{"id":"S86001165","label":"Pion-pion interactions","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86001165","normalized_label":"pion-pion interactions","broader":["http://id.loc.gov/authorities/subjects/sh85093069"],"aliases":["Interactions, Pion-pion","Pion interactions"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86001165","provider":"lcsh","revision":"a0c4c598e5a0d0a8","taxonomy_revision":"f050b5d4780b1289","title":"Pion-pion interactions","url":"/topics/S86001165","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4649975428533338624","address_version":"morton4x16-v1","coordinates":[0,20,33048,13312],"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}