{"id":1039,"date":"2017-12-14T09:39:45","date_gmt":"2017-12-14T00:39:45","guid":{"rendered":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1039\/"},"modified":"2017-12-14T09:39:45","modified_gmt":"2017-12-14T00:39:45","slug":"xenon1ttpc","status":"publish","type":"seminar","link":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1039\/","title":{"rendered":"XENON1T\u5b9f\u9a13\u306b\u304a\u3051\u308b\u6db2\u4f53\u30ad\u30bb\u30ce\u30f3TPC\u3092\u7528\u3044\u305f\u6697\u9ed2\u7269\u8cea\u306e\u76f4\u63a5\u63a2\u7d22"},"content":{"rendered":"<p>\u5b87\u5b99\u6697\u9ed2\u7269\u8cea\u306e\u6b63\u4f53\u306f\u4f55\u304b?\u3053\u308c\u306f\u73fe\u4ee3\u7269\u7406\u5b66\u306e\u5927\u304d\u306a\u8b0e\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u69d8\u3005\u306a\u5b9f\u9a13\u306b\u3088\u308a\u63a2\u7d22\u304c\u884c\u308f\u308c\u3066\u304d\u305f\u304c\u3001\u672a\u3060\u305d\u306e\u6b63\u4f53\u306f\u4e0d\u660e\u3067\u3042\u308b\u3002\u7d20\u7c92 \u5b50\u6a19\u6e96\u6a21\u578b\u306e\u67a0\u7d44\u307f\u3067\u3053\u306e\u6697\u9ed2\u7269\u8cea\u3092\u8aac\u660e\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u5b58\u5728\u306f\u6a19\u6e96\u6a21\u578b\u3092\u8d85\u3048\u305f\u65b0\u3057\u3044\u7269\u7406\u306e\u5b58\u5728\u3092\u793a\u5506\u3057\u3066\u304a\u308a\u3001\u3053\u306e\u6b63\u4f53\u3092\u89e3\u304d\u660e \u304b\u3059\u3053\u3068\u306f\u65b0\u7269\u7406\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u9375\u3068\u306a\u308b\u3002\u672c\u8b1b\u6f14\u3067\u306f\u3001\u6628\u5e74\u5ea6\u3088\u308a\u7a3c\u50cd\u3092\u59cb\u3081\u305f\u6697\u9ed2\u7269\u8cea\u306e\u76f4\u63a5\u63a2\u7d22\u5b9f\u9a13\u3001XENON1T \u5b9f\u9a13\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3092\u884c \u3046\u3002\u6697\u9ed2\u7269\u8cea\u306e\u76f4\u63a5\u63a2\u7d22\u306f\u3001\u539f\u5b50\u6838\u304c\u6697\u9ed2\u7269\u8cea\u306b\u3088\u308a\u53cd\u8df3\u3055\u308c\u3066\u5f97\u305f\u30a8\u30cd\u30eb\u30ae\u30fc(\u767a\u71b1\u30fb\u767a\u5149\u30fb \u96fb\u96e2\u3068\u3044\u3063\u305f\u5f62\u3067\u6563\u9038\u3055\u308c\u308b)\u3092\u6e2c\u5b9a\u3057\u3001\u6697\u9ed2\u7269\u8cea\u4ee5\u5916\u306e\u539f\u56e0\u3067\u8d77\u3053\u308b\u80cc\u666f\u4e8b\u8c61(BG)\u3068\u533a\u5225\u3059\u308b\u5b9f\u9a13\u3067\u3042\u308b\u3002XENON1T \u5b9f\u9a13\u306f\u3001\u691c\u51fa\u5668\u3068\u3057\u3066\u6db2\u4f53\u3068\u6c17\u4f53\u306e2 \u3064\u306e\u76f8\u306eXe\u3092\u7528\u3044\u3001\u6db2\u4f53\u4e2d\u306eXe\u539f\u5b50\u6838\u3068\u306e\u5f3e\u6027\u6563\u4e71\u6642\u306b\u767a\u751f\u3059\u308b\u76f4\u63a5\u86cd\u5149(S1)\u3001\u53ca\u3073\u3001\u96fb\u5834\u306b\u3088\u308a\u6c17\u4f53\u76f8\u3078\u53d6\u308a\u51fa\u3055\u308c\u305f\u96fb\u96e2\u96fb\u5b50\u304c\u6c17\u4f53 Xe \u3092\u96fb\u96e2\u3055\u305b\u3066\u767a\u751f\u3059\u308b\u6bd4\u4f8b\u86cd\u5149(S2)\u306e\u4e8c\u3064\u306e\u4fe1\u53f7\u3092\u691c\u51fa\u5668\u306e\u4e0a\u4e0b\u306b\u6577\u304d\u8a70\u3081\u305f\u5149\u96fb\u5b50\u5897\u500d\u7ba1\u3067\u691c\u51fa\u3092\u884c\u3046\u3002\u80cc\u666f\u4e8b\u8c61\u3067\u3042\u308b\u96fb\u5b50\u3084\u30ac\u30f3\u30de\u7dda\u306f Xe \u3068\u306e\u76f8\u4e92\u4f5c\u7528\u3067\u96fb\u5b50\u53cd\u8df3\u3092\u8d77\u3053\u3059\u306e\u306b\u5bfe\u3057\u3001\u6697\u9ed2\u7269\u8cea\u306f\u539f\u5b50\u6838\u53cd\u8df3\u3092\u8d77\u3053\u3059\u305f\u3081\u3001\u3053\u306e 2 \u7a2e\u985e\u306e\u53cd\u8df3\u4e8b\u8c61\u306b\u5bfe\u3057\u3066\u4fe1\u53f7\u6bd4 (S2\/S1)\u304c\u5927\u304d\u304f\u7570\u306a\u308a\u3001\u4e8b\u8c61\u6bce\u306e\u7c92\u5b50\u8b58\u5225\u304c\u53ef\u80fd\u3067\u3042\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001XENON1T \u5b9f\u9a13\u306f\u307b\u307c BG \u30d5\u30ea\u30fc\u306a\u74b0\u5883\u4e0b\u3067\u6697\u9ed2\u7269\u8cea\u306e\u63a2\u7d22\u304c\u53ef\u80fd\u3067\u3042\u308a\u3001\u4e16\u754c\u521d\u306e\u30c8\u30f3\u30b9\u30b1\u30fc\u30eb(3.2 \u30c8\u30f3\u306e\u6db2\u4f53 Xe)\u306e\u691c\u51fa\u5668\u306e\u3082\u3068\u3001\u4e16\u754c\u6700\u9ad8\u611f\u5ea6\u3067\u6697\u9ed2\u7269\u8cea\u306e\u63a2\u7d22\u3092\u7d9a\u3051\u3066\u3044\u308b\u3002\u672c\u8b1b\u6f14\u3067\u306f\u3001\u3053\u306eXENON1T \u5b9f\u9a13\u306e\u6697\u9ed2\u7269\u8cea\u63a2\u7d22\u306e\u73fe\u72b6\u3068\u305d\u306e\u5c06\u6765\u8a08\u753b\u3067\u3042\u308bXENONnT\u5b9f\u9a13\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3092\u884c\u3046\u3002<\/p>\n<p>Despite the overwhelming evidence for dark matter from astronomical and cosmological indications at various scales, a clear evidence of a particle which can explain these observations remains absent. XENON1T is a liquid xenon detector capable of exploring a large fraction of the available parameter space for weakly interacting massive particles (WIMPs). The experiment aims to detect WIMP-nucleon interactions using a dual phase time-projection-chamber (TPC) with a total target mass of about 2 tons. The sensitivity to spin-independent WIMP-nucleon cross sections is expected to reach 10^{-47} cm^{2} at a WIMP mass of 50 GeV after two ton-years of exposure.  XENON1T has started its data-taking in the end of 2016 and is currently collecting more than 200 days of exposure. In this talk, current status of the experiment and details of analysis will be presented. <\/p>\n","protected":false},"featured_media":0,"template":"","tags":[],"seminar_category":[54],"acf":{"s_now_accepting":true,"s_date_order":"2017-12-26 16:00:00","s_date_end":null,"s_date_text":"","s_text":"Shingo Kazama","s_place":"KMI Science Symposia (ES635)","s_place_other":"","s_categoryother":"","s_poster":"","s_poster2":"","s_slide":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>XENON1T\u5b9f\u9a13\u306b\u304a\u3051\u308b\u6db2\u4f53\u30ad\u30bb\u30ce\u30f3TPC\u3092\u7528\u3044\u305f\u6697\u9ed2\u7269\u8cea\u306e\u76f4\u63a5\u63a2\u7d22 - KMI - Nagoya University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1039\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"XENON1T\u5b9f\u9a13\u306b\u304a\u3051\u308b\u6db2\u4f53\u30ad\u30bb\u30ce\u30f3TPC\u3092\u7528\u3044\u305f\u6697\u9ed2\u7269\u8cea\u306e\u76f4\u63a5\u63a2\u7d22 - 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XENON1T is a liquid xenon detector capable of exploring a large fraction of the available parameter space for weakly interacting massive particles (WIMPs). 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