{"id":4192,"date":"2015-10-22T12:48:18","date_gmt":"2015-10-22T05:48:18","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=4192"},"modified":"2017-09-28T23:05:29","modified_gmt":"2017-09-28T16:05:29","slug":"nobel-vat-ly-2015-kham-pha-tan-cung-vat-chat","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nobel-vat-ly-2015-kham-pha-tan-cung-vat-chat\/","title":{"rendered":"Nobel V\u1eadt l\u00fd 2015 kh\u00e1m ph\u00e1 t\u1eadn c\u00f9ng v\u1eadt ch\u1ea5t"},"content":{"rendered":"

Gi\u1ea3i Nobel V\u1eadt l\u00fd 2015 \u0111\u01b0\u1ee3c trao cho 2 nh\u00e0 khoa h\u1ecdc Takaaki Kajita v\u00e0 Arthur B. McDonald h\u00f4m 6-10-2015 v\u00ec c\u00f4ng tr\u00ecnh kh\u00e1m ph\u00e1 ra s\u1ef1 dao \u0111\u1ed9ng c\u1ee7a h\u1ea1t neutrino, qua \u0111\u00f3 cho th\u1ea5y neutrino c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng.<\/strong><\/p>\n

\"\"<\/p>\n

Hai nh\u00e0 khoa h\u1ecdc \u0111\u01b0\u1ee3c trao gi\u1ea3i Nobel V\u1eadt l\u00fd 2015. \u1ea2nh: Nobelprize.org<\/strong><\/em><\/p>\n

Theo Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc Ho\u00e0ng gia Th\u1ee5y \u0110i\u1ec3n, hai nh\u00e0 khoa h\u1ecdc Takaaki Kajita (Nh\u1eadt B\u1ea3n) v\u00e0 Arthur B. McDonald (Canada) \u0111\u00e3 c\u00f3 \u0111\u00f3ng g\u00f3p quan tr\u1ecdng trong c\u00e1c cu\u1ed9c th\u00ed nghi\u1ec7m ch\u1ee9ng t\u1ecf h\u1ea1t neutrino (m\u1ed9t lo\u1ea1i h\u1ea1t s\u01a1 c\u1ea5p) thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh. S\u1ef1 bi\u1ebfn h\u00f3a n\u00e0y \u0111\u00f2i h\u1ecfi neutrino c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng.
\nPh\u00e1t hi\u1ec7n tr\u00ean \u0111\u00e3 l\u00e0m thay \u0111\u1ed5i s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a con ng\u01b0\u1eddi v\u1ec1 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1eadn trong c\u00f9ng c\u1ee7a v\u1eadt ch\u1ea5t, \u0111\u1ed3ng th\u1eddi c\u00f3 vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi quan \u0111i\u1ec3m c\u1ee7a ch\u00fang ta v\u1ec1 v\u0169 tr\u1ee5.<\/p>\n

Neutrino l\u00e0 lo\u1ea1i h\u1ea1t g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 hi\u1ebfm khi t\u01b0\u01a1ng t\u00e1c v\u1edbi th\u1ee9 g\u00ec kh\u00e1c. \u0110i\u1ec1u n\u00e0y khi\u1ebfn cho vi\u1ec7c nghi\u00ean c\u1ee9u n\u00f3 g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n.<\/p>\n

Kh\u00e1m ph\u00e1 c\u1ee7a 2 nh\u00e0 khoa h\u1ecdc \u0111\u00e3 mang \u0111\u1ebfn nh\u1eefng hi\u1ec3u bi\u1ebft chuy\u00ean s\u00e2u quan tr\u1ecdng v\u1ec1 th\u1ebf gi\u1edbi b\u00ed \u1ea9n c\u1ee7a h\u1ea1t neutrino, \u0111\u1ed3ng th\u1eddi gi\u00fap gi\u1ea3i quy\u1ebft m\u1ed9t b\u00e0i to\u00e1n kh\u00f3 li\u00ean quan \u0111\u1ebfn n\u00f3.<\/p>\n

C\u1ee5 th\u1ec3, khi quan s\u00e1t hi\u1ec7n t\u01b0\u1ee3ng h\u1ea1t neutrino t\u1eeb m\u1eb7t tr\u1eddi r\u01a1i xu\u1ed1ng tr\u00e1i \u0111\u1ea5t, c\u00e1c nh\u00e0 khoa h\u1ecdc nh\u1eadn th\u1ea5y c\u00f3 \u0111\u1ebfn 2\/3 s\u1ed1 l\u01b0\u1ee3ng h\u1ea1t n\u00e0y bi\u1ebfn m\u1ea5t so v\u1edbi t\u00ednh to\u00e1n v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft.<\/p>\n

Tuy nhi\u00ean, hai \u00f4ng Kajita v\u00e0 McDonald \u0111\u00e3 ph\u00e1t hi\u1ec7n ra ch\u00fang kh\u00f4ng bi\u1ebfn m\u1ea5t m\u00e0 ch\u1ec9 thay \u0111\u1ed5i \u0111\u1eb7c t\u00ednh. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y ch\u00fang c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng, kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nh\u01b0 suy ngh\u0129 c\u1ee7a c\u00e1c nh\u00e0 v\u1eadt l\u00fd h\u1ecdc tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n

H\u1ea1t neutrino c\u00f3 s\u1ed1 l\u01b0\u1ee3ng nhi\u1ec1u th\u1ee9 2 trong to\u00e0n b\u1ed9 v\u0169 tr\u1ee5, ch\u1ec9 sau h\u1ea1t photon (quang t\u1eed). Tr\u00e1i \u0111\u1ea5t th\u01b0\u1eddng xuy\u00ean b\u1ecb \u201cd\u1ed9i bom\u201d b\u1edfi nh\u1eefng h\u1ea1t n\u00e0y.<\/p>\n

Nh\u00e0 khoa h\u1ecdc Takaaki Kajita sinh n\u0103m 1959 t\u1ea1i TP Higashimatsuyama – Nh\u1eadt B\u1ea3n, nh\u1eadn b\u1eb1ng ti\u1ebfn s\u0129 t\u1ea1i Tr\u01b0\u1eddng \u0110H Tokyo n\u0103m 1986. \u00d4ng hi\u1ec7n l\u00e0 Gi\u00e1m \u0111\u1ed1c Vi\u1ec7n nghi\u00ean c\u1ee9u tia v\u0169 tr\u1ee5 \u0111\u1ed3ng th\u1eddi l\u00e0 gi\u00e1o s\u01b0 t\u1ea1i Tr\u01b0\u1eddng \u0110H Tokyo.<\/p>\n

Trong khi \u0111\u00f3, \u00f4ng Arthur B. McDonald sinh t\u1ea1i Canada n\u0103m 1943, c\u00f3 b\u1eb1ng ti\u1ebfn s\u0129 t\u1ea1i Vi\u1ec7n C\u00f4ng ngh\u1ec7 California n\u0103m 1969 v\u00e0 hi\u1ec7n l\u00e0 Gi\u00e1o s\u01b0 danh d\u1ef1 t\u1ea1i Tr\u01b0\u1eddng \u0110H Queen (Canada).<\/p>\n

Hai nh\u00e0 khoa h\u1ecdc tr\u00ean s\u1ebd chia \u0111\u00f4i ph\u1ea7n th\u01b0\u1edfng tr\u1ecb gi\u00e1 kho\u1ea3ng 960.000 USD.<\/p>\n

Tr\u1ea3 l\u1eddi ph\u1ecfng v\u1ea5n c\u00e1c ph\u00f3ng vi\u00ean sau khi hay tin \u0111\u01b0\u1ee3c trao gi\u1ea3i Nobel, \u00f4ng McDonald cho bi\u1ebft c\u00f3 nhi\u1ec1u \u0111\u1ed3ng nghi\u1ec7p kh\u00e1c x\u1ee9ng \u0111\u00e1ng chia s\u1ebb gi\u1ea3i th\u01b0\u1edfng n\u00e0y v\u1edbi m\u00ecnh. Theo \u00f4ng, c\u00f4ng tr\u00ecnh tr\u00ean l\u00e0 m\u1ed9t \u201cs\u1ef1 c\u1ed9ng t\u00e1c r\u1ea5t th\u00e2n thi\u1ec7n\u201d v\u00e0 c\u1ea7n nhi\u1ec1u n\u0103m \u0111\u1ec3 ho\u00e0n th\u00e0nh n\u00f3.<\/p>\n

P.V\u00f5 (Theo Nobelprize.org, BBC, Guardian)<\/em>
\n http:\/\/nld.com.vn<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Gi\u1ea3i Nobel V\u1eadt l\u00fd 2015 \u0111\u01b0\u1ee3c trao cho 2 nh\u00e0 khoa h\u1ecdc Takaaki Kajita v\u00e0 Arthur B. McDonald h\u00f4m 6-10-2015 v\u00ec c\u00f4ng tr\u00ecnh kh\u00e1m ph\u00e1 ra s\u1ef1 dao \u0111\u1ed9ng c\u1ee7a h\u1ea1t neutrino, qua \u0111\u00f3 cho th\u1ea5y neutrino c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng. Hai nh\u00e0 khoa h\u1ecdc \u0111\u01b0\u1ee3c trao gi\u1ea3i Nobel V\u1eadt l\u00fd 2015. \u1ea2nh: Nobelprize.org Theo Vi\u1ec7n […]<\/p>\n","protected":false},"author":17,"featured_media":4426,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-4192","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=4192"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4192\/revisions"}],"predecessor-version":[{"id":4427,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/4192\/revisions\/4427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/4426"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=4192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=4192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=4192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}