Study of the double Gamow-Teller transitions using the shell model approach
School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
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Published online: 14 November 2018
The double Gamow-Teller strength distributions in the lightest double beta-decay candidate 48Ca and its isotope 46Ca were calculated using the nuclear shell model by applying the single Gamow-Teller operator two times sequentially on the ground state of parent nucleus. The nuclear matrix element of the double Gamow- Teller transition from the ground state to the ground state that goes into the double beta decay calculation was shown as a small fraction of the total transition.
© The Authors, published by EDP Sciences, 2018
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