Establishing a υμ,τt component in the solar neutrino flux

André De Gouvêa, Hitoshi Murayama

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

We point out that the recoil electron kinetic energy spectra in the υe elastic scattering are different for incident υe or υμ,τand hence one can in principle establish the existence of the or υμ,τ component in the solar neutrino flux by fitting the shape of the spectrum. This would be a new model-independent test of the solar neutrino oscillation in a single experiment, free from astrophysical and nuclear physics uncertainties. For the 7Be neutrinos, it is possible to determine the or υμ,τ component at BOREXINO or KamLAND, if the background is sufficiently low. Note that this effect is different from the distortion in the incident neutrino energy spectrum, which has been discussed in the literature.

Original languageEnglish (US)
Pages (from-to)3392-3395
Number of pages4
JournalPhysical review letters
Volume82
Issue number17
DOIs
StatePublished - Jan 1 1999

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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