{"paper":{"title":"Coulomb Corrections to Three-Nucleon Moments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Ha S. Nguyen, Jared Vanasse","submitted_at":"2026-05-18T19:34:19Z","abstract_excerpt":"The Helium-3 (${}^3\\mathrm{He}$) magnetic moment and Gamow-Teller (GT) matrix element in triton (${}^3\\mathrm{H}$) $\\beta$-decay are calculated in pionless effective field theory ($\\mathrm{EFT}(/\\!\\!\\!\\pi)$) to next-to-leading order (NLO). Coulomb corrections are included perturbatively to $\\mathcal{O}(\\alpha)$ in this framework and should naively be $\\alpha M_n/p^*\\!\\!\\sim\\!8\\%$ corrections, where $p^*\\!\\!\\sim\\!88.5$ MeV is related to the three-nucleon binding momentum. Fitting the two-nucleon iso-vector magnetic current low-energy constant (LEC), $L_1$, to the ${}^3\\mathrm{H}$ magnetic momen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19062","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/2605.19062/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"}