Experimental cross section of 144Sm(α, γ)148Gd and implications for the p-process
1998
The cross section of the 144 Sm(;) 148 Gd reac- tion has been measured at bombarding energies in the 10.5- 13.4 MeV range using an activation method based on the off-line -activity measurement of the 148 Gd residual nucleus. The long measuring time of the -decay has required the use of etched track detectors. The resulting cross sections and astrophysical S-factors are compared to new statistical model calculations. The measured data at low energies reflect the strong energy dependence of the optical potential which is found to affect significantly our predictions of the -capture rate.
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