{"paper":{"title":"Precise $^{113}$Cd $\\beta$ decay spectral shape measurement and interpretation in terms of possible $g_A$ quenching","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Giuliani, A. Ortiz de Sol\\'orzano, A. Zolotarova, C.A. Marrache-Kikuchi, C. Gotti, C. Nones, D. L. Helis, D. V. Poda, E. Olivieri, F. A. Danevich, F. Ferri, G. Pessina, H. Khalife, I. Bandac, J.A. Scarpaci, J. Kostensalo, J.M. Calvo-Mozota, J. Suhonen, L. Berge, L. Dumoulin, L. Imbert, M. Chapellier, M. Martinez, M. Zarytskyy, P. Carniti, P. de Marcillac, Ph. Gras, P. Loaiza, S. Marnieros, T. Dixon, V. I. Tretyak, V. V. Kobychev","submitted_at":"2024-11-05T09:39:30Z","abstract_excerpt":"Highly forbidden $\\beta$ decays provide a sensitive test to nuclear models in a regime in which the decay goes through high spin-multipole states, similar to the neutrinoless double-$\\beta$ decay process. There are only 3 nuclei ($^{50}$V, $^{113}$Cd, $^{115}$In) which undergo a $4^{\\rm th}$ forbidden non-unique $\\beta$ decay. In this work, we compare the experimental $^{113}$Cd spectrum to theoretical spectral shapes in the framework of the spectrum-shape method. We measured with high precision, with the lowest energy threshold and the best energy resolution ever, the $\\beta$ spectrum of $^{1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.02944","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/2411.02944/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"}