{"id":3571,"date":"2015-08-25T19:11:58","date_gmt":"2015-08-25T12:11:58","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=3571"},"modified":"2017-09-27T19:14:36","modified_gmt":"2017-09-27T12:14:36","slug":"cac-nha-khoa-hoc-phat-hien-hat-ma-co-nguon-goc-tu-tam-trai-dat","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cac-nha-khoa-hoc-phat-hien-hat-ma-co-nguon-goc-tu-tam-trai-dat\/","title":{"rendered":"C\u00e1c nh\u00e0 khoa h\u1ecdc ph\u00e1t hi\u1ec7n \u201ch\u1ea1t ma\u201d c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb t\u00e2m Tr\u00e1i \u0111\u1ea5t"},"content":{"rendered":"

Trong nhi\u1ec1u th\u1eadp k\u1ef7 qua, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u00ecm ra b\u00ed \u1ea9n ngu\u1ed3n g\u1ed1c c\u1ee7a c\u00e1c h\u1ea1t neutrino, hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ch\u1ea1t ma\u201d do ch\u00fang ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng. Ph\u00e1t hi\u1ec7n m\u1edbi \u0111\u00e2y c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc cho th\u1ea5y r\u1eb1ng ngu\u1ed3n g\u1ed1c c\u1ee7a lo\u1ea1i h\u1ea1t h\u1ea1 nguy\u00ean t\u1eed n\u00e0y c\u00f3 th\u1ec3 l\u00e0 t\u1eeb t\u00e2m Tr\u00e1i \u0111\u1ea5t.<\/strong><\/p>\n

\"\"<\/p>\n

Nghi\u00ean c\u1ee9u n\u00e0y \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1ea1i m\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t t\u1ea1i Italy. K\u1ebft qu\u1ea3 n\u00e0y c\u00f2n ti\u1ebft l\u1ed9 nh\u1eefng nguy\u00ean t\u1ed1 ph\u00f3ng x\u1ea1 n\u00e0o n\u1eb1m trong l\u00f2ng Tr\u00e1i \u0111\u1ea5t v\u00e0 c\u01a1 ch\u1ebf c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00f3ng x\u1ea1 t\u1ea1o ra nhi\u1ec7t v\u00e0 n\u0103ng l\u01b0\u1ee3ng b\u00ean trong Tr\u00e1i \u0111\u1ea5t l\u00e0 nh\u01b0 th\u1ebf n\u00e0o.
\nThe research could help to reveal what radioactive elements lie within the Earth and the radioactive processes generating heat inside our planet. A cross section illustration of the Earth is shown<\/p>\n

\"\"
\nT\u00e2m tr\u00e1i \u0111\u1ea5t l\u00e0 m\u1ed9t l\u00f2 ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ea1ch kh\u1ed5ng l\u1ed3.<\/p>\n

C\u00e1c h\u1ea1t neutrino \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n li\u00ean quan \u0111\u1ebfn s\u1ef1 ph\u00e2n r\u00e3 c\u1ee7a c\u00e1c nguy\u00ean t\u1eed kh\u00f4ng b\u1ec1n v\u1eefng. C\u00e1c h\u1ea1t n\u00e0y v\u00f4 c\u00f9ng nh\u1ecf v\u00e0 nh\u1eb9 h\u01a1n electron t\u1edbi 500.000 l\u1ea7n, do \u0111\u00f3 c\u00e1c nh\u00e0 khoa h\u1ecdc quy \u0111\u1ecbnh r\u1eb1ng ch\u00fang kh\u00f4ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c h\u1ea1t h\u1ea1 nguy\u00ean t\u1eed, bi\u1ec7t danh kh\u00e1c l\u00e0 \u201ch\u1ea1t ma\u201d.<\/p>\n

L\u00f5i c\u1ee7a Tr\u00e1i \u0111\u1ea5t c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao g\u1ea5p 20 l\u1ea7n t\u1ea5t c\u1ea3 c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n c\u1ee7a ch\u00fang ta c\u1ed9ng l\u1ea1i. Trong khi h\u1ea7u h\u1ebft l\u01b0\u1ee3ng nhi\u1ec7t n\u00e0y l\u00e0 do qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh Tr\u00e1i \u0111\u1ea5t v\u1eabn c\u00f2n l\u1ea1i, th\u00ec m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t kh\u00e1c \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb s\u1ef1 ph\u00e2n r\u00e3 c\u00e1c nguy\u00ean t\u1ed1 ph\u00f3ng x\u1ea1.<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i Ph\u00f2ng th\u00ed nghi\u1ec7m Gran Sasso, n\u1eb1m d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t 1,5km t\u1ea1i d\u00e3y n\u00fai Apennine, Italy \u0111\u00e3 s\u1eed d\u1ee5ng c\u1ed7 m\u00e1y Borexino d\u00f2 neutrino \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 t\u00ecm ki\u1ebfm ngu\u1ed3n g\u1ed1c th\u1ef1c s\u1ef1 c\u1ee7a c\u00e1c lo\u1ea1i h\u1ea1t n\u00e0y.<\/p>\n

Scientists at Gran Sasso National Laboratory in Italy, which is located one mile (1.5km) below the Apennine Mountains, used the Borexino neutrino detector (pictured) to study the ghost particles<\/p>\n

\"\"

EPSON DSC picture<\/p><\/div>\n

Ph\u00f2ng th\u00ed nghi\u1ec7m Gran Sasso \u0111\u1eb7c bi\u1ec7t d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t.<\/p>\n

C\u1ed7 m\u00e1y Borexino s\u1eed d\u1ee5ng t\u1edbi 2.200 b\u1ed9 c\u1ea3m bi\u1ebfn \u0111\u1ec3 ph\u00e1t hi\u1ec7n d\u1ea5u hi\u1ec7u d\u00f9 l\u00e0 nh\u1ecf nh\u1ea5t c\u1ee7a c\u00e1c tia s\u00e1ng t\u1ea1o ra b\u1edfi c\u00e1c h\u1ea1t neutrino, khi c\u00e1c h\u1ea1t n\u00e0y t\u01b0\u01a1ng t\u00e1c v\u1edbi 200 t\u1ea5n ch\u1ea5t l\u1ecfng \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c x\u1ebfp trong m\u1ed9t qu\u1ea3 c\u1ea7u kh\u1ed5ng l\u1ed3.<\/p>\n

K\u1ebft qu\u1ea3 cho th\u1ea5y c\u00f3 24 geoneutrino \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n, c\u00e1c h\u1ea1t geoneutrino \u0111\u01b0\u1ee3c t\u1ea1o ra sau khi neutrino t\u00e1c \u0111\u1ed9ng l\u00ean c\u00e1c h\u1ea1t nguy\u00ean t\u1eed kh\u00e1c. C\u00e1c nh\u00e0 khoa h\u1ecdc c\u0169ng t\u00ednh to\u00e1n v\u00e0 \u0111\u01b0a ra ph\u00e1n \u0111o\u00e1n r\u1eb1ng 70% c\u1ee7a ngu\u1ed3n nhi\u1ec7t trong t\u00e2m Tr\u00e1i \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u1edd ph\u1ea3n \u1ee9ng ph\u00f3ng x\u1ea1.<\/p>\n

The first firm evidence that neutrinos are produced beneath the Earth\u2019s crust has been collected in Italy. Scientists have shed light on the origins of the barely-there neutral subatomic particles (a stock illustration is shown) in an underground laboratory in Italy
\nNeutrino c\u00f2n r\u1ea5t nhi\u1ec1u b\u00ed \u1ea9n m\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn ch\u01b0a kh\u00e1m ph\u00e1 \u0111\u01b0\u1ee3c h\u1ebft.<\/p>\n

Neutrino l\u00e0 lo\u1ea1i h\u1ea1t k\u1ef3 l\u1ea1 mang trong m\u00ecnh nhi\u1ec1u b\u00ed \u1ea9n m\u00e0 c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u01b0a th\u1ec3 l\u00fd gi\u1ea3i h\u1ebft \u0111\u01b0\u1ee3c. Tr\u01b0\u1edbc \u0111\u00e2y ch\u00fang ta m\u1edbi ch\u1ec9 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c h\u1ea1t neutrino ngo\u00e0i v\u0169 tr\u1ee5, tuy nhi\u00ean v\u1edbi k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u m\u1edbi n\u00e0y c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1ebd c\u00f3 c\u01a1 s\u1edf m\u1edbi \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u1ec1 lo\u1ea1i h\u1ea1t n\u00e0y.<\/p>\n

C\u00e1c neutrino di chuy\u1ec3n r\u1ea5t nhanh, g\u1ea7n b\u1eb1ng v\u1edbi t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng v\u00e0 do \u0111\u00f3 mang theo n\u0103ng l\u01b0\u1ee3ng r\u1ea5t l\u1edbn. Ghi nh\u1eadn c\u1ee7a m\u1ed9t nghi\u00ean c\u1ee9u cho th\u1ea5y neutrino c\u00f3 th\u1ec3 c\u00f3 n\u0103ng l\u01b0\u1ee3ng g\u1ea5p 1.000 l\u1ea7n so v\u1edbi h\u1ea1t proton trong m\u00e1y gia t\u1ed1c h\u1ea1t LHC. Vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c h\u1ea1t neutrino s\u1ebd gi\u00fap ch\u00fang ta hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a v\u0169 tr\u1ee5.<\/p>\n

Tham kh\u1ea3o: Dailymail<\/p>\n

Ngu\u1ed3n Genk.vn<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong nhi\u1ec1u th\u1eadp k\u1ef7 qua, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u00ecm ra b\u00ed \u1ea9n ngu\u1ed3n g\u1ed1c c\u1ee7a c\u00e1c h\u1ea1t neutrino, hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ch\u1ea1t ma\u201d do ch\u00fang ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng. Ph\u00e1t hi\u1ec7n m\u1edbi \u0111\u00e2y c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc cho th\u1ea5y r\u1eb1ng ngu\u1ed3n g\u1ed1c c\u1ee7a lo\u1ea1i h\u1ea1t […]<\/p>\n","protected":false},"author":17,"featured_media":3573,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-3571","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\/3571","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=3571"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3571\/revisions"}],"predecessor-version":[{"id":3577,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3571\/revisions\/3577"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/3573"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=3571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=3571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=3571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}