{"id":8303,"date":"2021-11-05T14:41:02","date_gmt":"2021-11-05T07:41:02","guid":{"rendered":"https:\/\/vinatom.gov.vn\/?p=8303"},"modified":"2021-11-05T14:41:02","modified_gmt":"2021-11-05T07:41:02","slug":"ket-qua-cong-bo-moi-ve-nghien-cuu-cau-truc-cac-hat-nhan-giau-notron-4749-cl","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/ket-qua-cong-bo-moi-ve-nghien-cuu-cau-truc-cac-hat-nhan-giau-notron-4749-cl\/","title":{"rendered":"K\u1ebft qu\u1ea3 c\u00f4ng b\u1ed1 m\u1edbi v\u1ec1 nghi\u00ean c\u1ee9u c\u1ea5u tr\u00fac c\u00e1c h\u1ea1t nh\u00e2n gi\u00e0u n\u01a1tron 47,49-Cl"},"content":{"rendered":"<p style=\"text-align: justify;\">T\u1ea1p ch\u00ed Physical Review C v\u1eeba cho \u0111\u0103ng t\u1ea3i c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a <sup>47,49<\/sup>Cl th\u00f4ng qua ghi nh\u1eadn n\u0103ng ph\u1ed5 k\u00edch th\u00edch c\u1ee7a ch\u00fang. C\u00f4ng tr\u00ecnh n\u00e0y l\u00e0 th\u00e0nh qu\u1ea3 h\u1ee3p t\u00e1c nghi\u00ean c\u1ee9u gi\u1eefa nh\u00f3m nghi\u00ean c\u1ee9u thu\u1ed9c Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt h\u1ea1t nh\u00e2n (KH&amp;KTHN) v\u00e0 c\u00e1c nh\u00f3m nghi\u00ean c\u1ee9u qu\u1ed1c t\u1ebf \u0111\u1ebfn t\u1eeb nhi\u1ec1u qu\u1ed1c gia trong khu\u00f4n kh\u1ed5 d\u1ef1 \u00e1n &#8220;Shell Evolution And Search for Two-plus energies At RIBF&#8221; (SEASTAR), t\u1ea1i vi\u1ec7n Nghi\u00ean c\u1ee9u Ho\u00e1 l\u00fd RIKEN, Nh\u1eadt B\u1ea3n.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">K\u1ebft qu\u1ea3 n\u1ed5i b\u1eadt c\u1ee7a c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u l\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean c\u00f4ng b\u1ed1 ghi nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ed5 n\u0103ng l\u01b0\u1ee3ng k\u00edch th\u00edch c\u1ee7a <sup>47,49<\/sup>Cl. M\u1ed9t \u00fd ngh\u0129a quan tr\u1ecdng r\u00fat ra li\u00ean quan \u0111\u1ebfn k\u1ebft qu\u1ea3 c\u1ee7a <sup>49<\/sup>Cl, h\u1ea1t nh\u00e2n c\u00f3 s\u1ed1 n\u01a1tron N=32 v\u00e0 s\u1ed1 proton Z=17. Tr\u01b0\u1edbc \u0111\u00f3, s\u1ed1 N=32 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 s\u1ed1 magic m\u1edbi trong \u0111\u1ed3ng v\u1ecb <sup>52<\/sup>Ca v\u1edbi Z=20, ho\u00e0n to\u00e0n tr\u00e1i v\u1edbi ti\u00ean \u0111o\u00e1n c\u1ee7a M\u1eabu v\u1ecf. C\u00e2u h\u1ecfi \u0111\u1eb7t ra l\u00e0 li\u1ec7u r\u1eb1ng t\u00ednh magic N=32 c\u00f2n \u0111\u00fang \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed3ng v\u1ecb kh\u00e1c hay kh\u00f4ng? Th\u00f4ng qua ph\u00e2n t\u00edch l\u00fd thuy\u1ebft, k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra th\u1ee9 t\u1ef1 c\u1ee7a l\u1edbp v\u1ecf proton trong h\u1ea1t nh\u00e2n <sup>49<\/sup>Cl \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i tu\u00e2n theo ti\u00ean \u0111o\u00e1n c\u1ee7a M\u1eabu v\u1ecf, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 trong \u0111\u1ed3ng v\u1ecb <sup>51<\/sup>K (N=32 v\u00e0 Z=19). \u0110i\u1ec1u n\u00e0y m\u1ed9t l\u1ea7n n\u1eefa ch\u1ec9 ra r\u1eb1ng, c\u1ea5u tr\u00fac c\u1ee7a h\u1ea1t nh\u00e2n b\u1ecb quy \u0111\u1ecbnh b\u1edfi m\u1ed1i li\u00ean quan gi\u1eefa l\u1edbp v\u1ecf proton v\u00e0 n\u01a1tron. V\u1ec1 m\u1eb7t c\u00f4ng ngh\u1ec7, \u0111\u1ec3 c\u00f3 th\u1ec3 t\u1ea1o ra ch\u00f9m h\u1ea1t <sup>47,49<\/sup>Cl c\u00f3 th\u1eddi gian s\u1ed1ng r\u1ea5t ng\u1eafn, th\u00ed nghi\u1ec7m ph\u1ea3i k\u1ebft h\u1ee3p c\u00e1c thi\u1ebft b\u1ecb nghi\u00ean c\u1ee9u ti\u00ean ti\u1ebfn v\u00e0 hi\u1ec7n \u0111\u1ea1i nh\u1ea5t trong l\u0129nh v\u1ef1c h\u1ea1t nh\u00e2n hi\u1ec7n nay, bao g\u1ed3m h\u1ec7 m\u00e1y gia t\u1ed1c BigRIBF, SAMURAI (t\u1ea1i Vi\u1ec7n RIKEN), bia ho\u1ea1t MINOS (c\u1ee7a Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng Nguy\u00ean t\u1eed Ph\u00e1p) v\u00e0 detector DALI2+ (t\u1ea1i RIKEN v\u00e0 tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc H\u1ed3ng K\u00f4ng).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">M\u1eb7c d\u00f9 c\u00e1c th\u00ed nghi\u1ec7m SEASTAR \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb n\u0103m 2017 tuy nhi\u00ean cho \u0111\u1ebfn nay qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch s\u1ed1 li\u1ec7u (do nh\u00f3m nghi\u00ean c\u1ee9u thu\u1ed9c Vi\u1ec7n KH&amp;KTHN \u0111\u1ea3m nh\u1eadn) m\u1edbi \u0111\u01b0\u1ee3c ho\u00e0n t\u1ea5t. \u0110\u1ec3 c\u00f3 th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh k\u1ebft qu\u1ea3, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ebfn 5 m\u00f4 h\u00ecnh l\u00fd thuy\u1ebft hi\u1ec7n \u0111\u1ea1i nh\u1ea5t cho vi\u1ec7c so s\u00e1nh v\u00e0 gi\u1ea3i th\u00edch s\u1ed1 li\u1ec7u \u0111o.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">C\u00f4ng tr\u00ecnh c\u00f3 s\u1ef1 \u0111\u00f3ng g\u00f3p c\u1ee7a 86 \u0111\u1ed3ng t\u00e1c gi\u1ea3 \u0111\u1ebfn t\u1eeb 39 vi\u1ec7n nghi\u00ean c\u1ee9u tr\u00ean th\u1ebf gi\u1edbi. Trong s\u1ed1 c\u00e1c t\u00e1c gi\u1ea3 ch\u00ednh c\u00f3 3 nh\u00e0 nghi\u00ean c\u1ee9u c\u1ee7a Vi\u1ec7t Nam: ThS. B\u00f9i Duy Linh v\u00e0 TS. L\u00ea Xu\u00e2n Chung \u0111\u1ebfn t\u1eeb Vi\u1ec7n KH&amp;KTHN v\u00e0 TS. Nguy\u1ec5n Tr\u00ed To\u00e0n Ph\u00fac \u0111\u1ebfn t\u1eeb Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Khoa h\u1ecdc T\u1ef1 nhi\u00ean, \u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia H\u1ed3 Ch\u00ed Minh. K\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c \u0111\u00e3 minh ch\u1ee9ng cho c\u00e1ch ti\u1ebfp c\u1eadn hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u00eda Vi\u1ec7t Nam th\u00f4ng qua h\u1ee3p t\u00e1c qu\u1ed1c t\u1ebf trong l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u c\u00e1c h\u1ea1t nh\u00e2n kh\u00f4ng b\u1ec1n, m\u1ed9t l\u0129nh v\u1ef1c \u0111\u00f2i h\u1ecfi \u0111\u1ea7u t\u01b0 l\u1edbn c\u00f9ng thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i. \u0110\u00e2y l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u \u0111\u00e1ng m\u1eebng v\u1ec1 ph\u00eda nh\u00f3m nghi\u00ean c\u1ee9u t\u1ea1i Vi\u1ec7t Nam khi \u0111\u00e3 tham gia, \u0111\u00f3ng g\u00f3p v\u00e0o c\u1ea3 ph\u1ea7n nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m v\u00e0 l\u00fd thuy\u1ebft c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Chi ti\u1ebft k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u t\u1ea1i:<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/journals.aps.org\/prc\/abstract\/10.1103\/PhysRevC.104.044331\">https:\/\/journals.aps.org\/prc\/abstract\/10.1103\/PhysRevC.104.044331<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\"><strong>B\u00f9i Duy Linh v\u00e0 L\u00ea Xu\u00e2n Chung<\/strong><\/p>\n<p style=\"text-align: right;\"><strong>Trung t\u00e2m V\u1eadt l\u00fd h\u1ea1t nh\u00e2n, Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt h\u1ea1t nh\u00e2n<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea1p ch\u00ed Physical Review C v\u1eeba cho \u0111\u0103ng t\u1ea3i c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a 47,49Cl th\u00f4ng qua ghi nh\u1eadn n\u0103ng ph\u1ed5 k\u00edch th\u00edch c\u1ee7a ch\u00fang. C\u00f4ng tr\u00ecnh n\u00e0y l\u00e0 th\u00e0nh qu\u1ea3 h\u1ee3p t\u00e1c nghi\u00ean c\u1ee9u gi\u1eefa nh\u00f3m nghi\u00ean c\u1ee9u thu\u1ed9c Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt h\u1ea1t nh\u00e2n (KH&amp;KTHN) v\u00e0 c\u00e1c nh\u00f3m [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8304,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-8303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-hoat-dong-cua-vien"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/8303","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=8303"}],"version-history":[{"count":0,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/8303\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=8303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=8303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=8303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}