{"id":1802,"date":"2026-09-05T05:59:00","date_gmt":"2026-09-04T20:59:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-05-lz-single-high-recoil-event-vi\/"},"modified":"2026-09-05T05:59:00","modified_gmt":"2026-09-04T20:59:00","slug":"2026-09-05-lz-single-high-recoil-event-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-05-lz-single-high-recoil-event-vi\/","title":{"rendered":"M\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f3 gi\u1ea3i th\u00edch \u1edf \u0111\u1ed9 s\u00e2u 1,5 km, nh\u01b0ng ch\u01b0a ph\u1ea3i ph\u00e1t hi\u1ec7n v\u1eadt ch\u1ea5t t\u1ed1i"},"content":{"rendered":"<p><strong>2026-09-05 05:59 KST<\/strong><\/p>\n<p>M\u00e1y d\u00f2 LUX-ZEPLIN t\u1ea1i Nam Dakota ghi nh\u1eadn m\u1ed9t t\u01b0\u01a1ng t\u00e1c n\u0103ng l\u01b0\u1ee3ng cao kh\u00f3 gi\u1ea3i th\u00edch b\u1eb1ng n\u1ec1n \u0111\u00e3 bi\u1ebft. Trong \u0111\u1ed9 ph\u01a1i nhi\u1ec5m 2,84 t\u1ea5n-n\u0103m, s\u1ef1 ki\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea3n l\u1ef1c h\u1ea1t nh\u00e2n 248\u00b123 keV th\u1ed1ng k\u00ea v\u00e0 \u00b123 keV h\u1ec7 th\u1ed1ng, \u0111\u1ea1t 2,6 sigma to\u00e0n c\u1ee5c.<\/p>\n<p>\u0110\u00e2y ch\u01b0a ph\u1ea3i ph\u00e1t hi\u1ec7n v\u1eadt ch\u1ea5t t\u1ed1i. Ch\u1ec9 c\u00f3 m\u1ed9t s\u1ef1 ki\u1ec7n v\u00e0 2,6 sigma th\u1ea5p xa chu\u1ea9n n\u0103m sigma c\u1ee7a v\u1eadt l\u00fd h\u1ea1t, n\u00ean c\u1ea7n th\u00eam d\u1eef li\u1ec7u \u0111\u1ec3 ph\u00e2n bi\u1ec7t n\u1ec1n hi\u1ebfm v\u1edbi v\u1eadt l\u00fd m\u1edbi.<\/p>\n<h2>LZ \u0111o \u0111i\u1ec1u g\u00ec?<\/h2>\n<p>LZ \u0111\u1ecdc \u00e1nh s\u00e1ng v\u00e0 electron sinh ra khi h\u1ea1t nh\u00e2n gi\u1eadt l\u00f9i trong kho\u1ea3ng b\u1ea3y t\u1ea5n xenon l\u1ecfng. Ph\u00e2n t\u00edch m\u1edf c\u1eeda s\u1ed5 \u0111\u1ebfn g\u1ea7n 270 keV v\u00e0 t\u00ecm th\u1ea5y m\u1ed9t s\u1ef1 ki\u1ec7n g\u1ea7n 248 keV.<\/p>\n<h2>2,6 sigma c\u00f3 ngh\u0129a g\u00ec?<\/h2>\n<p>Sau khi t\u00ednh \u0111\u1ebfn nhi\u1ec1u m\u00f4 h\u00ecnh \u0111\u00e3 th\u1eed, nh\u00f3m \u01b0\u1edbc t\u00ednh x\u00e1c su\u1ea5t n\u1ec1n t\u1ea1o ra \u0111\u1ed9 l\u1ec7ch n\u00e0y kho\u1ea3ng 0,5%. \u0110\u00e1ng ch\u00fa \u00fd nh\u01b0ng ch\u01b0a \u0111\u1ee7 k\u1ebft lu\u1eadn.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/onepress.co.kr\/wp-content\/uploads\/2026\/09\/lz-single-high-recoil-event-vi.png\" alt=\"M\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f3 gi\u1ea3i th\u00edch \u1edf \u0111\u1ed9 s\u00e2u 1,5 km, nh\u01b0ng ch\u01b0a ph\u1ea3i ph\u00e1t hi\u1ec7n v\u1eadt ch\u1ea5t t\u1ed1i\" loading=\"lazy\" \/><figcaption class=\"op-briefing-image-caption\">\u0110\u00e2y l\u00e0 h\u00ecnh \u1ea3nh t\u1ea1o b\u1eb1ng AI \u0111\u1ec3 gi\u1ea3i th\u00edch ch\u1ee7 \u0111\u1ec1, kh\u00f4ng ph\u1ea3i \u1ea3nh ch\u1ee5p s\u1ef1 ki\u1ec7n, quan s\u00e1t hay th\u00ed nghi\u1ec7m th\u1ef1c t\u1ebf.<\/figcaption><\/figure>\n<h2>V\u00ec sao m\u1ed9t s\u1ef1 ki\u1ec7n v\u1eabn thu h\u00fat ch\u00fa \u00fd?<\/h2>\n<p>N\u00f3 n\u1eb1m \u1edf v\u00f9ng d\u1ef1 ki\u1ebfn c\u00f3 \u00edt n\u1ec1n ph\u00f3ng x\u1ea1 v\u00e0 neutron, \u0111\u1ed3ng th\u1eddi gi\u1ed1ng ph\u1ea3n l\u1ef1c h\u1ea1t nh\u00e2n. M\u1ed9t m\u00f4 h\u00ecnh l\u00fd thuy\u1ebft ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ee9ng minh v\u1eadt ch\u1ea5t t\u1ed1i l\u00e0 nguy\u00ean nh\u00e2n.<\/p>\n<h2>\u0110i\u1ec1u g\u00ec ch\u01b0a bi\u1ebft?<\/h2>\n<p>C\u00f3 th\u1ec3 l\u00e0 hi\u1ec7u \u1ee9ng m\u00e1y d\u00f2 ch\u01b0a m\u00f4 h\u00ecnh h\u00f3a ho\u1eb7c n\u1ec1n c\u1ef1c hi\u1ebfm. M\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f4ng th\u1ec3 x\u00e1c nh\u1eadn ph\u1ed5 n\u0103ng l\u01b0\u1ee3ng, s\u1ef1 l\u1eb7p l\u1ea1i hay bi\u1ebfn thi\u00ean theo m\u00f9a.<\/p>\n<h2>B\u1eb1ng ch\u1ee9ng ti\u1ebfp theo l\u00e0 g\u00ec?<\/h2>\n<p>C\u1ea7n b\u00e0i b\u00e1o b\u00ecnh duy\u1ec7t v\u00e0 th\u00eam th\u1eddi gian \u0111o c\u1ee7a LZ. Ph\u00e2n t\u00edch n\u0103ng l\u01b0\u1ee3ng cao t\u1eeb CRESST, PandaX v\u00e0 m\u00e1y d\u00f2 xenon t\u01b0\u01a1ng lai s\u1ebd ki\u1ec3m tra \u0111\u1ed9c l\u1eadp.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c v\u00e0 ki\u1ec3m ch\u1ee9ng \u0111\u1ed9c l\u1eadp<\/h2>\n<p><a href=\"https:\/\/lz.lbl.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\">LZ \ud611\uc5c5\ub2e8 \uacf5\uc2dd \uacb0\uacfc<\/a><\/p>\n<p><a href=\"https:\/\/content.govdelivery.com\/accounts\/USDOEOS\/bulletins\/427e63e\" target=\"_blank\" rel=\"noopener noreferrer\">\ubbf8 \uc5d0\ub108\uc9c0\ubd80 \uacfc\ud559\uad6d \uc124\uba85<\/a><\/p>\n<p><a href=\"https:\/\/lz.ac.uk\/\" target=\"_blank\" rel=\"noopener noreferrer\">LZ \uc601\uad6d \ud611\uc5c5\ub2e8 \uacb0\uacfc \uacf5\uc9c0<\/a><\/p>\n<p><a href=\"https:\/\/arxiv.org\/abs\/2609.04181\" target=\"_blank\" rel=\"noopener noreferrer\">\ub3c5\ub9bd \uc774\ub860 \ubd84\uc11d \uc0ac\uc804\ub17c\ubb38<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>LUX-ZEPLIN ghi nh\u1eadn m\u1ed9t s\u1ef1 ki\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea3n l\u1ef1c h\u1ea1t nh\u00e2n 248 keV. M\u1ee9c \u00fd ngh\u0129a to\u00e0n c\u1ee5c 2,6 sigma c\u00f2n xa chu\u1ea9n c\u00f4ng b\u1ed1 ph\u00e1t hi\u1ec7n.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-1802","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/1802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=1802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}