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- W1999462426 abstract "Within a full dynamical parameter study including freezeout effects, we have determined the astrophysical conditions for an r-process in the so-called ``neutrino-wind`` scenario of core-collapse type II supernovae (SNII). We have started our calculations after the total photo disintegration of the matter above the nascent neutron star at 9 (.) 101 Kelvin with protons and neutrons. We have used the charged-particle network of Thielemann and the r-process code of Freiburghaus, combined with the NON-SMOKER neutron-capture rates of Rauscher, nuclear masses from the ETFS1-Q mass model and recent experimental and theoretical gross beta-decay properties. Using the three parameters V-exp (expansion speed of the shock wave), S (entropy of the bubble) and the neutron-to-proton ratio Y-e, we show that the above quantities have to fulfill specific conditions in order to make a successful r-process. According to observations and hydrodynamical simulations, respectively, a realistic value for Vexp is 7500 km/s, and Y>0.5." @default.
- W1999462426 created "2016-06-24" @default.
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- W1999462426 date "2005-07-01" @default.
- W1999462426 modified "2023-10-01" @default.
- W1999462426 title "Astrophysical conditions for an r-process in the high-entropy wind scenario of type II supernovae" @default.
- W1999462426 cites W1985433643 @default.
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- W1999462426 doi "https://doi.org/10.1016/j.nuclphysa.2005.05.187" @default.
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