{"paper":{"title":"Low-lying level structure of $^{56}$Cu and its implications on the rp process","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"nucl-ex","authors_text":"A. Aprahamian, A. Gade, A. Kontos, A. Lemasson, A. Nystrom, A. Simon, A. Spyrou, B. A. Brown, C. Domingo-Pardo, C. Langer, D. Bazin, D. W. Bardayan, D. Weisshaar, E. B. Deleeuw, E. Lunderberg, F. M. Nunes, F. Montes, F. Recchia, G. Perdikakis, H. Crawford, H. Schatz, I-Y. Lee, J. Browne, J. Pereira, J. Stevens, J. Wheeler, K. Siegl, K. Wimmer, L. Keek, M. Matos, M. Scott, M. Smith, P. Hosmer, R. Cyburt, R. G. T. Zegers, S. George, S. J. Quinn, S. Noji, S. R. Stroberg, W-J. Ong, Y. Maeda, Z. Meisel","submitted_at":"2017-04-26T01:25:54Z","abstract_excerpt":"The low-lying energy levels of proton-rich $^{56}$Cu have been extracted using in-beam $\\gamma$-ray spectroscopy with the state-of-the-art $\\gamma$-ray tracking array GRETINA in conjunction with the S800 spectrograph at the National Superconducting Cyclotron Laboratory at Michigan State University. Excited states in $^{56}$Cu serve as resonances in the $^{55}$Ni(p,$\\gamma$)$^{56}$Cu reaction, which is a part of the rp-process in type I x-ray bursts. To resolve existing ambiguities in the reaction Q-value, a more localized IMME mass fit is used resulting in $Q=639\\pm82$~keV. We derive the first"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.07941","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":""},"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"}