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Contrasting solar and reactor neutrinos with a non-zero value of θ13

A B Balantekin and D Yilmaz1

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When solar neutrino and KamLAND data are analyzed separately one finds that, even though allowed regions of neutrino parameters overlap, the values of δm2 and the mixing angle θ12 at the χ2 minima are different. We show that a non-zero, but small value of the angle θ13 can account for this behavior. From the joint analysis of solar neutrino and KamLAND data we find the best fit value of sin213 = 0.01−0.01+0.09.


PACS

96.50.sb Composition, energy spectra and interactions

14.60.Pq Neutrino mass and mixing

95.30.Cq Elementary particle processes

96.60.Jw Solar interior

96.60.Vg Particle emission, solar wind

96.50.Vg Energetic particles

Subjects

Particle physics and field theory

Astrophysics and astroparticles

Dates

Issue 7 (July 2008)

Received 15 April 2008

Published 23 May 2008



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