Supernova Relic Neutrinos in Liquid Argon detectors

Details Supernova Relic Neutrinos in Liquid Argon detectors Supernova Relic Neutrinos in Liquid Argon detectors

2004-08-03

arxiv.org/abs/hep-ph/0408031v2

JCAP 0412 (2004) 002

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1088/1475-7516/2004/12/002

We study the possibility of detecting the background of Supernova Relic Neutrinos (SRN) with liquid Argon Time Projection Chamber (TPC) detectors. As far as this study is concerned, these experimental devices are mainly sensitive to electron neutrino signals, and could provide further information on both Supernova explosion mechanism and on star formation rate at redshifts z <2. We study in details the main contributions to background in the relevant energy range from 8B and hep solar neutrinos as well as from low energy atmospheric neutrino fluxes. Depending on the theoretical prediction for the SRN flux we find that for a 3 kton and a 100 kton liquid Argon TPC detectors the signal may be observed at the 1 sigma and 4 sigma level, respectively, with 5 years of data taking.

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