Excited State Transitions in Double Beta Decay: A brief Review
Institut für Kern- und Teilchenphysik, Technische Universität Dresden, Dresden, Germany
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Published online: 28 May 2015
Neutrinoless double beta decays requires lepton number violation and provide an important probe for physics beyond the Standard Model. Nuclear matrix elements (NME) are needed to connect the half-life of the decay with the neutrino mass. The calculation of these NME depends on nuclear models and is subject to large uncertainties. 0vββ and 2vββ decays can also occur into excited states. Especially the 2vββ excited state transitions are accessible in current experiments and together with the ground state transitions provide an important cross check for nuclear model calculations.
This contribution will present the current experimental status of excited state transitions in double beta decay isotopes.
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