Detection of solar neutrinos in superfluid helium

Details Detection of solar neutrinos in superfluid helium Detection of solar neutrinos in superfluid helium

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvl..58.2498l&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 58, June 8, 1987, p. 2498-2501. DOE-supported research.

Other

61

Elastic Scattering, Helium, Low Temperature, Solar Neutrinos, Solar Spectra, Superfluidity, Phonons, Radioactivity, Specific Heat

Scientific paper

A new method for detecting solar neutrinos and other weakly interacting particles is proposed and described. The detector consists of a large mass of superfluid helium at low temperatures (20 mK). When a neutrino is scattered off an electron, the recoil energy of the electron (10-6 to 10-7erg) is deposited in the helium. This small amount of energy can be detected because of the unusual kinetics of rotons at low temperatures. It should be possible to construct a detector of sufficiently low background and large size to measure solar neutrino spectra.

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