{"id":"S85107784","label":"Proton and antiproton annihilation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85107784","normalized_label":"proton and antiproton annihilation","broader":["http://id.loc.gov/authorities/subjects/sh85005354","http://id.loc.gov/authorities/subjects/sh85098374","http://id.loc.gov/authorities/subjects/sh85101398"],"aliases":["Annihilation, Proton and antiproton","Antiproton and proton annihilation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85107784","provider":"lcsh","revision":"06b89871c0223724","taxonomy_revision":"f050b5d4780b1289","title":"Proton and antiproton annihilation","url":"/topics/S85107784","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324329817866895876","address_version":"morton4x16-v1","coordinates":[0,20,19089,8192],"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}