1\u91cd\u9805\u306f\u30d1\u30e9\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0(p-Ps)\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u6c34\u7d20\u539f\u5b50\u306e\u8d85\u5fae\u7d30\u69cb\u9020\u3068\u540c\u69d8\u306b\u3001\u4e21\u8005\u306f\u30b9\u30d4\u30f3-\u30b9\u30d4\u30f3\u76f8\u4e92\u4f5c\u7528\u306b\u3088\u3063\u3066\u30a8\u30cd\u30eb\u30ae\u30fc\u6e96\u4f4d\u306b\u5dee\u304c\u3042\u308a\u3001\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u306e\u8d85\u5fae\u7d30\u69cb\u9020(HFS)\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6c34\u7d20\u539f\u5b50\u306b\u6bd4\u3079\u3066HFS\u306e\u5024\u306f2\u6841\u307b\u3069\u5927\u304d\u304f\u30010.84meV(203.4GHz)\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>o-Ps\u3068p-Ps\u306e\u6027\u8cea\u306e\u9855\u8457\u306a\u9055\u3044\u306f\u3001\u5d29\u58ca\u306e\u6642\u306b\u73fe\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"525\" src=\"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/spec.jpg\" alt=\"\" class=\"wp-image-762\" srcset=\"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/spec.jpg 750w, https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/spec-300x210.jpg 300w, https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/spec-624x437.jpg 624w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure><\/div>\n\n\n\n<p>\u30b9\u30d4\u30f3\u72b6\u614b\u306b\u8d77\u56e0\u3057\u305fC\u5909\u63db(\u7c92\u5b50\u3068\u53cd\u7c92\u5b50\u3092\u5165\u308c\u66ff\u3048\u308b\u5909\u63db)\u306b\u5bfe\u3059\u308b\u5909\u63db\u6027\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u3001o-Ps\u306f\u5947\u6570\u672c\u306e\u30ac\u30f3\u30de\u7dda(\u4e3b\u306b3\u672c)\u3001p-Ps\u306f\u5076\u6570\u672c\u306e\u30ac\u30f3\u30de\u7dda(\u4e3b\u306b2\u672c)\u306b\u3057\u304b\u5d29\u58ca\u3067\u304d\u307e\u305b\u3093\u3002\u5f93\u3063\u3066\u3001o-Ps\u5d29\u58ca\u304b\u3089\u6765\u308b\u30ac\u30f3\u30de\u7dda\u306f\u9023\u7d9a\u30b9\u30da\u30af\u30c8\u30eb\u306b\u306a\u308a\u307e\u3059\u304c\u3001p-P\u5d29\u58ca\u304b\u3089\u306e\u30ac\u30f3\u30de\u7dda\u306f\u3001\u307b\u307c\u3059\u3079\u3066\u304c\u5358\u8272\u306eback-to-back 511keV\u30ac\u30f3\u30de\u7dda\u3068\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u653e\u51fa\u3059\u308b\u30ac\u30f3\u30de\u7dda\u306e\u6570\u304c\u591a\u3044\u3053\u3068\u306b\u5bfe\u5fdc\u3057\u3066\u3001o-Ps\u306e\u65b9\u304c\u5bff\u547d\u304c\u7d041000\u500d\u9577\u304f\u306a\u308a\u307e\u3059\u3002\u96fb\u78c1\u76f8\u4e92\u4f5c\u7528\u3092\u4ecb\u3057\u305f\u5d29\u58ca\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001o-Ps\u306f142ns\u3068\u9577\u3044\u5bff\u547d\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<table class=\"wp-block-table aligncenter is-style-regular\"><tbody><tr><td><strong>o-Ps 1<\/strong><sup><strong>3<\/strong><\/sup><strong>S<\/strong><sub><strong>1<\/strong><\/sub><strong> (\u30b9\u30d4\u30f33\u91cd\u9805\u3001\u5168\u30b9\u30d4\u30f31)<\/strong><\/td><td><strong>p-Ps 1<\/strong><sup><strong>1<\/strong><\/sup><strong>S<\/strong><sub><strong>0<\/strong><\/sub><strong> (\u30b9\u30d4\u30f31\u91cd\u9805\u3001\u5168\u30b9\u30d4\u30f30)<\/strong><\/td><\/tr><tr><td>\u5bff\u547d: 142ns<\/td><td>\u5bff\u547d: 125ps<\/td><\/tr><tr><td>C\u5909\u63db: \u5947<\/td><td>C\u5909\u63db: \u5076<\/td><\/tr><tr><td>\u5d29\u58ca\u30e2\u30fc\u30c9: \u5947\u6570\u672c\u306e\u30ac\u30f3\u30de\u7dda(3\u03b3\u30015\u03b3\u3001\u2026)<\/td><td>\u5d29\u58ca\u30e2\u30fc\u30c9: \u5076\u6570\u672c\u306e\u30ac\u30f3\u30de\u7dda(2\u03b3\u30014\u03b3\u3001\u2026)<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h3 class=\"wp-block-heading\">\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u306e\u78c1\u5834\u4e2d\u3067\u306e\u6027\u8cea<\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"247\" height=\"308\" src=\"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/zeemanlevel.jpg\" alt=\"\" class=\"wp-image-688\" srcset=\"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/zeemanlevel.jpg 247w, https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/zeemanlevel-241x300.jpg 241w\" sizes=\"auto, (max-width: 247px) 100vw, 247px\" \/><\/figure><\/div>\n\n\n\n<p>\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u306b\u78c1\u5834\u3092\u5370\u52a0\u3059\u308b\u3068\u3001o-Ps\u306e\u3046\u3061\u3001\u78c1\u6c17\u91cf\u5b50\u6570\u304c0\u306e\u6210\u5206\u3068p-Ps\u306f\u3082\u306f\u3084\u30a8\u30cd\u30eb\u30ae\u30fc\u56fa\u6709\u72b6\u614b\u3067\u306f\u7121\u304f\u306a\u308a\u3001\u6df7\u5408\u3092\u8d77\u3053\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u5fdc\u3058\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u6e96\u4f4d\u306f\u30bc\u30fc\u30de\u30f3\u30b7\u30d5\u30c8\u3092\u8d77\u3053\u3057\u3066\u5909\u5316\u3057\u3001\u307e\u305f\u3001\u4e21\u8005\u306e\u5bff\u547d\u3082\u5909\u5316\u3057\u307e\u3059\u3002\u4e0a\u306f\u3001\u6a2a\u8ef8\u3092\u78c1\u5834\u306b\u3068\u3063\u305f\u6642\u3001\u5404\u30a8\u30cd\u30eb\u30ae\u30fc\u6e96\u4f4d\u304c\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u304b\u3092\u793a\u3057\u305f\u56f3\u3067\u3059\u3002\u7e26\u8ef8\u306f\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5149\u5b50\u306e\u5468\u6ce2\u6570(GHz)\u306b\u76f4\u3057\u305f\u5024\u3067\u3059\u3002\u78c1\u5834\u304c\u7121\u3044\u6642\u306f\u3001o-Ps\u3068p-Ps\u306fHFS\u5206(203GHz)\u3060\u3051\u96e2\u308c\u305f\u30a8\u30cd\u30eb\u30ae\u30fc\u6e96\u4f4d\u3092\u3068\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u78c1\u5834\u3092\u5370\u52a0\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001p-Ps\u3068o-Ps\u306em<sub>z<\/sub>=0\u306e\u6210\u5206\u304c\u6df7\u5408\u3057\u3066\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u6e96\u4f4d\u304c\u5909\u5316\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070|+>\u306e\u6e96\u4f4d\u306fp-Ps\u306e\u6df7\u5408\u91cf\u304c\u5897\u3048\u308b\u306b\u3064\u308c\u3066\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u6e96\u4f4d\u304c\u3069\u3093\u3069\u3093\u9ad8\u304f\u306a\u3063\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u4f34\u3044\u3001|+>\u306e\u6e96\u4f4d\u304b\u30892\u672c\u306e\u30ac\u30f3\u30de\u7dda\u306b\u5d29\u58ca\u3059\u308b\u5272\u5408\u3082\u5897\u3048\u3001\u5bff\u547d\u3082\u3069\u3093\u3069\u3093\u77ed\u304f\u306a\u3063\u3066\u3044\u304d\u307e\u3059(\u4e0b\u56f3)\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"470\" height=\"330\" src=\"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/mag-life.jpg\" alt=\"\" class=\"wp-image-767\" srcset=\"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/mag-life.jpg 470w, https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/mag-life-300x211.jpg 300w\" sizes=\"auto, (max-width: 470px) 100vw, 470px\" \/><\/figure><\/div>\n\n\n\n<p>\u307e\u305f\u3001|+>\u306e\u6e96\u4f4d\u306f\u91cf\u5b50\u7684\u6df7\u5408\u72b6\u614b\u306b\u3042\u308b\u305f\u3081\u3001o-Ps\u3068p-Ps\u306e\u72b6\u614b\u306f\u91cf\u5b50\u7684\u306b\u6df7\u5408\u3057\u3066\u304a\u308a\u3001\u5d29\u58ca\u6642\u306e\u30ac\u30f3\u30de\u7dda\u3082\u3053\u308c\u306b\u5fdc\u3058\u3066\u65b9\u5411\u5206\u5e03\u304c\u6642\u9593\u7684\u306b\u632f\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u306e\u4f5c\u308a\u65b9<\/h3>\n\n\n\n<p>\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u3092\u4f5c\u308b\u305f\u3081\u306b\u306f\u3001\u967d\u96fb\u5b50\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002KEK\u306e\u4f4e\u901f\u967d\u96fb\u5b50\u65bd\u8a2d\u306a\u3069\u3067\u306f\u3001\u96fb\u5b50\u30d3\u30fc\u30e0\u3092\u6a19\u7684\u306b\u5f53\u3066\u3001\u5bfe\u751f\u6210\u306b\u3088\u3063\u3066\u3067\u304d\u305f\u967d\u96fb\u5b50\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u3082\u3063\u3068\u624b\u8efd\u306a\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001\u58ca\u5909\u6642\u306b\u967d\u96fb\u5b50(\u03b2<sup>+<\/sup>)\u3092\u653e\u51fa\u3059\u308b\u653e\u5c04\u6027\u540c\u4f4d\u5143\u7d20\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u4ee3\u8868\u7684\u306b\u306f\u3001<sup><a rel=\"noreferrer noopener\" aria-label=\" (\u65b0\u3057\u3044\u30bf\u30d6\u3067\u958b\u304f)\" href=\"http:\/\/www.wolframalpha.com\/input\/?i=sodium-22\" target=\"_blank\">22<\/a><\/sup><a rel=\"noreferrer noopener\" aria-label=\" (\u65b0\u3057\u3044\u30bf\u30d6\u3067\u958b\u304f)\" href=\"http:\/\/www.wolframalpha.com\/input\/?i=sodium-22\" target=\"_blank\">Na<\/a>\u3001<sup><a rel=\"noreferrer noopener\" aria-label=\" (\u65b0\u3057\u3044\u30bf\u30d6\u3067\u958b\u304f)\" href=\"http:\/\/www.wolframalpha.com\/input\/?i=gallium-68\" target=\"_blank\">68<\/a><\/sup><a rel=\"noreferrer noopener\" aria-label=\" (\u65b0\u3057\u3044\u30bf\u30d6\u3067\u958b\u304f)\" href=\"http:\/\/www.wolframalpha.com\/input\/?i=gallium-68\" target=\"_blank\">Ga<\/a>\u306a\u3069\u3067\u3059(<sup>68<\/sup>Ga\u81ea\u8eab\u306f\u3001\u534a\u6e1b\u671f\u304c68\u5206\u3057\u304b\u7121\u3044\u305f\u3081\u3001\u5b9f\u9a13\u7684\u306b\u306f\u89aa\u6838\u306e<sup><a href=\"http:\/\/www.wolframalpha.com\/input\/?i=germanium-68\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (\u65b0\u3057\u3044\u30bf\u30d6\u3067\u958b\u304f)\">68<\/a><\/sup><a href=\"http:\/\/www.wolframalpha.com\/input\/?i=germanium-68\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (\u65b0\u3057\u3044\u30bf\u30d6\u3067\u958b\u304f)\">Ge<\/a>\u304c\u826f\u304f\u7528\u3044\u3089\u308c\u307e\u3059)\u3002<\/p>\n\n\n\n<p>\u967d\u96fb\u5b50\u3092\u7269\u8cea\u4e2d\u306b\u6253\u3061\u8fbc\u3080\u3068\u3001\u7269\u8cea\u306b\u3088\u3063\u3066\u6e1b\u901f\u3055\u308c\u3001\u904b\u306e\u826f\u3044\u967d\u96fb\u5b50\u306f\u5bfe\u6d88\u6ec5\u3092\u8d77\u3053\u3055\u306a\u3044\u3067\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5931\u3044\u3001\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u306e\u675f\u7e1b\u30a8\u30cd\u30eb\u30ae\u30fc\u7a0b\u5ea6(\u301ceV)\u307e\u3067\u6e1b\u901f\u3055\u308c\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u7269\u8cea\u304b\u3089\u96fb\u5b50\u3092\u5265\u304e\u53d6\u3063\u3066\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u901a\u5e38\u306f\u7269\u8cea\u4e2d\u3067\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u304c\u751f\u6210\u3055\u308c\u3066\u3082\u3001\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u4e2d\u306e\u967d\u96fb\u5b50\u304c\u5225\u306e\u96fb\u5b50\u3068\u53cd\u5fdc(\u30d4\u30c3\u30af\u30aa\u30d5\u3068\u547c\u3070\u308c\u307e\u3059)\u3057\u3066\u3057\u307e\u3044\u3001\u3059\u3050\u306b\u58ca\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u9632\u3050\u306b\u306f\u3001\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u306b\u5bfe\u3057\u3066\u8ca0\u306e\u5316\u5b66\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb\u3092\u6301\u3063\u3066\u3044\u308b\u7269\u8cea\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u826f\u304f\u4f7f\u308f\u308c\u308b\u306e\u306f\u3001\u758e\u6c34\u51e6\u7406\u3057\u305f\u30b7\u30ea\u30ab\u30a8\u30a2\u30ed\u30b2\u30eb\u3084\u3001\u9178\u5316\u30de\u30b0\u30cd\u30b7\u30a6\u30e0\u306a\u3069\u306e\u7c89\u672b\u3067\u3001\u3044\u305a\u308c\u3082\u3001\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u3092\u5916\u90e8\u306b\u6392\u51fa\u3057\u3088\u3046\u3068\u3059\u308b\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u304c\u5185\u90e8\u3067\u751f\u6210\u3055\u308c\u3066\u3082\u3001\u3059\u3050\u306b\u5916\u90e8\u306e\u771f\u7a7a\u3078\u62bc\u3057\u51fa\u3055\u308c\u3066\u3001\u7269\u8cea\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u6700\u4f4e\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u672c\u6765\u306e\u6027\u8cea\u3092\u771f\u7a7a\u4e2d\u3067\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"252\" height=\"195\" src=\"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/wp-content\/uploads\/2019\/09\/silica.jpg\" alt=\"\" class=\"wp-image-768\"\/><\/figure><\/div>\n\n\n\n<p>\u306a\u304a\u3001\u03b2<sup>+<\/sup>\u5d29\u58ca\u306f\u30d1\u30ea\u30c6\u30a3\u304c\u6700\u5927\u306b\u7834\u308c\u305f\u5f31\u3044\u76f8\u4e92\u4f5c\u7528\u3067\u3042\u308b\u305f\u3081\u3001\u653e\u5c04\u6027\u5d29\u58ca\u304b\u3089\u653e\u51fa\u3055\u308c\u305f\u967d\u96fb\u5b50\u306f\u653e\u51fa\u65b9\u5411\u306bv\/c\u306e\u5272\u5408\u3067\u504f\u6975\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u5229\u7528\u3057\u3066\u3001\u504f\u6975\u3057\u305f\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u3092\u4f5c\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30dd\u30b8\u30c8\u30ed\u30cb\u30a6\u30e0\u3068\u306f\u3001\u7d20\u7c92\u5b50\u306e\u4e00\u7a2e\u3067\u3042\u308b\u96fb\u5b50\u3068\u3001\u305d\u306e\u53cd\u7269\u8cea\u3067\u3042\u308b\u967d\u96fb\u5b50\u304c\u96fb\u78c1\u76f8\u4e92\u4f5c\u7528\u3067\u7d50\u3073\u3064\u3044\u305f\u8907\u5408\u7c92\u5b50\u3067\u3059\u3002\u3061\u3087\u3046\u3069\u6c34\u7d20\u539f\u5b50\u306e\u539f\u5b50\u6838(\u967d\u5b50)\u304c\u967d\u96fb\u5b50\u306b\u7f6e\u304d\u63db\u308f\u3063\u305f\u5f62\u3092\u3057\u3066\u3044\u307e\u3059\u3002 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-760","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=760"}],"version-history":[{"count":5,"href":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/760\/revisions"}],"predecessor-version":[{"id":769,"href":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/index.php?rest_route=\/wp\/v2\/pages\/760\/revisions\/769"}],"wp:attachment":[{"href":"https:\/\/tabletop.icepp.s.u-tokyo.ac.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}