Establishing a νμ,τ component in the solar neutrino flux

被引：10

作者：

de Gouvêa, A ^{[1
]}

Murayama, H

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Theoret Phys Grp, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.82.3392

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We point out that the recoil electron kinetic energy spectra in the v-epsilon elastic scattering are different for incident nu(e) or nu(mu,tau), and hence one can in principle establish the existence of the nu(mu,tau) 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 Be-7 neutrinos, it is possible to determine the nu(mu,tau) 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.

引用

页码：3392 / 3395

页数：4

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