Mo-92(alpha,alpha)Mo-92 scattering, the Mo-92-alpha optical potential, and the Ru-96(gamma,alpha)Mo-92 reaction rate at astrophysically relevant energies

Zs. Fulop, Gy. Gyurky, Z. Mate, E. Somorjai, L. Zolnai, D. Galaviz, M. Babilon, P. Mohr, A. Zilges, T. Rauscher, H. Oberhummer, G. Staudt

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Abstract

The elastic scattering cross section of (MO)-M-92(alpha,alpha)Mo-92 has been measured at energies of E-c.m. approximate to 13, 16, and 19 MeV in a wide angular range. The real and imaginary parts of the optical potential for the system Mo-92-alpha have been derived at energies around and below the Coulomb barrier, The result fits into the systematic behavior of alpha -nucleus folding potentials. The astrophysically relevant Ru-96(gamma,alpha)Mo-92 reaction rates at, T-9 = 2.0 and T-9 = 3.0 could be determined to an accuracy of about 16% and are compared to previously published theoretical rates.

Original languageEnglish
Article number065805
Number of pages13
JournalPhysical Review C (nuclear physics)
Volume64
Issue number6
DOIs
Publication statusPublished - Dec 2001

Keywords

  • GAMMA-PROCESS
  • ISOTOPES
  • RANGE
  • SUPERNOVAE
  • NUCLEAR ASTROPHYSICS
  • CROSS-SECTION
  • INCIDENT ENERGIES
  • P-PROCESS

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