Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-12-02
Phys.Atom.Nucl. 67 (2004) 1076-1083; Yad.Fiz. 67 (2004) 1104-1111
Physics
High Energy Physics
High Energy Physics - Phenomenology
Talk given at 4th International Conference on Nonaccelerator New Physics (NANP 03), Dubna, Russia, 23-28 Jun 2003
Scientific paper
10.1134/1.1772440
We explore the impact of the data from the KamLAND experiment in constraining neutrino mass and mixing angles involved in solar neutrino oscillations. In particular we discuss the precision with which we can determine the the mass squared difference $\Delta m^2_{solar}$ and the mixing angle $\theta_{solar}$ from combined solar and KamLAND data. We show that the precision with which $\Delta m^_{solar}$ can be determined improves drastically with the KamLAND data but the sensitivity of KamLAND to the mixing angle is not as good. We study the effect of enhanced statistics in KamLAND as well as reduced systematics in improving the precision. We also show the effect of the SNO salt data in improving the precision. Finally we discuss how a dedicated reactor experiment with a baseline of 70 km can improve the $\theta_{solar}$ sensitivity by a large amount.
Bandyopadhyay Abhijit
Choubey Sandhya
Goswami Srubabati
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