{"id":"S94009497","label":"Proton synchrotron colliders","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh94009497","normalized_label":"proton synchrotron colliders","broader":["http://id.loc.gov/authorities/subjects/sh85107785"],"aliases":["PS colliders","PSC (Colliders)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh94009497","provider":"lcsh","revision":"3216891804cb2da6","taxonomy_revision":"f050b5d4780b1289","title":"Proton synchrotron colliders","url":"/topics/S94009497","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"918813507145826912","address_version":"morton4x16-v1","coordinates":[0,22,27106,25600],"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}