{"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:story:f8840f9c-d398-4e33-aa9e-8b0c5982910d", "type": "composite", "version": "1", "versioncreated": "2026-11-10T02:45:11.347520Z", "firstcreated": "2026-11-10T02:45:11.347520Z", "pubstatus": "usable", "language": "en", "headline": "CERN Reports Evidence of a One-in-10-Billion Particle Decay After 40-Year Search", "description_text": "Scientists at CERN say they have found evidence of an extremely rare particle decay involving a B-meson, a search that stretched over four decades and could hint at hidden particles and forces.", "associations": {"item-0": {"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:item:6e1549ae-1e6e-4abc-92ac-e1675f3ee613", "type": "text", "profile": "standard", "version": "1", "versioncreated": "2026-11-10T02:45:38.379082Z", "firstcreated": "2026-11-10T02:45:11.347520Z", "pubstatus": "usable", "urgency": 5, "language": "en", "headline": "CERN Reports Evidence of a One-in-10-Billion Particle Decay After 40-Year Search", "byline": "Jenna Mercer", "located": "United States", "copyrightholder": "Haydamax OÜ", "copyrightnotice": "Wireva / Science Official", "usageterms": "Subscribers may republish this item in full, including translation and trimming, with the credit “Wireva / Science Official”. Set rel=canonical to https://scienceofficial.org/science/cern-reports-evidence-of-a-one-in-10-billion-particle-decay-after-40-year-search/ when publishing on the web.", "description_text": "Scientists at CERN say they have found evidence of an extremely rare particle decay involving a B-meson, a search that stretched over four decades and could hint at hidden particles and forces.", "altids": {"mosaic": "6e1549ae-1e6e-4abc-92ac-e1675f3ee613", "story": "f8840f9c-d398-4e33-aa9e-8b0c5982910d", "slug": "cern-reports-evidence-of-a-one-in-10-billion-particle-decay-after-40-year-search"}, "subject": [{"name": "Science", "rel": "direct", "literal": "science", "code": "medtop:13000000", "scheme": "http://cv.iptc.org/newscodes/mediatopic/", "uri": "http://cv.iptc.org/newscodes/mediatopic/13000000"}], "place": [{"name": "United States", "literal": "us", "code": "US", "scheme": "http://cv.iptc.org/newscodes/countrycodes/"}], "person": [], "organisation": [], "genre": [{"name": "Standard story", "literal": "standard"}], "service": [{"name": "Wireva", "literal": "wireva"}], "associations": {"featuremedia": {"uri": "urn:newsml:wireva.mib.news:media:67c5ac1e-55e6-4961-b3f9-1353352435a0", "type": "picture", "version": "1", "pubstatus": "usable", "headline": "After 40 years, CERN finds evidence of a one-in-10-billion particle decay", "description_text": "CERN Reports Evidence of a One-in-10-Billion Particle Decay After 40-Year Search", "copyrightholder": "commons.wikimedia.org", "copyrightnotice": "European Organization for Nuclear Research Organisation européenne pour la recherche nucléaire", "usageterms": "Public domain work (government or dedicated). Credit appreciated, not required.", "altids": {"wireva": "67c5ac1e-55e6-4961-b3f9-1353352435a0"}, "extra": {"wireva:delivery_mode": "file", "wireva:rights": {"licence": "Public domain", "licence_url": "https://creativecommons.org/publicdomain/mark/1.0/", "licence_raw": "Public domain", "licence_verified_at": "2026-11-10T02:45:38.454296Z", "attribution_required": false, "attribution_text": "European Organization for Nuclear Research Organisation européenne pour la recherche nucléaire", "redistribution_allowed": true, "commercial_use_allowed": true, "modifications_allowed": true, "share_alike_required": false}, "wireva:provenance": {"creator": "", "source_name": "commons.wikimedia.org", "source_url": "https://commons.wikimedia.org/wiki/File:CERN_logo_badge.svg", "source_page_url": "https://commons.wikimedia.org/wiki/File:CERN_logo_badge.svg", "our_page_url": "https://scienceofficial.org/science/cern-reports-evidence-of-a-one-in-10-billion-particle-decay-after-40-year-search/"}, "wireva:role": "lead"}, "renditions": {"original": {"href": "https://nbg1.your-objectstorage.com/ckln/image-assets/c25090d1418b25269abe1b008a9c4a47dd0d3761ba43e045d065d589304f2c74.jpg", "mimetype": "image/jpeg", "width": 900, "height": 900, "sizeinbytes": 65832}, "source": {"href": "https://commons.wikimedia.org/wiki/File:CERN_logo_badge.svg", "mimetype": "image/jpeg"}}}}, "extra": {"wireva:story": {"uri": "urn:newsml:wireva.mib.news:story:f8840f9c-d398-4e33-aa9e-8b0c5982910d", "slug": "cern-reports-evidence-of-a-one-in-10-billion-particle-decay-after-40-year-search-20261110", "status": "developing", "languages": ["en"], "item_count": 1, "is_breaking": false}, "wireva:rights": {"class": "agency_original", "redistribution_allowed": false, "commercial_use_allowed": false, "modifications_allowed": true, "share_alike_required": false, "attribution_required": true, "attribution_text": "Wireva / Science Official", "canonical_required": true, "canonical_url": "https://scienceofficial.org/science/cern-reports-evidence-of-a-one-in-10-billion-particle-decay-after-40-year-search/", "linkback_required": true, "licence": "", "licence_url": "", "licensor": "Haydamax OÜ", "valid_until": null, "excerpt_max_chars": 0, "decided_by_rule": "agency_original_borderline", "needs_review": true}, "wireva:provenance": {"production_method": "automated", "ai_stages": {"editing": true, "drafting": true, "headline": true, "discovery": true, "classification": true, "image_selection": true, "source_collection": true, "cross_source_comparison": true}, "model": "", "human_reviewed": false, "reviewed_by": "", "reviewed_at": null, "editorial_control": true, "editorial_responsibility": "Haydamax OÜ (Wireva)", "factchecked": false, "verification_status": "multi_source", "independent_confirmations": 1, "official_source_used": false, "used_press_release": false, "public_interest": false, "ai_disclosure_required": false, "ai_disclosure_text": "", "independence_check": {"status": "borderline", "score": 0.526, "checked_at": "2026-11-10T02:45:38.445886Z"}, "sources": [{"url": "https://www.sciencedaily.com/releases/2026/11/261108233047.htm", "title": "LHCb finds evidence for a one-in-10-billion B-meson decay", "publisher": "sciencedaily.com", "type": "rss", "role": "primary", "official": false, "retrieved_at": "2026-11-10T02:45:38.404877Z", "published_at": "2026-11-09T10:07:44Z"}, {"url": "https://physicsworld.com/a/lhcb-finds-evidence-for-a-one-in-10-billion-b-meson-decay/", "title": "", "publisher": "physicsworld.com", "type": "rss", "role": "supporting", "official": false, "retrieved_at": "2026-11-10T02:45:38.394286Z", "published_at": null}]}, "wireva:publication": {"name": "Science Official", "domain": "scienceofficial.org", "country": "US", "url": "https://scienceofficial.org/science/cern-reports-evidence-of-a-one-in-10-billion-particle-decay-after-40-year-search/"}, "wireva:links": {"self": "https://wireva.mib.news/api/v1/items/6e1549ae-1e6e-4abc-92ac-e1675f3ee613", "html": "https://wireva.mib.news/item/6e1549ae-1e6e-4abc-92ac-e1675f3ee613/cern-reports-evidence-of-a-one-in-10-billion-particle-decay-after-40-year-search/", "story": "https://wireva.mib.news/story/cern-reports-evidence-of-a-one-in-10-billion-particle-decay-after-40-year-search-20261110/"}, "wireva:metrics": {"word_count": 233, "char_count": 1457, "reading_time_seconds": 104}}}}, "extra": {"wireva:languages": ["en"], "wireva:status": "developing", "wireva:item_count": 1}}