Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-11-20
Phys.Lett.B498:53-61,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
A typographical error is corrected. "3\sigma" is replaced by "2\sigma" everywhere
Scientific paper
10.1016/S0370-2693(00)01381-2
We study how well KamLAND, the first terrestrial neutrino experiment capable of addressing the solar neutrino problem, will perform in ascertaining whether or not the large mixing angle MSW solution (with $10^{-5}<\Delta m_{21}^2< 10^{-4} eV^2$ and oscillation amplitude $sin^2 2 \theta_{12}>0.3$) is correct. We find that in a year of operation KamLAND will provide unequivocal evidence for or against this solution. Furthermore, its sensitivity to the three-neutrino oscillation parameters in this region is sufficiently acute as to determine $\Delta m_{21}^2$ to approximately $\pm 10$ % (for $sin^2 2 \theta_{12}>0.7$) and to fix $sin^2 2 \theta_{12}$ to within $\pm 0.1$ (at the $2\sigma$ level) with three years of accumulated data, independent of the value of $\theta_{13}$.
Barger Vernon
Marfatia Danny
Wood Benjamin Philip
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