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Gamow-Teller strength distributions in fp-shell nuclei | | P.B. Radha
; D.J. Dean
; S.E. Koonin
; K. Langanke
; P. Vogel
; | | Date: |
29 Jul 1997 | | Journal: | Phys.Rev. C56 (1997) 3079-3086 | | Subject: | nucl-th | | Affiliation: | Caltech), D.J. Dean (ORNL), S.E. Koonin (Caltech), K. Langanke (Aarhus), and P. Vogel (Caltech | | Abstract: | We use the shell model Monte Carlo method to calculate complete 0f1p-shell response functions for Gamow-Teller (GT) operators and obtain the corresponding strength distributions using a Maximum Entropy technique. The approach is validated against direct diagonalization for 48Ti. Calculated GT strength distributions agree well with data from (n,p) and (p,n) reactions for nuclei with A=48-64. We also calculate the temperature evolution of the GT+ distributions for representative nuclei and find that the GT+ distributions broaden and the centroids shift to lower energies with increasing temperature. | | Source: | arXiv, nucl-th/9707052 | | Services: | Forum | Review | PDF | Favorites | |
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