{"id":182793,"date":"2024-02-16T01:23:20","date_gmt":"2024-02-16T07:23:20","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/02\/how-small-is-a-proton-smaller-than-anyone-thought"},"modified":"2024-02-16T01:23:20","modified_gmt":"2024-02-16T07:23:20","slug":"how-small-is-a-proton-smaller-than-anyone-thought","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/02\/how-small-is-a-proton-smaller-than-anyone-thought","title":{"rendered":"How Small is a Proton? Smaller Than Anyone Thought"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/how-small-is-a-proton-smaller-than-anyone-thought2.jpg\"><\/a><\/p>\n<p>The proton, that little positively-charged nugget inside an atom, is fractions of a quadrillionth of a meter smaller than anyone thought, according to new research appearing Nov. 7 in Nature.<\/p>\n<p>In work they hope solves the contentious \u201cproton radius puzzle\u201d that has been roiling some corners of physics in the last decade, a team of scientists including Duke physicist Haiyan Gao have addressed the question of the proton\u2019s radius in a new way and discovered that it is 0.831 femtometers across, which is about 4 percent smaller than the best previous measurement using electrons from accelerators. (<a href=\"https:\/\/www.nature.com\/articles\/s41586-019-1721-2\">Read the paper!<\/a>) <\/p>\n<p>A single femtometer is 0.000000000000039370 inches imperial, if that helps, or think of it as a millionth part of a billionth part of a meter. And the new radius is just 80 percent of that.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The proton, that little positively-charged nugget inside an atom, is fractions of a quadrillionth of a meter smaller than anyone thought, according to new research appearing Nov. 7 in Nature. In work they hope solves the contentious \u201cproton radius puzzle\u201d that has been roiling some corners of physics in the last decade, a team of [\u2026]<\/p>\n","protected":false},"author":534,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"class_list":["post-182793","post","type-post","status-publish","format-standard","hentry","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/182793","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\/534"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=182793"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/182793\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=182793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=182793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=182793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}