{"id":18566,"date":"2025-12-01T10:30:48","date_gmt":"2025-12-01T03:30:48","guid":{"rendered":"https:\/\/vinatom.gov.vn\/?p=18566"},"modified":"2025-12-01T10:33:03","modified_gmt":"2025-12-01T03:33:03","slug":"mot-buoc-tien-quan-trong-trong-viec-tao-ra-nguon-neutron-sieu-lanh-cho-lo-phan-ung-pik-cua-nga","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/mot-buoc-tien-quan-trong-trong-viec-tao-ra-nguon-neutron-sieu-lanh-cho-lo-phan-ung-pik-cua-nga\/","title":{"rendered":"M\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng trong vi\u1ec7c t\u1ea1o ra ngu\u1ed3n neutron si\u00eau l\u1ea1nh cho l\u00f2 ph\u1ea3n \u1ee9ng PIK c\u1ee7a Nga"},"content":{"rendered":"<p style=\"text-align: justify;\"><em>Th\u1ee9 n\u0103m, ng\u00e0y 30 th\u00e1ng 10 n\u0103m 2025<\/em><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><em>Ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a Vi\u1ec7n s\u0129 th\u00f4ng t\u1ea5n Vi\u1ec7n H\u00e0n l\u00e2m khoa h\u1ecdc Nga (RAS) A. P. Serebrov \u0111ang ti\u1ebfn h\u00e0nh c\u00e1c c\u00f4ng vi\u1ec7c \u0111\u1ec3 ph\u00e1t tri\u1ec3n ngu\u1ed3n neutron si\u00eau l\u1ea1nh (ultracold neutron source-UCN) d\u1ef1a tr\u00ean heli si\u00eau l\u1ecfng cho l\u00f2 ph\u1ea3n \u1ee9ng PIK t\u1ea1i Vi\u1ec7n V\u1eadt l\u00fd h\u1ea1t nh\u00e2n Petersburg (PNPI) \u1edf Gatchina, Nga. \u0110\u1ec3 c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t ngu\u1ed3n UCN nh\u01b0 v\u1eady, c\u1ea7n ph\u1ea3i t\u1ea1o ra \u0111\u01b0\u1ee3c v\u00e0 duy tr\u00ec heli \u1edf tr\u1ea1ng th\u00e1i si\u00eau l\u1ecfng \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 1 K trong \u0111i\u1ec1u ki\u1ec7n th\u00f4ng l\u01b0\u1ee3ng nhi\u1ec7t cao t\u1eeb l\u00f2 ph\u1ea3n \u1ee9ng.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">V\u00e0o ng\u00e0y 23 th\u00e1ng 10, nh\u00f3m nghi\u00ean c\u1ee9u ngu\u1ed3n UCN, do TS. V. A. Lyamkin d\u1eabn \u0111\u1ea7u \u0111\u00e3 th\u00e0nh c\u00f4ng trong vi\u1ec7c \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh d\u00f9ng heli. Thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh l\u00e0 th\u00e0nh ph\u1ea7n trung t\u00e2m c\u1ee7a ngu\u1ed3n neutron si\u00eau l\u1ea1nh \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n. T\u1ea1i \u0111\u00e2y, heli th\u00f4ng th\u01b0\u1eddng t\u00edch t\u1ee5 v\u00e0 l\u00e0m l\u1ea1nh xu\u1ed1ng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p 1,2 K, sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh tr\u1ea1ng th\u00e1i si\u00eau l\u1ecfng. Qu\u00e1 tr\u00ecnh n\u00e0y m\u1ea5t ba ng\u00e0y v\u00e0 c\u1ea7n 1.000 l\u00edt nit\u01a1 l\u1ecfng v\u00e0 150 l\u00edt heli l\u1ecfng, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i ch\u1ed7 b\u1eb1ng m\u00e1y h\u00f3a l\u1ecfng ri\u00eang c\u1ee7a t\u1ed5 h\u1ee3p.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Vi\u1ec7c \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh th\u00e0nh c\u00f4ng thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh t\u00ednh \u0111\u00fang \u0111\u1eafn c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt v\u00e0 t\u00ednh to\u00e1n l\u00fd thuy\u1ebft. \u0110\u00e2y l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng h\u01b0\u1edbng t\u1edbi m\u1ee5c ti\u00eau ch\u00ednh: \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 neutron si\u00eau l\u1ea1nh k\u1ef7 l\u1ee5c, cao h\u01a1n \u00edt nh\u1ea5t 100 l\u1ea7n so v\u1edbi m\u1ee9c \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ea1i c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng t\u1ef1 hi\u1ec7n c\u00f3.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Ngu\u1ed3n neutron si\u00eau l\u1ea1nh m\u1edbi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c th\u00ed nghi\u1ec7m v\u1eadt l\u00fd v\u1ec1 t\u01b0\u01a1ng t\u00e1c c\u01a1 b\u1ea3n. V\u00ed d\u1ee5, c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1ebd s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 t\u00ecm ki\u1ebfm m\u00f4men l\u01b0\u1ee1ng c\u1ef1c \u0111i\u1ec7n c\u1ee7a neutron. Ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u0103n b\u1ea3n hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang ta v\u1ec1 t\u01b0\u01a1ng t\u00e1c h\u1ea1t v\u00e0 c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch m\u1ed9t trong nh\u1eefng b\u00ed \u1ea9n l\u1edbn nh\u1ea5t c\u1ee7a v\u0169 tr\u1ee5 &#8211; t\u1ea1i sao v\u1eadt ch\u1ea5t l\u1ea1i nhi\u1ec1u h\u01a1n ph\u1ea3n v\u1eadt ch\u1ea5t.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng l\u00e0 c\u00e1c ph\u00e9p \u0111o \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch v\u1ec1 th\u1eddi gian s\u1ed1ng c\u1ee7a neutron. Nh\u1eefng d\u1eef li\u1ec7u n\u00e0y l\u00e0 ch\u00eca kh\u00f3a cho v\u0169 tr\u1ee5 h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ec3 hi\u1ec3u c\u00e1ch c\u00e1c nguy\u00ean t\u1ed1 nh\u1eb9 h\u00ecnh th\u00e0nh trong nh\u1eefng ph\u00fat \u0111\u1ea7u ti\u00ean sau V\u1ee5 N\u1ed5 L\u1edbn.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">B\u01b0\u1edbc ti\u1ebfp theo c\u1ee7a th\u00e0nh c\u00f4ng n\u00e0y s\u1ebd l\u00e0 vi\u1ec7c l\u1eafp gh\u00e9p v\u00e0 th\u1eed nghi\u1ec7m l\u00e0m l\u1ea1nh s\u00e2u ph\u1ea7n ngu\u1ed3n n\u1eb1m b\u00ean trong bu\u1ed3ng b\u00ea t\u00f4ng, hi\u1ec7n \u0111ang trong giai \u0111o\u1ea1n chu\u1ea9n b\u1ecb cu\u1ed1i c\u00f9ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u00e0n th\u00e0nh nhanh ch\u00f3ng c\u00f4ng vi\u1ec7c l\u1eafp \u0111\u1eb7t quan tr\u1ecdng n\u00e0y t\u1ea1i l\u00f2 ph\u1ea3n \u1ee9ng PIK, d\u1ef1 \u00e1n hi\u1ec7n \u0111ang c\u1ea7n b\u1ed5 sung \u0111\u1ed9i ng\u0169 l\u1eafp \u0111\u1eb7t c\u00f3 tr\u00ecnh \u0111\u1ed9. Sau khi ho\u00e0n t\u1ea5t x\u00e2y d\u1ef1ng, ngu\u1ed3n s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i k\u00eanh th\u1eed nghi\u1ec7m l\u1edbn nh\u1ea5t c\u1ee7a l\u00f2 ph\u1ea3n \u1ee9ng PIK, k\u00eanh GEK-4, n\u01a1i m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh khoa h\u1ecdc quy m\u00f4 l\u1edbn s\u1ebd b\u1eaft \u0111\u1ea7u.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">M\u1ed9t s\u1ed1 h\u00ecnh \u1ea3nh v\u1ec1 qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh c\u1ee7a h\u1ec7 thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-18567\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/1.png\" alt=\"\" width=\"661\" height=\"240\" srcset=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/1.png 661w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/1-300x109.png 300w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/1-150x54.png 150w\" sizes=\"auto, (max-width: 661px) 100vw, 661px\" \/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-18568\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/2.png\" alt=\"\" width=\"661\" height=\"291\" srcset=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/2.png 661w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/2-300x132.png 300w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/2-150x66.png 150w\" sizes=\"auto, (max-width: 661px) 100vw, 661px\" \/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-18569\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/3.png\" alt=\"\" width=\"661\" height=\"290\" srcset=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/3.png 661w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/3-300x132.png 300w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2025\/12\/3-150x66.png 150w\" sizes=\"auto, (max-width: 661px) 100vw, 661px\" \/><\/p>\n<p style=\"text-align: right;\"><strong>Ph\u1ea1m Kh\u1eafc Tuy\u00ean, Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed Vi\u1ec7t Nam <\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>\u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u1ee9 n\u0103m, ng\u00e0y 30 th\u00e1ng 10 n\u0103m 2025 &nbsp; Ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a Vi\u1ec7n s\u0129 th\u00f4ng t\u1ea5n Vi\u1ec7n H\u00e0n l\u00e2m khoa h\u1ecdc Nga (RAS) A. P. Serebrov \u0111ang ti\u1ebfn h\u00e0nh c\u00e1c c\u00f4ng vi\u1ec7c \u0111\u1ec3 ph\u00e1t tri\u1ec3n ngu\u1ed3n neutron si\u00eau l\u1ea1nh (ultracold neutron source-UCN) d\u1ef1a tr\u00ean heli si\u00eau l\u1ecfng cho l\u00f2 ph\u1ea3n \u1ee9ng PIK t\u1ea1i Vi\u1ec7n [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":18570,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-18566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-quoc-te"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/18566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=18566"}],"version-history":[{"count":2,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/18566\/revisions"}],"predecessor-version":[{"id":18573,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/18566\/revisions\/18573"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media\/18570"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=18566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=18566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=18566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}