Dedicated Supernova Detection by a Network of Neutral Current Spherical TPC's

Details Dedicated Supernova Detection by a Network of Neutral Current Spherical TPC's Dedicated Supernova Detection by a Network of Neutral Current Spherical TPC's

2005-11-16

arxiv.org/abs/astro-ph/0511470v1

Phys.Atom.Nucl.70:140-149,2007

Astronomy and Astrophysics

Astrophysics

10 LaTex pages, 11 post script figures. To appear in the proceedings of NANP05, Dubna, Russia

Scientific paper

10.1134/S1063778807010164

Supernova neutrinos can easily be detected by a spherical gaseous TPC detector measuring very low energy nuclear recoils. The expected rates are quite large for a neutron rich target since the neutrino nucleus neutral current interaction yields a coherent contribution of all neutrons. As a matter of fact for a typical supernova at 10 kpc, about 1000 events are expected using a spherical detector of radius 4 m with Xe gas at a pressure of 10 Atm. A world wide network of several such simple, stable and low cost supernova detectors with a running time of a few centuries is quite feasible.

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