Probing nonstandard interactions with reactor neutrinos

Barranco, Juan; Miranda, O. G.; Rashba, T. I.

doi:10.1016/j.nuclphysbps.2009.02.051

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Probing nonstandard interactions with reactor neutrinos

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Barranco, Juan
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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0810.5361
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PPB_Suppl.188_214.pdf
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Citation

Barranco, J., Miranda, O. G., & Rashba, T. I. (2009). Probing nonstandard interactions with reactor neutrinos. Nuclear Physics B. Proceedings Supplements, 188, 214-216. doi:10.1016/j.nuclphysbps.2009.02.051.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-BC5D-7

Abstract

New limits on the weak mixing angle and on the electron neutrino effective charge radius in the low energy regime, below 100 MeV, are obtained from a combined fit of all electron-(anti)neutrino electron elastic scattering measurements. We have included the recent TEXONO measurement with a CsI (Tl) detector. Only statistical error of this measurement has been taken into account. Weak mixing angle is found to be sin^2 theta_W = 0.255 +0.022 -0.023. The electron neutrino effective charge radius squared is bounded to be r^2 = (0.9 +0.9 -1.0) x 10^{-32} cm^2. The sensitivity of future low energy neutrino experiments to nonstandard interactions of neutrinos with quarks is also discussed.