Direct neutron capture cross section on Ge 80 and probing shape coexistence in neutron-rich nuclei

S. Ahn, D. W. Bardayan, K. L. Jones, A. S. Adekola, G. Arbanas, J. C. Blackmon, K. Y. Chae, K. A. Chipps, J. A. Cizewski, S. Hardy, M. E. Howard, R. L. Kozub, B. Manning, M. Matoš, C. D. Nesaraja, P. D. O'Malley, S. D. Pain, W. A. Peters, S. T. Pittman, B. C. RascoM. S. Smith, I. Spassova

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Results are presented from the first neutron-transfer measurement on Ge80 using an exotic beam from the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory. Newly measured spins and spectroscopic factors of low-lying states of Ge81 are determined, and the neutron capture cross section on Ge80 was calculated in a direct-semidirect model to provide a more realistic (n,γ) reaction rate for r-process simulations. Furthermore, a region of shape coexistence around N≈50 is confirmed and implications for the magic nature of Ni78 are discussed.

Original languageEnglish (US)
Article number044613
JournalPhysical Review C
Volume100
Issue number4
DOIs
StatePublished - Oct 23 2019

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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