{"id":224346,"date":"2025-10-31T22:09:11","date_gmt":"2025-11-01T03:09:11","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/10\/calorimetric-experiment-achieves-tightest-bound-on-electron-neutrino-mass"},"modified":"2025-10-31T22:09:11","modified_gmt":"2025-11-01T03:09:11","slug":"calorimetric-experiment-achieves-tightest-bound-on-electron-neutrino-mass","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/10\/calorimetric-experiment-achieves-tightest-bound-on-electron-neutrino-mass","title":{"rendered":"Calorimetric experiment achieves tightest bound on electron neutrino mass"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/calorimetric-experiment-achieves-tightest-bound-on-electron-neutrino-mass.jpg\"><\/a><\/p>\n<p>In a <a href=\"https:\/\/doi.org\/10.1103\/s9vl-7n24\" target=\"_blank\"><i>Physical Review Letters<\/i> study<\/a>, the HOLMES collaboration has achieved the most stringent upper bound on the effective electron neutrino mass ever obtained using a calorimetric approach, setting a limit of less than 27 eV\/c\u00b2 at 90% credibility.<\/p>\n<p>This result validates a decades-old experimental vision and demonstrates the scalability needed for next-generation neutrino mass experiments.<\/p>\n<p>While oscillation experiments have measured the differences between neutrino mass states, the actual individual mass values\u2014the absolute neutrino mass scale\u2014remain unknown. Pinning down these values would help complete our understanding of the Standard Model of particle physics.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a Physical Review Letters study, the HOLMES collaboration has achieved the most stringent upper bound on the effective electron neutrino mass ever obtained using a calorimetric approach, setting a limit of less than 27 eV\/c\u00b2 at 90% credibility. This result validates a decades-old experimental vision and demonstrates the scalability needed for next-generation neutrino mass [\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-224346","post","type-post","status-publish","format-standard","hentry","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224346","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=224346"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224346\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=224346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=224346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=224346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}