{"paper":{"title":"New Limit for the Family-Number Non-conserving Decay mu+ to e+_gamma","license":"","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"hep-ex","authors_text":"A. Empl, B. W. Mayes, C. A. Gagliardi, C. C. H. Jui, D. D. Koetke, E. B. Hughes, E. V. Hungerford, G. E. Hogan, J. E. Knott, J. J. Szymanski, K. M. Stantz, K. O. H. Ziock, L. A. Van Ausdeln, L. E. Piilonen, M. A. Kroupa K. A. Lan, M. D. Cooper, M. Dzemidzic, MEGA Collaboration: M. L. Brooks, P. S. Cooper, R. E. Mischke, R. E. Tribble, R. Manweiler, S. C. Wright, T. D. S. Stanislaus, W. H. von Witsch, X. L. Tu, Y. K. Chen","submitted_at":"1999-05-07T23:34:57Z","abstract_excerpt":"An experiment has been performed to search for the muon- and electron-number non-conserving decay mu+ to e+_gamma. The upper limit for the branching ratio to be GAMMA(mu+ to e+_gamma)/GAMMA(mu+ to e+_nu_nubar) < 1.2e-11 with 90% confidence."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9905013","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-ex/9905013/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"}