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Deppisch, F. F., Hirsch, M., & Pas, H. (2012). Neutrinoless double-beta decay and physics beyond the standard model. J. Phys. G, 39(12), 124007–23pp.
Abstract: Neutrinoless double-beta decay is the most powerful tool to probe not only for Majorana neutrino masses but for lepton number violating physics in general. We discuss relations between lepton number violation, double-beta decay and neutrino mass, review a general Lorentz-invariant parametrization of the double-beta decay rate, highlight a number of different new physics models showing how different mechanisms can trigger double-beta decay and, finally, discuss possibilities of discriminating and testing these models and mechanisms in complementary experiments.
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Das, S. P., Deppisch, F. F., Kittel, O., & Valle, J. W. F. (2012). Heavy neutrinos and lepton flavor violation in left-right symmetric models at the LHC. Phys. Rev. D, 86(5), 055006–20pp.
Abstract: We discuss lepton flavor violating processes induced in the production and decay of heavy right-handed neutrinos at the LHC. Such particles appear in left-right symmetrical extensions of the standard model as the messengers of neutrino mass generation, and can have masses at the TeV scale. We determine the expected sensitivity on the right-handed neutrino mixing matrix, as well as on the right-handed gauge boson and heavy neutrino masses. By comparing the sensitivity of the LHC with that of searches for low energy lepton flavor violating processes, we identify favorable areas of the parameter space to explore the complementarity between lepton flavor violating at low and high energies.
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