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Short-range correlations and neutrinoless double beta decay
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In this work we report on the effects of short-range correlations upon the matrix elements of neutrinoless double beta decay. We focus on the calculation of the matrix elements of the neutrino-mass mode of neutrinoless double beta decays of 48Ca and 76Ge. The nuclear-structure components of the calculation, that is the participant nuclear wave functions, have been calculated in the shell-model scheme for 48Ca and in the proton-neutron quasiparticle random-phase approximation (pnQRPA) scheme for 76Ge. We compare the traditional approach of using the Jastrow correlation function with the more complete scheme of the unitary correlation operator method (UCOM). Our results indicate that the Jastrow method vastly exaggerates the effects of short-range correlations on the neutrinoless double beta decay nuclear matrix elements.
Forward citations
Cited by 2 Pith papers
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Sensitivity of neutrinoless double beta decays from a combined analysis of ground and excited states
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Sensitivity of neutrinoless double beta decays from a combined analysis of ground and excited states
A multi-channel analysis of ground and excited state 0νββ transitions could enhance the discovery potential of next-generation liquid xenon experiments.
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