High-Precision Proton-Capture Q Values for 25Al(p,γ)26Si and 30P(p,γ)31Si
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High-Precision Proton-Capture Q Values for 25Al(p,γ)26Si and 30P(p,γ)31Si
jpscp.14.020503.pdf
(University of Jyväskylä - JYX - articles)
The masses of astrophysically relevant nuclei, 25Al and 30P, have recently been measured with the JYFLTRAP double Penning trap at the new IGISOL-4 facility at the University of Jyväskylä. Unparalleled precisions of 63 and 64 eV were achieved for the 25Al and 30P masses, respectively. The proton-capture Q values for 25Al(p, γ)26Si and 30P(p, γ)31S were also determined, and their precisions improved by a factor of 4 and 2, respectively, in comparison with AME12. The impact of the more precise values on the resonant proton-capture rate has also been studied.
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