Abstract
We have seen in the previous sections that neutrino oscillation experiments allow us to obtain the values only of the neutrino mass-squared differences. Information about the absolute value of the neutrino mass can be inferred from experiments which are based on the measurement of the neutrino mass via the kinematics of a decay.
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We have \(p_{\mu}=\sum_{i}|U_{\mu i}|^{2}p_{i}\simeq \frac{1}{2}m_{\pi}(1-r)-\frac{1+r}{1-r} \frac{m^{2}_{\nu_\mu}}{2 m_{\pi}}\), where \(r=\frac{m_{\mu}^{2}}{m_{\pi}^{2}}\). The effective mass-squared of ν μ is given by the relation \(m^{2}_{\nu_\mu}=\sum_{i}|U_{\mu i}|^{2}m^{2}_{i}.\)
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© 2011 Springer-Verlag Berlin Heidelberg
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Bilenky, S. (2011). On absolute Values of Neutrino Masses. In: Introduction to the Physics of Massive and Mixed Neutrinos. Lecture Notes in Physics, vol 817. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14043-3_9
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DOI: https://doi.org/10.1007/978-3-642-14043-3_9
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-14042-6
Online ISBN: 978-3-642-14043-3
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