{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1994:DYUWW6NAQDP52MU3PGQTNV7XBF","short_pith_number":"pith:DYUWW6NA","schema_version":"1.0","canonical_sha256":"1e296b79a080dfdd329b79a136d7f709454d2cacef0ce1adf46e3c226290fda4","source":{"kind":"arxiv","id":"hep-ph/9405230","version":1},"attestation_state":"computed","paper":{"title":"Atomic Alchemy","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. Greub, C. Munger, D. Wyler, S. Brodsky","submitted_at":"1994-05-05T08:18:47Z","abstract_excerpt":"We consider the transitions between electromagnetic bound states, such as the exclusive weak decay of a muonic atom into an electronic atom: $(\\mu^- Z) \\to (e^- Z) {\\bar \\nu_e }\\nu_\\mu . $ We show that relativistic effects in the atomic wavefunctions are crucial for determining the rate. In the case of heavy atoms, the exclusive channel branching ratios exceed $10^{-6},$ possibly bringing the study of these rare decays within experimental reach. Such processes thus provide a detailed laboratory for studying the high momentum tail of wavefunctions in atomic physics; in addition, they provide a "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ph/9405230","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1994-05-05T08:18:47Z","cross_cats_sorted":[],"title_canon_sha256":"a0b881efe0ab5d537f57ab98258f3b0da394059885b287ab856e09b3eb42d5ac","abstract_canon_sha256":"6faf6e4fd9fadd1ef16f925d702490c7e1ded2d326e2c225387ed143bfa9ebad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:50:46.581536Z","signature_b64":"UMQ/4j9lOZGUYNYHzmk/B852I5HLbfb0AalwU3GC/flDLxg7r14DmlvC5FDalwAUIIyape2R9zJpEeoxTm9JAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e296b79a080dfdd329b79a136d7f709454d2cacef0ce1adf46e3c226290fda4","last_reissued_at":"2026-07-04T15:50:46.581130Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:50:46.581130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Atomic Alchemy","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. Greub, C. Munger, D. Wyler, S. Brodsky","submitted_at":"1994-05-05T08:18:47Z","abstract_excerpt":"We consider the transitions between electromagnetic bound states, such as the exclusive weak decay of a muonic atom into an electronic atom: $(\\mu^- Z) \\to (e^- Z) {\\bar \\nu_e }\\nu_\\mu . $ We show that relativistic effects in the atomic wavefunctions are crucial for determining the rate. In the case of heavy atoms, the exclusive channel branching ratios exceed $10^{-6},$ possibly bringing the study of these rare decays within experimental reach. Such processes thus provide a detailed laboratory for studying the high momentum tail of wavefunctions in atomic physics; in addition, they provide a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9405230","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9405230/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9405230","created_at":"2026-07-04T15:50:46.581200+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9405230v1","created_at":"2026-07-04T15:50:46.581200+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9405230","created_at":"2026-07-04T15:50:46.581200+00:00"},{"alias_kind":"pith_short_12","alias_value":"DYUWW6NAQDP5","created_at":"2026-07-04T15:50:46.581200+00:00"},{"alias_kind":"pith_short_16","alias_value":"DYUWW6NAQDP52MU3","created_at":"2026-07-04T15:50:46.581200+00:00"},{"alias_kind":"pith_short_8","alias_value":"DYUWW6NA","created_at":"2026-07-04T15:50:46.581200+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF","json":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF.json","graph_json":"https://pith.science/api/pith-number/DYUWW6NAQDP52MU3PGQTNV7XBF/graph.json","events_json":"https://pith.science/api/pith-number/DYUWW6NAQDP52MU3PGQTNV7XBF/events.json","paper":"https://pith.science/paper/DYUWW6NA"},"agent_actions":{"view_html":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF","download_json":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF.json","view_paper":"https://pith.science/paper/DYUWW6NA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9405230&json=true","fetch_graph":"https://pith.science/api/pith-number/DYUWW6NAQDP52MU3PGQTNV7XBF/graph.json","fetch_events":"https://pith.science/api/pith-number/DYUWW6NAQDP52MU3PGQTNV7XBF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF/action/storage_attestation","attest_author":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF/action/author_attestation","sign_citation":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF/action/citation_signature","submit_replication":"https://pith.science/pith/DYUWW6NAQDP52MU3PGQTNV7XBF/action/replication_record"}},"created_at":"2026-07-04T15:50:46.581200+00:00","updated_at":"2026-07-04T15:50:46.581200+00:00"}