Determining the flavour content of the low-energy solar neutrino flux

André De Gouvêa; Hitoshi Murayama

Determining the flavour content of the low-energy solar neutrino flux

André De Gouvêa^*, Hitoshi Murayama

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

We study the sensitivity of the HELLAZ and Borexino solar neutrino experiments on discriminating the neutrino species ν_e, ν̄_e, ν_μ,τ, ν̄_μ,τ, and ν_s using the difference in the recoil electron kinetic energy spectra in elastic neutrino-electron scattering. We find that one can observe a non-vanishing ν_μ,τ component in the solar neutrino flux, especially when the ν_e survival probability is low. Also, if the data turn out to be consistent with ν_e ↔ ν_μ,τ oscillations, a ν̄_e component can be excluded effectively.

Original language	English (US)
Pages (from-to)	14-21
Number of pages	8
Journal	Journal of High Energy Physics
Volume	4
Issue number	8 PART A
State	Published - Dec 1 2000

Keywords

Neutrino Physics
Solar and Atmospheric Neutrinos

ASJC Scopus subject areas

Nuclear and High Energy Physics

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abstract = "We study the sensitivity of the HELLAZ and Borexino solar neutrino experiments on discriminating the neutrino species νe, {\=ν}e, νμ,τ, {\=ν}μ,τ, and νs using the difference in the recoil electron kinetic energy spectra in elastic neutrino-electron scattering. We find that one can observe a non-vanishing νμ,τ component in the solar neutrino flux, especially when the νe survival probability is low. Also, if the data turn out to be consistent with νe ↔ νμ,τ oscillations, a {\=ν}e component can be excluded effectively.",

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AB - We study the sensitivity of the HELLAZ and Borexino solar neutrino experiments on discriminating the neutrino species νe, ν̄e, νμ,τ, ν̄μ,τ, and νs using the difference in the recoil electron kinetic energy spectra in elastic neutrino-electron scattering. We find that one can observe a non-vanishing νμ,τ component in the solar neutrino flux, especially when the νe survival probability is low. Also, if the data turn out to be consistent with νe ↔ νμ,τ oscillations, a ν̄e component can be excluded effectively.

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