{"paper":{"title":"Angular distribution of $\\gamma$ rays from the p-wave resonance of $^{118}$Sn","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Kimura, H. Fujioka, H. M. Shimizu, H. Yoshikawa, J. Koga, K. Hirota, K. Ishizaki, K. Sakai, M. Kitaguchi, S. Endo, S. Takada, T. Okudaira, T. Shima, T. Yamamoto, T. Yoshioka, Y. Niinomi, Y. Tani","submitted_at":"2022-02-13T06:02:03Z","abstract_excerpt":"The neutron energy-dependent angular distribution of $\\gamma$ rays from $^{117}{\\rm Sn}(n,\\gamma)$ reaction was measured with germanium detectors and a pulsed neutron beam. The angular distribution was clearly observed in $\\gamma$-ray emissions with an energy of 9327 keV which corresponds to the transition from a neutron resonance of $^{117}{\\rm Sn}+n$ to the ground state of $^{118}{\\rm Sn}$. The angular distribution causes an angular-dependent asymmetric resonance shape. An asymmetry $A_{\\rm LH}$ was defined as $(N_{\\rm L}-N_{\\rm H})/(N_{\\rm L}+N_{\\rm H})$, where $N_{\\rm L}$ and $N_{\\rm H}$ a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.06222","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/2202.06222/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"}