Determination of neutrino incoming direction in the CHOOZ experiment and Supernova explosion location by scintillator detectors

Abstract

The CHOOZ experiment measured the antineutrino flux at a distance of about 1 Km from two nuclear reactors in order to detect possible neutrino oscillations with squared mass differences as low as 10**-3 eV**2 for full mixing. We show that the data analysis of the electron antineutrino events, collected by our liquid scintillation detector, locates the antineutrino source within a cone of half-aperture of about 18 degrees at the 68% C.L.. We discuss the implications of this experimental result for tracking down a supernova explosion.

Submitted to Physical Review D

References in corpus (2)

• The angular distribution of the reaction ${\bar{\nu }}_e+p\to e^{+}+n$
• Can a supernova be located by its neutrinos?

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