{"paper":{"title":"Observation of the near-threshold intruder $0^-$ resonance in $^{12}$Be","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"C. Wen, C. X. Yuan, D. Bazin, D. T. Tran, D. X. Jiang, D. Y. Pang, E. Ideguchi, F. R. Xu, H. Hua, H. J. Ong, H. L. Zang, H. N. Liu, H. T. Fortune, J. Chen, J. C. Pei, J. G. Li, J. Lee, J. Li, J. L. Lou, J. Wu, K. Hatanaka, M. Tanaka, N. Aoi, N. Michel, Q. T. Li, S. M. Wang, T. Suzuki, T. Yamamoto, W. Jiang, W. Zuo, X. F. Yang, Y. Ayyad, Y. C. Ge, Y. L. Sun, Y. L. Ye, Y. N. Zhang, Z. H. Li","submitted_at":"2021-03-04T02:08:09Z","abstract_excerpt":"A resonant state at $3.21^{+0.12}_{-0.04}$\\,MeV, located just above the one-neutron separation threshold, was observed for the first time in $^{12}$Be from the $^{11}$Be\\,$(d,p)^{12}$Be one-neutron transfer reaction in inverse kinematics. This state is assigned a spin-parity of $0^-$, according to the distorted-wave Born approximation (DWBA) and decay-width analysis. Gamow coupled-channel (GCC) and Gamow shell-model (GSM) calculations show the importance of the continuum-coupling, which dramatically influences the excitation energy and ordering of low-lying states. Various exotic structures as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.02785","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/2103.02785/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"}