{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:D5I2D52ZHG2XHILKX5RKMEW574","short_pith_number":"pith:D5I2D52Z","schema_version":"1.0","canonical_sha256":"1f51a1f75939b573a16abf62a612ddff0702781fba91d80a32dfcd1fa332436f","source":{"kind":"arxiv","id":"2507.15271","version":1},"attestation_state":"computed","paper":{"title":"Long-lived Axion-Like Particles from Tau Decays","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Anupam Ray, Jure Zupan, Matheus Hostert, Maxim Pospelov, Patrick J. Fox, Tony Menzo, Yohei Ema","submitted_at":"2025-07-21T06:18:54Z","abstract_excerpt":"Axion-like particles (ALPs) are well-motivated examples of light, weakly coupled particles in theories beyond the Standard Model. In this work, we study long-lived ALPs coupled exclusively to leptons in the mass range between $2 m_e$ and $m_\\tau - m_e$. For anarchic flavor structure the leptophilic ALP production in tau decays or from ALP-tau bremsstrahlung is enhanced thanks to derivative couplings of the ALP and can surpass production from electron and muon channels, especially for ALPs heavier than $m_\\mu$. Using past data from high-energy fixed-target experiments such as CHARM and BEBC we "},"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":"2507.15271","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-07-21T06:18:54Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"d72fdad72205f80625e0102c34f1ecfd9bb341194590a1cdc34ba86e8f2296b8","abstract_canon_sha256":"7a3d2d0ca7d4f1395d45b94c2038232f422b39fe972c4b6832ee640e8dba9003"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:40:21.556094Z","signature_b64":"AQN7/UuzhCyswGzi+2xtlRKgLDrCYXuCsu/+RbadGI37wMvi/pajH6aaP6h4vwqbba+HxZLZsmpanOcGC41sDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f51a1f75939b573a16abf62a612ddff0702781fba91d80a32dfcd1fa332436f","last_reissued_at":"2026-07-05T11:40:21.555486Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:40:21.555486Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Long-lived Axion-Like Particles from Tau Decays","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Anupam Ray, Jure Zupan, Matheus Hostert, Maxim Pospelov, Patrick J. Fox, Tony Menzo, Yohei Ema","submitted_at":"2025-07-21T06:18:54Z","abstract_excerpt":"Axion-like particles (ALPs) are well-motivated examples of light, weakly coupled particles in theories beyond the Standard Model. In this work, we study long-lived ALPs coupled exclusively to leptons in the mass range between $2 m_e$ and $m_\\tau - m_e$. For anarchic flavor structure the leptophilic ALP production in tau decays or from ALP-tau bremsstrahlung is enhanced thanks to derivative couplings of the ALP and can surpass production from electron and muon channels, especially for ALPs heavier than $m_\\mu$. Using past data from high-energy fixed-target experiments such as CHARM and BEBC we "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.15271","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/2507.15271/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":"2507.15271","created_at":"2026-07-05T11:40:21.555558+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.15271v1","created_at":"2026-07-05T11:40:21.555558+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.15271","created_at":"2026-07-05T11:40:21.555558+00:00"},{"alias_kind":"pith_short_12","alias_value":"D5I2D52ZHG2X","created_at":"2026-07-05T11:40:21.555558+00:00"},{"alias_kind":"pith_short_16","alias_value":"D5I2D52ZHG2XHILK","created_at":"2026-07-05T11:40:21.555558+00:00"},{"alias_kind":"pith_short_8","alias_value":"D5I2D52Z","created_at":"2026-07-05T11:40:21.555558+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.28500","citing_title":"New Energy-Loss Constraints on Dark Sectors from Deeply Inelastic Scattering with Initial State Radiation","ref_index":26,"is_internal_anchor":false},{"citing_arxiv_id":"2602.02678","citing_title":"Axion-Like Electrophilic Portal for Pion Dark Matter","ref_index":58,"is_internal_anchor":false},{"citing_arxiv_id":"2604.11889","citing_title":"ALP production in Lepton Flavour Violating meson, tau and gauge boson decays","ref_index":67,"is_internal_anchor":false},{"citing_arxiv_id":"2604.07481","citing_title":"Axion-like Particles and Lepton Flavor Violation in Muonic Atoms","ref_index":45,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574","json":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574.json","graph_json":"https://pith.science/api/pith-number/D5I2D52ZHG2XHILKX5RKMEW574/graph.json","events_json":"https://pith.science/api/pith-number/D5I2D52ZHG2XHILKX5RKMEW574/events.json","paper":"https://pith.science/paper/D5I2D52Z"},"agent_actions":{"view_html":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574","download_json":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574.json","view_paper":"https://pith.science/paper/D5I2D52Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.15271&json=true","fetch_graph":"https://pith.science/api/pith-number/D5I2D52ZHG2XHILKX5RKMEW574/graph.json","fetch_events":"https://pith.science/api/pith-number/D5I2D52ZHG2XHILKX5RKMEW574/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574/action/storage_attestation","attest_author":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574/action/author_attestation","sign_citation":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574/action/citation_signature","submit_replication":"https://pith.science/pith/D5I2D52ZHG2XHILKX5RKMEW574/action/replication_record"}},"created_at":"2026-07-05T11:40:21.555558+00:00","updated_at":"2026-07-05T11:40:21.555558+00:00"}