{"id":98820,"date":"2019-11-20T05:22:16","date_gmt":"2019-11-20T13:22:16","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2019\/11\/the-strong-cp-problem-is-the-most-underrated-puzzle-in-all-of-physics"},"modified":"2019-11-20T05:22:16","modified_gmt":"2019-11-20T13:22:16","slug":"the-strong-cp-problem-is-the-most-underrated-puzzle-in-all-of-physics","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2019\/11\/the-strong-cp-problem-is-the-most-underrated-puzzle-in-all-of-physics","title":{"rendered":"The \u2018Strong CP Problem\u2019 Is The Most Underrated Puzzle In All Of Physics"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/the-strong-cp-problem-is-the-most-underrated-puzzle-in-all-of-physics2.jpg\"><\/a><\/p>\n<p>At almost every frontier in theoretical physics, scientists are struggling to explain what we observe. We don\u2019t know what composes dark matter; we don\u2019t know what\u2019s responsible for dark energy; we don\u2019t know how matter won out over antimatter in the early stages of the Universe. But the strong CP problem is different: it\u2019s a puzzle not because of something we observe, but because of the observed absence of something that\u2019s so thoroughly expected.<\/p>\n<p>Why, in the strong interactions, do particles that decay match exactly the decays of antiparticles in a mirror-image configuration? Why does the neutron not have an electric dipole moment? Many alternative solutions to a new symmetry, such as one of the quarks being massless, are now ruled out. Does nature just exist this way, in defiance of our expectations?<\/p>\n<p>Through the right developments in theoretical and experimental physics, and with a little help from nature, we just might find out.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>At almost every frontier in theoretical physics, scientists are struggling to explain what we observe. We don\u2019t know what composes dark matter; we don\u2019t know what\u2019s responsible for dark energy; we don\u2019t know how matter won out over antimatter in the early stages of the Universe. But the strong CP problem is different: it\u2019s a [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,48],"tags":[],"class_list":["post-98820","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/98820","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\/396"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=98820"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/98820\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=98820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=98820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=98820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}