Physics – Nuclear Physics
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011phrvc..84c5808t&link_type=abstract
Physical Review C, vol. 84, Issue 3, id. 035808
Physics
Nuclear Physics
1
Reactions Induced By Unstable Nuclei, Coulomb Excitation, Nuclear Physics Aspects Of Novae, Supernovae, And Other Explosive Environments, 20<=A<=38
Scientific paper
The stellar reaction 26Si(p,γ)27P was studied in the Coulomb dissociation of 27P. Two known resonance levels in 27P were excited and a candidate for the third excited state was found in the 26Si p relative energy spectrum. The E2 resonance strengths ωγ were obtained to be (6.5±1.3)×10-11, (6.0±1.1)×10-10, and (1.10±0.27)×10-10 MeV. The total (E2+M1) ωγ value for the first excited state was evaluated to be 1.9-1.1+1.9×10-9 MeV with the help of the shell model. The error was estimated from the deviation of theoretical predictions with the same shell model from experimental strengths obtained in the present study for 27P and earlier ones for the mirror nucleus 27Mg. The astrophysical reaction rate for the 26Si(p,γ)27P reaction was also calculated and compared with previous estimations.
Ando Yoichi
Aoi N.
Baba Hideshi
Demichi K.
Elekes Z.
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