Bulletin of the American Physical Society
2009 APS April Meeting
Volume 54, Number 4
Saturday–Tuesday, May 2–5, 2009; Denver, Colorado
Session C2: The State of Neutrino Physics |
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Sponsoring Units: DPF Chair: Janet Conrad, Massachusetts Institute of Technology Room: Plaza D |
Saturday, May 2, 2009 1:30PM - 2:06PM |
C2.00001: The State of the Neutrino Mass Spectrum Invited Speaker: The discovery of neutrino flavor oscillation has definitively shown that neutrinos have non-zero mass, in contradiction to the Standard Model of particle physics. However, oscillation experiments can only reveal the differences between the mass states, not the absolute values of the masses. A full understanding of neutrino mass requires a broad suite of experiments. Measuring the absolute mass values of neutrinos is of fundamental importance to particle physics, astrophysics and cosmology. In this talk, we will review the current state of neutrino mass measurements from neutrino oscillation experiments, beta decay endpoint experiments and neutrinoless double beta decay searches. [Preview Abstract] |
Saturday, May 2, 2009 2:06PM - 2:42PM |
C2.00002: Some Recent Developments in Theoretical Neutrino Physics Invited Speaker: This abstract is not available. [Preview Abstract] |
Saturday, May 2, 2009 2:42PM - 3:18PM |
C2.00003: The State of the Neutrino Mixing Matrix Invited Speaker: The observation of neutrino flavor oscillation proves that the neutrino must have mass and implies that the description of the neutrino does not just involve the three familar neutrino states, $\nu_{e}$, $\nu_{\mu}$, and $\nu_{\tau}$, but must also incorporate mass states, $\nu_{1}$, $\nu_{2}$, and $\nu_{3}$, which are related to the flavor states by a mixing matrix. By measuring each of the elements of the mixing matrix, neutrino physicists rigorously test the physics behind neutrino oscillations, probe physics beyond our current understanding, and could uncover charge-parity violation in the neutrino sector. Violation of this symmetry is an important component of the nature of the weak interaction and is hoped to explain the observed excess of matter over antimatter in our Universe. In this talk, we review the accelerator and reactor experiments that provide measurements of the elements of the mixing matrix and review the prospects of future experiments to measure the remaining unknown elements. [Preview Abstract] |
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