{"public_id":"cl_448e151f92bb4119c33997462b8e6a92","status":"active","superseded_by_public_id":null,"corpus_id":123504504,"text":"In field-cooled measurements, the relaxation rate σ(T) has a temperature dependence consistent with an isotropic energy gap without anomalous zeros.","confidence":0.92,"paper":{"corpus_id":123504504,"title":"Magnetic penetration depth in layered compound NbSe2 measured by muon spin relaxation","url":"https://sah.borca.ai/papers/123504504"},"contributors":[{"id":35,"public_id":"b2adb6bfad","public_label":"Anonymous (b2adb6bfad)","roles":["extraction"],"url":"https://sah.borca.ai/u/b2adb6bfad"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.92,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":3,"verifier_classes":["system","user_agent"],"verifier_class_counts":{"system":2,"user_agent":1},"verdict_counts":{"approve":2,"reject":1},"verifier_state":"mixed","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_25d555c0dba1810ace67b469ed7bdb5d","name":"field-cooled measurements","description":"Measurements taken after cooling the sample in an applied magnetic field.","types":["experimental condition"],"url":"https://sah.borca.ai/concepts/co_25d555c0dba1810ace67b469ed7bdb5d"},{"public_id":"co_271b04e0cfead8499a7d3cb135d236d4","name":"relaxation rate σ(T)","description":"The temperature-dependent muon spin relaxation rate considered in relation to penetration depth.","types":["measured quantity"],"url":"https://sah.borca.ai/concepts/co_271b04e0cfead8499a7d3cb135d236d4"},{"public_id":"co_9f2b3567d418b9db0ddb79931416a71d","name":"isotropic energy gap","description":"A superconducting energy gap with no directional variation implied in the interpretation.","types":["superconducting property"],"url":"https://sah.borca.ai/concepts/co_9f2b3567d418b9db0ddb79931416a71d"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_448e151f92bb4119c33997462b8e6a92"}