{"id":"S94009464","label":"B mesons","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh94009464","normalized_label":"b mesons","broader":["http://id.loc.gov/authorities/subjects/sh85083949"],"aliases":["Beauty mesons","Bottom mesons"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh94009464","provider":"lcsh","revision":"23d16b5cacedd965","taxonomy_revision":"f050b5d4780b1289","title":"B mesons","url":"/topics/S94009464","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10142176747907580452","address_version":"morton4x16-v1","coordinates":[0,22,27105,57344],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}