Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-10-30
Nucl.Phys.Proc.Suppl.188:214-216,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
3 pages, 2 figures, talk given at the Neutrino Oscillation Workshop (NOW 2008), Otranto, Italy, September 6-13, 2008. Misprint
Scientific paper
10.1016/j.nuclphysbps.2009.02.05
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.
Barranco Joe
Miranda Omar Gustavo
Rashba Timur I.
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