C-12 (alpha, gamma) O-16 E-2 cross section in a microscopic four-alpha model
Jan, 19935 pages
Published in:
- Phys.Rev.C 47 (1993) 210-215
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Abstract: (APS)
The C12(α,γ)16O E2 cross section is calculated in the generator coordinate method where C12 is described by three α particles located on the apexes of an equilateral triangle. Distortion effects in the C12 wave functions are taken into account, and the O16 wave functions are defined by a mixing of α+12C(0+,2+) configurations. The good quantum numbers are restored through angular momentum projection. We compute quadrupole transition probabilities between low-energy O16 states, and the C12(α,γ)16O E2 cross sections to the ground and 21+ states. At 300 keV, we find an S factor equal to 0.09 MeV b.- 25.45.-z
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