Abstract
The νp process is a primary nucleosynthesis process which occurs in core-collapse supernovae. An essential role in this process is being played by electron antineutrinos. They generate, by absorption on protons, a supply of neutrons which, by (n, p) reactions, allow to overcome waiting point nuclei with rather long beta-decay and proton-capture lifetimes. The synthesis of heavy elements by the νp process depends sensitively on the \(\bar \nu _e\) luminosity and spectrum. As has been shown recently, the latter are affected by collective neutrino flavor oscillations which can swap the \(\bar \nu _e\) and \(\bar \nu _{\mu ,\tau }\) spectra above a certain split energy. Assuming such a swap scenario, we have studied the impact of collective neutrino flavor oscillations on the νp-process nucleosynthesis. Our results show that the production of light p-nuclei up to mass number A = 108 is very sensitive to collective neutrino oscillations.
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Communicated by U.-G. Meißner
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Martínez-Pinedo, G., Ziebarth, B., Fischer, T. et al. Effect of collective neutrino flavor oscillations on νp-process nucleosynthesis. Eur. Phys. J. A 47, 98 (2011). https://doi.org/10.1140/epja/i2011-11098-y
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DOI: https://doi.org/10.1140/epja/i2011-11098-y