Neutron single particle structure in 131Sn and direct neutron capture cross sections

التفاصيل البيبلوغرافية
العنوان: Neutron single particle structure in 131Sn and direct neutron capture cross sections
المؤلفون: R L, Kozub, G, Arbanas, A S, Adekola, D W, Bardayan, J C, Blackmon, K Y, Chae, K A, Chipps, J A, Cizewski, L, Erikson, R, Hatarik, W R, Hix, K L, Jones, W, Krolas, J F, Liang, Z, Ma, C, Matei, B H, Moazen, C D, Nesaraja, S D, Pain, D, Shapira, J F, Shriner, M S, Smith, T P, Swan
المصدر: Physical review letters. 109(17)
سنة النشر: 2012
الوصف: Recent calculations suggest that the rate of neutron capture by (130)Sn has a significant impact on late-time nucleosynthesis in the r process. Direct capture into low-lying bound states is expected to be significant in neutron capture near the N=82 closed shell, so r-process reaction rates may be strongly impacted by the properties of neutron single particle states in this region. In order to investigate these properties, the (d,p) reaction has been studied in inverse kinematics using a 630 MeV beam of (130)Sn (4.8 MeV/u) and a (CD(2))(n) target. An array of Si strip detectors, including the Silicon Detector Array and an early implementation of the Oak Ridge Rutgers University Barrel Array, was used to detect reaction products. Results for the (130)Sn(d, p)(131)Sn reaction are found to be very similar to those from the previously reported (132)Sn(d, p)(133)Sn reaction. Direct-semidirect (n,γ) cross section calculations, based for the first time on experimental data, are presented. The uncertainties in these cross sections are thus reduced by orders of magnitude from previous estimates.
تدمد: 1079-7114
URL الوصول: https://explore.openaire.eu/search/publication?articleId=pmid________::76efe4140373693a9fcedeac53025f24
https://pubmed.ncbi.nlm.nih.gov/23215181
رقم الأكسشن: edsair.pmid..........76efe4140373693a9fcedeac53025f24
قاعدة البيانات: OpenAIRE