cern-intc-2014-047/intc-p-415 tackling the s-process stellar neutron density via the 147 pm(n, )...
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Carlos GUERRERO et al., “Tackling the s-process stellar neutron density via the 147 Pm(n, ) reaction” 47 th CERN INTC Meeting (June 25 th 2014) Fe Co Ni Rb Ga Ge Zn Cu Se Br As Zr Y Sr Kr (n, ) ()() ()() 79 Se, t 1/2 =65 ky 80 Br, t 1/2 =17 min, 92 % ( ), 8 % ( ) 85 Kr, t 1/2 =11 y s-only neutron number proton number 63 Ni, t 1/2 =100 y Nucleosynthesis through the s-process Understanding abundances “around” branching points: -Half lifes -(n,g) cross sections -Neutron density and temperature
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