# 2.2. Determine Neutrino Mass¶

## 2.2.1. Experiments¶

The best fit values in 2014 for the angles in $$\pm 1\sigma$$ are

1. $$\sin^2\theta_{12}=0.307^{+ 0.018}_{-0.016}$$
2. $$\sin^2\theta_{23} = 0.386^{+0.024}_{-0.021}$$
3. $$0.0241\pm 0.0025$$.

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