{"id":10662,"date":"2024-01-17T17:03:02","date_gmt":"2024-01-17T10:03:02","guid":{"rendered":"https:\/\/www.icisequynhon.com\/?p=10662"},"modified":"2024-01-17T17:03:02","modified_gmt":"2024-01-17T10:03:02","slug":"thi-nghiem-t2k-buoc-vao-giai-doan-moi-voi-su-tang-cuong-do-nhay-dang-ke-cho-nghien-cuu-hang-deu-the-gioi-ve-dao-dong-neutrino","status":"publish","type":"post","link":"https:\/\/www.icisequynhon.com\/vi\/thi-nghiem-t2k-buoc-vao-giai-doan-moi-voi-su-tang-cuong-do-nhay-dang-ke-cho-nghien-cuu-hang-deu-the-gioi-ve-dao-dong-neutrino\/","title":{"rendered":"TH\u00cd NGHI\u1ec6M T2K B\u01af\u1edaC V\u00c0O GIAI \u0110O\u1ea0N M\u1edaI V\u1edaI S\u1ef0 T\u0102NG C\u01af\u1edcNG \u0110\u1ed8 NH\u1ea0Y \u0110\u00c1NG K\u1ec2 CHO NGHI\u00caN C\u1ee8U H\u00c0NG \u0110\u1ec0U TH\u1ebe GI\u1edaI V\u1ec0 DAO \u0110\u1ed8NG NEUTRINO"},"content":{"rendered":"<div class=\"\" data-block=\"true\" data-editor=\"aq83v\" data-offset-key=\"qb5m-0-0\">\n<div class=\"_1mf _1mj\" data-offset-key=\"qb5m-0-0\"><span data-offset-key=\"qb5m-0-0\">Th\u00ed nghi\u1ec7m T2K L\u00e0 th\u00ed nghi\u1ec7m neutrino qu\u1ed1c t\u1ebf \u0111\u1eb7t t\u1ea1i Nh\u1eadt B\u1ea3n v\u1edbi h\u01a1n 500 th\u00e0nh vi\u00ean t\u1eeb 14 qu\u1ed1c gia v\u00e0 v\u00f9ng l\u00e3nh th\u1ed5. Vi\u1ec7t Nam l\u00e0 th\u00e0nh vi\u00ean duy nh\u1ea5t t\u1eeb \u0110\u00f4ng Nam \u00c1 tham gia th\u00ed nghi\u1ec7m n\u00e0y t\u1eeb n\u0103m 2017 v\u1edbi Vi\u1ec7n Khoa h\u1ecdc v\u00e0 Gi\u00e1o d\u1ee5c li\u00ean ng\u00e0nh (IFIRSE, ICISE), Vi\u1ec7n V\u1eadt l\u00fd (IOP, VAST), v\u00e0 \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc T\u1ef1 nhi\u00ean H\u00e0 N\u1ed9i (HUSVNU)<\/span><\/div>\n<\/div>\n<div class=\"\" data-block=\"true\" data-editor=\"aq83v\" data-offset-key=\"2lipd-0-0\">\n<div class=\"_1mf _1mj\" data-offset-key=\"2lipd-0-0\"><span data-offset-key=\"2lipd-0-0\">Th\u00ed nghi\u1ec7m T2K \u0111\u00e3 b\u1eaft \u0111\u1ea7u l\u1ea5y d\u1eef li\u1ec7u m\u1edbi v\u1edbi ch\u00f9m tia neutrino t\u0103ng c\u01b0\u1eddng v\u00e0 c\u00e1c m\u00e1y d\u00f2 neutrino g\u1ea7n m\u1edbi t\u1eeb th\u00e1ng 12 n\u0103m 2023. Trung t\u00e2m KEK\/J-PARC \u0111\u00e3 th\u00e0nh c\u00f4ng n\u00e2ng c\u1ea5p v\u00f2ng ch\u00ednh (main ring) c\u1ee7a m\u00e1y gia t\u1ed1c v\u00e0 \u0111\u01b0\u1eddng d\u1eabn (neutrino beamline) \u0111\u1ec3 t\u0103ng c\u00f4ng su\u1ea5t t\u1ea1o ra ch\u00f9m tia neutrino. T2K c\u0169ng \u0111\u00e3 th\u00e0nh c\u00f4ng n\u00e2ng c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb \u0111o t\u01b0\u01a1ng t\u00e1c neutrino c\u1ee7a m\u00ecnh. H\u1ec7 th\u1ed1ng nam ch\u00e2m \u0111i\u1ec7n xung (\u1ed1ng \u0111i\u1ec7n t\u1eeb \u201ch\u00ecnh s\u1eebng\u201d), tr\u00e1i tim c\u1ee7a h\u1ec7 th\u1ed1ng sinh neutrino, c\u0169ng \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p. D\u00f2ng \u0111i\u1ec7n c\u1ea5p v\u00e0o \u1ed1ng \u0111i\u1ec7n t\u1eeb \u201ch\u00ecnh s\u1eebng\u201d \u0111\u00e3 t\u0103ng t\u1eeb 250 kA l\u00ean 320 kA. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p t\u0103ng th\u00f4ng l\u01b0\u1ee3ng neutrino l\u00ean kho\u1ea3ng 10%. Ngo\u00e0i ra, T2K c\u00f2n l\u1eafp \u0111\u1eb7t c\u00e1c m\u00e1y d\u00f2 neutrino m\u1edbi c\u00f3 th\u1ec3 \u0111o t\u01b0\u01a1ng t\u00e1c neutrino v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n tr\u01b0 \u1edbc. C\u00e1c m\u00e1y d\u00f2 m\u1edbi \u0111\u01b0 \u1ee3c c\u00e0i \u0111\u1eb7 t bao g\u1ed3m SuperFGD, d\u00f9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c d\u1ea5u v\u1ebft xung quanh \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c neutrino b\u00ean trong m\u00e1y d\u00f2, M\u00e1y chi\u1ebfu th\u1eddi gian \u201cg\u00f3c r\u1ed9ng\u201d (High-angle TPC), d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c h\u1ea1t ph\u00e1t ra trong m\u1ed9t ph\u1ea1m vi g\u00f3c r\u1ed9ng v\u00e0 M\u00e1y \u0111o th\u1eddi gian bay (Time-of-Flight), d\u00f9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n h\u01b0\u1edbng \u0111i v\u00e0 ph\u00e2n lo\u1ea1i h\u1ea1t \u0111i qua. C\u00e1c s\u1ef1 ki\u1ec7n neutrino \u0111\u00e3 \u0111\u01b0\u1ee3c quan s\u00e1t th\u00e0nh c\u00f4ng trong qu\u00e1 tr\u00ecnh ch\u1ea1y k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c m\u00e1y d\u00f2 m\u1edbi sau khi b\u1eaft \u0111\u1ea7u v\u1eadn h\u00e0nh ch\u00f9m tia neutrino. N\u0103m 2020, T2K \u0111\u01b0a ra nh\u1eefng g\u1ee3i \u00fd \u0111\u1ea7u ti\u00ean r\u1eb1ng s\u1ef1 \u0111\u1ed1i x\u1ee9ng gi\u1eefa v\u1eadt ch\u1ea5t v\u00e0 ph\u1ea3n v\u1eadt ch\u1ea5t c\u00f3 th\u1ec3 b\u1ecb vi ph\u1ea1m trong c\u00e1c dao \u0111\u1ed9ng neutrino. V\u1edbi nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y, T2K s\u1ebd ti\u1ebfp t\u1ee5c d\u1eabn \u0111\u1ea7u th\u1ebf gi\u1edbi trong vi\u1ec7c n\u00e2ng cao hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a neutrino v\u00e0 l\u00e0m s\u00e1ng t\u1ecf b\u00ed \u1ea9n v\u1ec1 s\u1ef1 thi\u1ebfu h\u1ee5t c\u1ee7a ph\u1ea3n v\u1eadt ch\u1ea5t trong v\u0169 tr\u1ee5.<\/span><\/div>\n<\/div>\n<div class=\"\" data-block=\"true\" data-editor=\"aq83v\" data-offset-key=\"74nbc-0-0\">\n<div class=\"_1mf _1mj\" data-offset-key=\"74nbc-0-0\"><span data-offset-key=\"74nbc-0-0\">\u0110\u1ecdc th\u00eam t\u1ea1i: <a href=\"https:\/\/ifirse.icise.vn\/nugroup\/event\/t2k-pressrelease-20240117.html\">https:\/\/ifirse.icise.vn\/nugroup\/event\/t2k-pressrelease-20240117.html<\/a><\/span><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Th\u00ed nghi\u1ec7m T2K L\u00e0 th\u00ed nghi\u1ec7m neutrino qu\u1ed1c t\u1ebf \u0111\u1eb7t t\u1ea1i Nh\u1eadt B\u1ea3n v\u1edbi h\u01a1n [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":10660,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-blog.php","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"class_list":["post-10662","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/posts\/10662","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/comments?post=10662"}],"version-history":[{"count":1,"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/posts\/10662\/revisions"}],"predecessor-version":[{"id":10663,"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/posts\/10662\/revisions\/10663"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/media\/10660"}],"wp:attachment":[{"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/media?parent=10662"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/categories?post=10662"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.icisequynhon.com\/vi\/wp-json\/wp\/v2\/tags?post=10662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}