Limits on Sensitivity of Large Silicon Bolometers for Solar Neutrino Detection

Estimates are given for ultimate limits on background in proposed direct-counting measurements of neutrino scattering from large silicon crystals. Methods of background reduction are discussed. In the best case, the limiting backgrounds due to activities from cosmic-ray spallation of silicon would b...

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Published inScience (American Association for the Advancement of Science) Vol. 237; no. 4814; pp. 507 - 509
Main Author Martoff, C. J.
Format Journal Article
LanguageEnglish
Published United States The American Association for the Advancement of Science 31.07.1987
American Association for the Advancement of Science
Subjects
Atoms & subatomic particles
Bolometers
Design and construction
Germanium
Impurities
Materials
Minerals
Neutrinos
Neutrons
Observations
Radionuclides
Scientific equipment
Scientific equipment and supplies
Silicon
Silicon diodes
Solar energy
Solar neutrinos
Spallation
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Summary:Estimates are given for ultimate limits on background in proposed direct-counting measurements of neutrino scattering from large silicon crystals. Methods of background reduction are discussed. In the best case, the limiting backgrounds due to activities from cosmic-ray spallation of silicon would be less than the expected true event rate for reactor neutrino measurements of coherent neutral-current scattering from silicon nuclei. Considerable reduction of the estimated high-energy backgrounds would be required for a good signal-to-noise ratio in solar neutrino detection.
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ISSN:0036-8075
1095-9203
DOI:10.1126/science.237.4814.507