{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:W2XAXDECDQUG643ZBLY5Y5NHP3","short_pith_number":"pith:W2XAXDEC","schema_version":"1.0","canonical_sha256":"b6ae0b8c821c286f73790af1dc75a77ec9d7d87c970c99a24d786fd986791c64","source":{"kind":"arxiv","id":"0911.3874","version":1},"attestation_state":"computed","paper":{"title":"Lepton Flavour Violation in a Supersymmetric Model with A4 Flavour Symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Claudia Hagedorn, Ferruccio Feruglio, Luca Merlo, Yin Lin","submitted_at":"2009-11-19T19:28:41Z","abstract_excerpt":"We compute the branching ratios for mu-> e gamma, tau-> mu gamma and tau -> e gamma in a supersymmetric model invariant under the flavour symmetry group A4 X Z3 X U(1)_{FN}, in which near tri-bimaximal lepton mixing is naturally predicted. At leading order in the small symmetry breaking parameter u, which is of the same order as the reactor mixing angle theta_{13}, we find that the branching ratios generically scale as u^2. Applying the current bound on the branching ratio of mu -> e gamma shows that small values of u or tan(beta) are preferred in the model for mass parameters m_{SUSY} and m_{"},"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":"0911.3874","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-11-19T19:28:41Z","cross_cats_sorted":[],"title_canon_sha256":"02b4028294fa38db0c7945eff1252736657bd8d15589bc58d823b304b8f2603d","abstract_canon_sha256":"13b91379a183d04023a931e62dc9b371653fa01bcf1b8ae723c47585a850dc72"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:33.340288Z","signature_b64":"SkCPDHtngqYVZc27+xU2580dhPxf4LiC8zrfBl+5Hauo+zH4Rm9zF7Z34f0DKIO76nil51LYC9tX0v5qHwSGAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6ae0b8c821c286f73790af1dc75a77ec9d7d87c970c99a24d786fd986791c64","last_reissued_at":"2026-05-18T04:26:33.339628Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:33.339628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lepton Flavour Violation in a Supersymmetric Model with A4 Flavour Symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Claudia Hagedorn, Ferruccio Feruglio, Luca Merlo, Yin Lin","submitted_at":"2009-11-19T19:28:41Z","abstract_excerpt":"We compute the branching ratios for mu-> e gamma, tau-> mu gamma and tau -> e gamma in a supersymmetric model invariant under the flavour symmetry group A4 X Z3 X U(1)_{FN}, in which near tri-bimaximal lepton mixing is naturally predicted. At leading order in the small symmetry breaking parameter u, which is of the same order as the reactor mixing angle theta_{13}, we find that the branching ratios generically scale as u^2. Applying the current bound on the branching ratio of mu -> e gamma shows that small values of u or tan(beta) are preferred in the model for mass parameters m_{SUSY} and m_{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3874","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":""},"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":"0911.3874","created_at":"2026-05-18T04:26:33.339712+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.3874v1","created_at":"2026-05-18T04:26:33.339712+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3874","created_at":"2026-05-18T04:26:33.339712+00:00"},{"alias_kind":"pith_short_12","alias_value":"W2XAXDECDQUG","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"W2XAXDECDQUG643Z","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"W2XAXDEC","created_at":"2026-05-18T12:26:02.257875+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2511.08679","citing_title":"Hunting for Neutrino Texture Zeros with Muon and Tau Flavor Violation","ref_index":43,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3","json":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3.json","graph_json":"https://pith.science/api/pith-number/W2XAXDECDQUG643ZBLY5Y5NHP3/graph.json","events_json":"https://pith.science/api/pith-number/W2XAXDECDQUG643ZBLY5Y5NHP3/events.json","paper":"https://pith.science/paper/W2XAXDEC"},"agent_actions":{"view_html":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3","download_json":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3.json","view_paper":"https://pith.science/paper/W2XAXDEC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.3874&json=true","fetch_graph":"https://pith.science/api/pith-number/W2XAXDECDQUG643ZBLY5Y5NHP3/graph.json","fetch_events":"https://pith.science/api/pith-number/W2XAXDECDQUG643ZBLY5Y5NHP3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3/action/storage_attestation","attest_author":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3/action/author_attestation","sign_citation":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3/action/citation_signature","submit_replication":"https://pith.science/pith/W2XAXDECDQUG643ZBLY5Y5NHP3/action/replication_record"}},"created_at":"2026-05-18T04:26:33.339712+00:00","updated_at":"2026-05-18T04:26:33.339712+00:00"}