Neutron single particle structure in 131Sn and the r-process

R. L. Kozub, A. S. Adekola, D. W. Bardayan, J. C. Blackmon, K. Y. Chae, K. A. Chipps, J. A. Cizewski, L. Erikson, R. Hatarik, K. L. Jones, W. Krolas, F. Liang, Z. Ma, C. Matei, B. H. Moazen, C. D. Nesaraja, S. D. Pain, D. Shapira, J. F. Shriner, M. S. SmithT. P. Swan

Research output: Contribution to journalConference articlepeer-review


Recent calculations suggest that, at late times in the r-process, the rate of neutron capture by 130Sn has a significant impact on nucleosynthesis. Direct capture into low-lying bound states is likely the dominant reaction in the r-process near the N=82 closed shell, so reaction rates are strongly impacted by the properties of neutron single particle states in this region. In order to investigate these properties, we have acquired (d,p) reaction data in the A∼132 region in inverse kinematics using ∼630 MeV beams (4.85 MeV/u for 130Sn) and CD2 targets. An array of Si strip detectors, including SIDAR and an early implementation of the new Oak Ridge Rutgers University Barrel Array (ORRUBA), was used to detect reaction products. Preliminary results for the 130Sn(d,p)131Sn experiment are reported.

Original languageEnglish (US)
JournalProceedings of Science
StatePublished - 2008
Event10th Symposium on Nuclei in the Cosmos, NIC 2008 - Mackinac Island, MI, United States
Duration: Jul 27 2008Aug 1 2008

All Science Journal Classification (ASJC) codes

  • General


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