{"id":15002,"date":"2024-08-27T21:08:07","date_gmt":"2024-08-27T21:08:07","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15002"},"modified":"2024-08-27T21:08:07","modified_gmt":"2024-08-27T21:08:07","slug":"worlds-largest-underwater-neutrino-observatory-deployed-in-lake-baikal","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/physics\/worlds-largest-underwater-neutrino-observatory-deployed-in-lake-baikal\/","title":{"rendered":"\u0110\u00e0i quan s\u00e1t neutrino d\u01b0\u1edbi n\u01b0\u1edbc l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1ea1i H\u1ed3 Baikal"},"content":{"rendered":"

\u0110\u00e0i quan s\u00e1t neutrino d\u01b0\u1edbi n\u01b0\u1edbc l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1ea1i H\u1ed3 Baikal<\/h2>\n\n

Ph\u00e1t hi\u1ec7n neutrino \u1edf v\u00f9ng n\u01b0\u1edbc s\u00e2u<\/h2>\n\n

M\u00e1y d\u00f2 Th\u1ec3 t\u00edch Gigaton Baikal (Baikal-GVD) l\u00e0 m\u1ed9t k\u00ednh vi\u1ec5n v\u1ecdng d\u01b0\u1edbi n\u01b0\u1edbc mang t\u00ednh \u0111\u1ed9t ph\u00e1 \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u1eadp \u1edf \u0111\u1ed9 s\u00e2u c\u1ee7a H\u1ed3 Baikal, h\u1ed3 n\u01b0\u1edbc ng\u1ecdt l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi. \u0110\u00e0i quan s\u00e1t kh\u1ed5ng l\u1ed3 n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 nghi\u00ean c\u1ee9u c\u00e1c neutrino kh\u00f3 n\u1eafm b\u1eaft, c\u00e1c h\u1ea1t h\u1ea1 nguy\u00ean t\u1eed c\u01a1 b\u1ea3n \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t \u0111\u1ec3 hi\u1ec3u v\u1ec1 ngu\u1ed3n g\u1ed1c v\u00e0 s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a v\u0169 tr\u1ee5.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c neutrino<\/h2>\n\n

Neutrino l\u00e0 nh\u1eefng h\u1ea1t c\u00f3 nhi\u1ec1u nh\u1ea5t trong v\u0169 tr\u1ee5, nh\u01b0ng ch\u00fang c\u0169ng c\u1ef1c k\u1ef3 kh\u00f3 ph\u00e1t hi\u1ec7n v\u00ec ch\u00fang kh\u00f4ng mang \u0111i\u1ec7n t\u00edch v\u00e0 b\u1ea3n ch\u1ea5t g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng. Ch\u00fang \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u qu\u00e1 tr\u00ecnh v\u1eadt l\u00fd thi\u00ean v\u0103n, bao g\u1ed3m s\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a c\u00e1c ng\u00f4i sao v\u00e0 s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a v\u1eadt ch\u1ea5t t\u1ed1i.<\/p>\n\n

Th\u00ed nghi\u1ec7m Water Cherenkov: Ph\u00e1t hi\u1ec7n neutrino<\/h2>\n\n

C\u00e1c th\u00ed nghi\u1ec7m Water Cherenkov \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n neutrino. Khi m\u1ed9t neutrino t\u01b0\u01a1ng t\u00e1c v\u1edbi n\u01b0\u1edbc, n\u00f3 ph\u00e1t ra m\u1ed9t ch\u1edbp s\u00e1ng y\u1ebfu, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ee9c x\u1ea1 Cherenkov. K\u00ednh vi\u1ec5n v\u1ecdng Baikal-GVD s\u1eed d\u1ee5ng c\u00e1c chu\u1ed7i m\u00f4-\u0111un quang h\u1ecdc c\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c \u0111\u1eb7t d\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ec3 b\u1eaft c\u00e1c ch\u1edbp s\u00e1ng n\u00e0y.<\/p>\n\n

Baikal-GVD: M\u1ed9t n\u1ed7 l\u1ef1c h\u1ee3p t\u00e1c<\/h2>\n\n

K\u00ednh vi\u1ec5n v\u1ecdng Baikal-GVD l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a n\u1ed7 l\u1ef1c h\u1ee3p t\u00e1c c\u1ee7a c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u1ebfn t\u1eeb Nga, C\u1ed9ng h\u00f2a S\u00e9c, Ba Lan, \u0110\u1ee9c v\u00e0 Slovakia. K\u1ec3 t\u1eeb l\u1ea7n tri\u1ec3n khai ban \u0111\u1ea7u v\u00e0o n\u0103m 2015 v\u1edbi 192 m\u00f4-\u0111un quang h\u1ecdc, k\u00ednh \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p l\u00ean 288 m\u00f4-\u0111un, tr\u1edf th\u00e0nh \u0111\u00e0i quan s\u00e1t neutrino d\u01b0\u1edbi n\u01b0\u1edbc l\u1edbn nh\u1ea5t \u1edf B\u1eafc b\u00e1n c\u1ea7u.<\/p>\n\n

Nh\u1eefng l\u1ee3i th\u1ebf \u0111\u1ed9c \u0111\u00e1o c\u1ee7a H\u1ed3 Baikal<\/h2>\n\n

Nh\u1eefng \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a H\u1ed3 Baikal bi\u1ebfn n\u01a1i \u0111\u00e2y tr\u1edf th\u00e0nh \u0111\u1ecba \u0111i\u1ec3m l\u00fd t\u01b0\u1edfng \u0111\u1ec3 ph\u00e1t hi\u1ec7n neutrino. \u0110\u1ed9 s\u00e2u c\u1ef1c l\u1edbn (2.500 \u0111\u1ebfn 4.300 feet) v\u00e0 n\u01b0\u1edbc ng\u1ecdt trong v\u1eaft c\u1ee7a h\u1ed3 cung c\u1ea5p m\u1ed9t m\u00f4i tr\u01b0\u1eddng t\u1ed1i \u01b0u \u0111\u1ec3 ph\u00e1t hi\u1ec7n neutrino. Ngo\u00e0i ra, l\u1edbp b\u0103ng theo m\u00f9a k\u00e9o d\u00e0i hai th\u00e1ng c\u00e0ng l\u00e0m t\u0103ng th\u00eam kh\u1ea3 n\u0103ng c\u1ee7a \u0111\u00e0i quan s\u00e1t.<\/p>\n\n

M\u1ee5c ti\u00eau khoa h\u1ecdc c\u1ee7a Baikal-GVD<\/h2>\n\n

K\u00ednh vi\u1ec5n v\u1ecdng Baikal-GVD \u0111\u1eb7t m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a neutrino, bao g\u1ed3m c\u00e1c bi\u1ebfn \u0111\u1ed9ng, ngu\u1ed3n g\u1ed1c v\u00e0 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ch\u00fang. B\u1eb1ng c\u00e1ch gi\u1ea3i m\u00e3 nh\u1eefng b\u00ed \u1ea9n xung quanh neutrino, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u hy v\u1ecdng s\u1ebd hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1c giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean c\u1ee7a s\u1ef1 ti\u1ebfn h\u00f3a v\u0169 tr\u1ee5, b\u1ea3n ch\u1ea5t c\u1ee7a v\u1eadt ch\u1ea5t t\u1ed1i v\u00e0 s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a c\u00e1c ng\u00f4i sao.<\/p>\n\n

\u0110\u1ed1i \u0111\u1ea7u v\u1edbi IceCube: So s\u00e1nh tr\u00ean to\u00e0n c\u1ea7u<\/h2>\n\n

L\u00e0 \u0111\u00e0i quan s\u00e1t neutrino d\u01b0\u1edbi n\u01b0\u1edbc l\u1edbn nh\u1ea5t \u1edf B\u1eafc b\u00e1n c\u1ea7u, k\u00ednh vi\u1ec5n v\u1ecdng Baikal-GVD \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd c\u1ea1nh tranh \u0111\u01b0\u1ee3c v\u1edbi \u0110\u00e0i quan s\u00e1t Neutrino IceCube n\u1ed5i ti\u1ebfng n\u1eb1m \u1edf Nam C\u1ef1c. C\u1ea3 hai \u0111\u00e0i quan s\u00e1t \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng t\u1ef1 v\u00e0 \u0111\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau th\u00fac \u0111\u1ea9y s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 neutrino v\u00e0 v\u0169 tr\u1ee5 n\u00f3i chung.<\/p>\n\n

M\u1ed9t c\u1eeda s\u1ed5 \u0111\u1ebfn v\u0169 tr\u1ee5<\/h2>\n\n

K\u00ednh vi\u1ec5n v\u1ecdng Baikal-GVD l\u00e0 minh ch\u1ee9ng cho s\u1ef1 s\u00e1ng t\u1ea1o c\u1ee7a con ng\u01b0\u1eddi v\u00e0 s\u1ef1 t\u00f2 m\u00f2 kh\u00f4ng bao gi\u1edd ngu\u00f4i c\u1ee7a ch\u00fang ta v\u1ec1 v\u0169 tr\u1ee5. B\u1eb1ng c\u00e1ch nh\u00ecn s\u00e2u v\u00e0o H\u1ed3 Baikal, c\u00e1c nh\u00e0 khoa h\u1ecdc hy v\u1ecdng s\u1ebd l\u00e0m s\u00e1ng t\u1ecf m\u1ed9t s\u1ed1 b\u00ed \u1ea9n s\u00e2u s\u1eafc nh\u1ea5t c\u1ee7a v\u0169 tr\u1ee5 v\u00e0 kh\u00e1m ph\u00e1 ra nh\u1eefng b\u00ed m\u1eadt c\u1ee7a nh\u1eefng h\u1ea1t nh\u1ecf nh\u1ea5t v\u00e0 phong ph\u00fa nh\u1ea5t tr\u00e0n ng\u1eadp v\u0169 tr\u1ee5.<\/p>","protected":false},"excerpt":{"rendered":"

\u0110\u00e0i quan s\u00e1t neutrino d\u01b0\u1edbi n\u01b0\u1edbc l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1ea1i H\u1ed3 Baikal Ph\u00e1t hi\u1ec7n neutrino \u1edf v\u00f9ng n\u01b0\u1edbc s\u00e2u M\u00e1y d\u00f2 Th\u1ec3 t\u00edch Gigaton Baikal (Baikal-GVD)…<\/p>\n","protected":false},"author":2,"featured_media":24163,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[965],"tags":[20047,20045,20046,962,436],"class_list":["post-15002","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-physics","tag-lake-baikal","tag-neutrinos","tag-underwater-observatories","tag-particle-physics","tag-astrophysics"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15002","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=15002"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15002\/revisions"}],"predecessor-version":[{"id":24164,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15002\/revisions\/24164"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/24163"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}