Effect of current quark masses on quark phase transitions in supernovae

Details Effect of current quark masses on quark phase transitions in supernovae Effect of current quark masses on quark phase transitions in supernovae

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008chphc..32..428l&link_type=abstract

Chinese Physics C, Volume 32, Issue 6, pp. 428 (2008).

Physics

Scientific paper

The current quark mass model is adopted to study the phase transition of two-flavor quark matter to more stable three-flavor quark matter in the whole core of a supernova. It shows that the timescale of the process is shorter than 10-8 seconds, that the u- and d-quark masses can be neglected completely in this model, and that the temperature and the total neutrino energies in the core after the conversion increase nearly by 40% and 20% on the average compared with former results, respectively. The last result can further enhance the probability of success for a supernova explosion significantly.
Supported by National Natural Science Foundation of China (10347008), Key Scientific Research Fund of Sichuan Provincial Education Department (2006A079) and Science and Technology Foundation of China West Normal University

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