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Report No.

Impact of fission fragment mass distribution on r-process nucleosynthesis pattern

Chiba, Satoshi; Koura, Hiroyuki  ; Maruyama, Toshiki ; Ota, Masahisa*; Tatsuda, Sayuki*; Wada, Takahiro*; Tachibana, Takahiro*; Kajino, Toshitaka*; Sumiyoshi, Kosuke*; Otsuki, Kaori*

We introduce $$beta$$-delayed fission in r-process calculation, and investigate the difference of the abundance pattern of synthesized nuclei depending on the model of fission fragment mass distribution. We further discuss the impact of it on nucleo-cosmochronometer and possibility to restrict the physical condition of r-process sites.



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