Graphical Representation of CP Violation Effects in Neutrinoless Double Beta Decay

Abstract

We illustrate the graphical method that gives the constraints on the parameters appearing in the neutrino oscillation experiments and the neutrinoless double beta decay. This method is applicable in three and four generations. Though this method is valid for more general case, we examine explicitly the cases in which the CP violating factors take $\pm 1$ or $\pm i$ in the neutrinoless double beta decay for illustrative clearance. We also discuss some mass matrix models which lead to the above CP violating factors.

4pages, REVTeX, 5 Figures

References in corpus (4)

• Limits on Neutrino Oscillations from the CHOOZ Experiment
• Limits on the Majorana neutrino mass in the 0.1 eV range
• Large CP Violation, Large Mixings of Neutrinos and Democratic-type Neutrino Mass Matrix
• CP Violations in Lepton Number Violation Processes and Neutrino Oscillations

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• Double Beta Decay Constraints on Neutrino Masses and Mixing; Reanalysis with KamLAND Data