Other
Scientific paper
Apr 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012phrvc..85d5802j&link_type=abstract
Physical Review C, vol. 85, Issue 4, id. 045802
Other
Resonance Reactions, Gamma Transitions And Level Energies, Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments, 20<=A<=38
Scientific paper
Proton resonant states in 27P were studied by the resonant elastic scattering of 26Si+p with a 26Si radioactive ion beam bombarding a thick H2 gas target with the inverse kinematics method. The properties of these resonance states are important to better constrain the production rates of the 26Si(p,γ)27P reaction. This is one of the astrophysically important reactions needed to understand proton-rich nucleosynthesis such as the galactic production of 26Al and energy generation in explosive stellar environments. Although there are recent studies on the resonant structure in 27P, large uncertainties remain, and only a few levels are known. In this work, resonant states were observed over the excitation energies range of 2.3 to 3.8 MeV with high statistics and without background contamination within the target. The resonance parameters were extracted by an R-matrix analysis of the excitation function. The 26Si(p,γ)27P stellar reaction rate has been evaluated, including high-lying resonances found in this work.
Cherubini S.
Choi Seonho
Hashimoto Tsutomu
Hayakawa Saito
Iwasa Naohito
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