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Table 3

Percentage of each element created, according to the HEW predictions by three different processes.

Element Ch. part. Weak r Main r
Yn/Yseed < 1 1 < Yn/Yseed < 15 Yn/Yseed > 15

Ye = 0.442
Sr 97.6 2.2 0.1
Y 96.7 3.3 0.3
Zr 81.6 18.2 0.2
Pd 4.6 85.3 10.2
Ag 0.7 82.5 16.8
Ba 0 0 100
Eu 0 0 100
Ye = 0.493
Sr 97.6 2.3 0.1
Y 94.4 5.5 0.1
Zr 72.2 27.6 0.2
Pd 0.4 72.1 27.5
Ag 0 63.4 36.6
Ba 0 1.7 98.3
Eu 0 0 100

Notes. The listed processes are: charged particle freeze-out process (Ch. part.), weak r-process (weak r), and main r-process (main r). These fractional yields (abundances) are functions of the electron fractions, Ye.

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