The capability of the existing network of installations for detecting the antineutrino burst from collapsing stars

Details The capability of the existing network of installations for detecting the antineutrino burst from collapsing stars The capability of the existing network of installations for detecting the antineutrino burst from collapsing stars

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....8..140k&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 8 p 140-143 (SEE N85-36066 24-93)

Physics

Collapse, Energy Spectra, High Energy Interactions, Models, Neutrinos, Particle Flux Density, Stars, Cosmic Rays, Energy Distribution, Estimates, Galactic Radiation, Scintillation Counters, Simulation

Scientific paper

As the neutrino fluxes can bring information from the internal layers of the collapsing star, the problem of the neutrino burst detection is of importance for both the direct registering of the collapse itself and the investigation of its dynamics. The main characteristics of the neutrino fluxes have been obtained by simulations. The total neutrino flux energy is estimated as 2.5 x 10 to the 53 to 1.4 x 10 to the 54 erg, the energy of NUE flux being 10 to the 53 erg. Predictions on neutrino energy spectra are quite different. Two models of the collapse will be used: the model by Bowers and Wilson, hereafter BW, and the model by Nadyozhin and Otroschenko (NO). The NUe spectrum in the BW-model reaches the maximum at E maxNU = 8 MeV. Average energy of NUE Enu approx. = 10 MeV. The NO-model gives E maxNu = 10.5 MeV and Enu = 12.6 MeV. The NUE-burst duration is DELTA tauNU = 20s for the NO-model. As the black hole formation is the result of the star collapse in the BW-model, DELTA taunu is taken to be 5s.

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