{"id":201998,"date":"2024-12-20T04:32:46","date_gmt":"2024-12-20T10:32:46","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/12\/most-precise-measurement-of-electrically-neutral-beauty-meson-lifetime-achieved"},"modified":"2024-12-20T04:32:46","modified_gmt":"2024-12-20T10:32:46","slug":"most-precise-measurement-of-electrically-neutral-beauty-meson-lifetime-achieved","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/12\/most-precise-measurement-of-electrically-neutral-beauty-meson-lifetime-achieved","title":{"rendered":"Most precise measurement of electrically neutral beauty meson lifetime achieved"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/most-precise-measurement-of-electrically-neutral-beauty-meson-lifetime-achieved3.jpg\"><\/a><\/p>\n<p>The ATLAS collaboration at the Large Hadron Collider (LHC) has released a new high-precision measurement of the lifetime of the electrically neutral beauty (B<sup>0<\/sup>) meson\u2014a hadron composed of a bottom antiquark and a down quark.<\/p>\n<p>Beauty (B) mesons are made up of two quarks, one of which is a bottom quark. Over the past decades, by studying B mesons, physicists have been able to examine rare and precisely predicted phenomena to gain insights into interactions mediated by the weak force and into the dynamics of heavy-quark bound states. The precise measurement of the B<sup>0<\/sup> meson lifetime\u2014the average time it exists before decaying into other particles\u2014is of critical importance in this context.<\/p>\n<p>The new ATLAS study of the B<sup>0<\/sup> meson looked for the particle\u2019s decay into an excited neutral kaon (K<sup>*0<\/sup>) and a J\/\u03c8 meson. The J\/\u03c8 meson subsequently decays into a pair of muons while the K<sup>*0<\/sup> meson is studied through its decay into a charged pion and a charged kaon. The analysis is based on <a href=\"https:\/\/phys.org\/tags\/proton\/\" rel=\"tag\" class=\"\">proton <\/a>\u2013proton collision data collected by the ATLAS detector during Run 2 of the LHC (2015\u20132018), amounting to an impressive data set of 140 inverse femtobarns (1 inverse femtobarn corresponds to approximately 100 trillion proton\u2013proton collisions).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The ATLAS collaboration at the Large Hadron Collider (LHC) has released a new high-precision measurement of the lifetime of the electrically neutral beauty (B0) meson\u2014a hadron composed of a bottom antiquark and a down quark. Beauty (B) mesons are made up of two quarks, one of which is a bottom quark. Over the past decades, [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"class_list":["post-201998","post","type-post","status-publish","format-standard","hentry","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/201998","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=201998"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/201998\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=201998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=201998"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=201998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}