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On the possibility of detecting solar neutrinos with an 115In detector

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The inverse β-decay of 115In provides a low-threshold direct-counting neutrino detector. Unfortunately, the radioactive background due to 115In β-decay may be a very grave obstacle in the development of a detector for pp solar neutrinos. We suggest that this background can be efficiently suppressed in searches for higher energy solar neutrinos, e.g. from Be, p-e-p and 8B. A signal/background ratio of 10-30 is expected. It may be possible to have a count rate of 0.2 events/d with a detector consisting of 10 tons of indium and about 15 m3 of liquid xenon. Unfortunately, pp neutrinos cannot be detected in this set-up.

OriginalsprogEngelsk
TidsskriftNuclear Inst. and Methods in Physics Research, A
Vol/bind239
Udgave nummer3
Sider (fra-til)605-622
Antal sider18
ISSN0168-9002
DOI
StatusUdgivet - 15 sep. 1985

ID: 237366441