CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
beta-delayed proton decays near the proton drip line
Xu, SW; Li, ZK; Xie, YX; Pan, QY; Huang, WX; Wang, XD; Yu, Y; Xing, YB; Shu, NC; Chen, YS; Xu, FR; Wang, K(王鲲)
Source PublicationPHYSICAL REVIEW C
AbstractWe briefly reviewed and summarized the experimental study on beta-delayed proton decays published by our group over the last 8 years, namely the experimental observation of beta-delayed proton decays of nine new nuclides in the rare-earth region near the proton drip line and five nuclides in the mass 90 region with N similar to Z by utilizing the p-gamma coincidence technique in combination with a He-jet tape transport system. In addition, important technical details of the experiments were provided. The experimental results were compared to the theoretical predictions of some nuclear models, resulting in the following conclusions. (1) The experimental half-lives for Mo-85, Rh-92, as well as the predicted "waiting point" nuclei Ru-89 and Pd-93 were 5-10 times longer than the macroscopic-microscopic model predictions of Moller [At. Data Nucl. Data Tables 66,131(1997)]. These data considerably influenced the predictions of the mass abundances of the nuclides produced in the rp process. (2) The experimental assignments of spin and parity for the drip-line nuclei Ho-142 and Pm-128 could not be well predicted by any of the nuclear models. Nevertheless, the configuration-constrained nuclear potential-energy surfaces calculated by means of a Woods-Saxon-Strutinsky method could reproduce the assignments. (3) The ALICE code overestimated by one or two orders of magnitude the production-reaction cross sections of the nine studied rare-earth nuclei, while the HIVAP code overestimated them by approximately one order of magnitude.
Indexed BySCI
Funding Project应物所项目组
WOS IDWOS:000229226900001
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Document Type期刊论文
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Xu, SW,Li, ZK,Xie, YX,et al. beta-delayed proton decays near the proton drip line[J]. PHYSICAL REVIEW C,2005,71(5).
APA Xu, SW.,Li, ZK.,Xie, YX.,Pan, QY.,Huang, WX.,...&Wang, K.(2005).beta-delayed proton decays near the proton drip line.PHYSICAL REVIEW C,71(5).
MLA Xu, SW,et al."beta-delayed proton decays near the proton drip line".PHYSICAL REVIEW C 71.5(2005).
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