Neutrino Spectroscopy of the Early Phase of Nearby Supernovae

Details Neutrino Spectroscopy of the Early Phase of Nearby Supernovae Neutrino Spectroscopy of the Early Phase of Nearby Supernovae

1997-07-20

arxiv.org/abs/astro-ph/9707222v1

Phys.Rev.Lett. 79 (1997) 1599-1603

Astronomy and Astrophysics

Astrophysics

9 pages of text and tables plus 2 pages of figures. Accepted for publication in Phys. Rev. Lett. on 11th Jul., 1997. Please e-

Scientific paper

10.1103/PhysRevLett.79.1599

Neutrinos emitted during stellar core collapse up to their trapping phase carry information about the stage from which the Supernova explosion process initiates. The dominant $\nu_e$ emission mechanism is by electron capture on free protons and f-p shell nuclei and the spectrum of these neutrinos is a function of the ambient physical conditions within the core as well as the nuclear equation of state. The number of collapse phase $\nu_e$ which can be detected by Super-Kamioka and Sudbury Neutrino Observatory from a Supernova within 1 kpc, and their generic energy spectra are given.

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