New 59Fe beta-decay rates in non-rotating MESA models suppress 60Fe yields by 0.28 dex, yielding a Salpeter-IMF-integrated 60Fe/26Al flux ratio of 0.18 that matches the observed 0.184 ± 0.042.
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Treating select nuclear isomers as independent states with temperature-dependent rates in r-process networks yields predictions that the 743.3 keV Nb-97m and 555.6 keV Y-91m lines may be detectable at galactic distances by COSI, AMEGO, or LOX.
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The Impact of the New $^{59}$Fe Decay Rates on $^{60}$Fe and $^{26}$Al Nucleosynthesis in Massive Stars
New 59Fe beta-decay rates in non-rotating MESA models suppress 60Fe yields by 0.28 dex, yielding a Salpeter-IMF-integrated 60Fe/26Al flux ratio of 0.18 that matches the observed 0.184 ± 0.042.
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Nuclear Isomers and Their Impact on Gamma-Ray Emission in Binary Neutron Star Mergers
Treating select nuclear isomers as independent states with temperature-dependent rates in r-process networks yields predictions that the 743.3 keV Nb-97m and 555.6 keV Y-91m lines may be detectable at galactic distances by COSI, AMEGO, or LOX.