Abstract
Theoretical studies are performed, providing a relation between heavy ion double charge exchange (DCE) cross section and \(\beta \beta \) strength, up to momentum transfers of 25–30 MeV. DCE reactions can be interpreted in terms of two correlated or uncorrelated single charge exchange processes, thus mimicking \(0\nu \beta \beta \) or \(2\nu \beta \beta \) decay, respectively. The dominance of the former mechanism would allow to gain information on \(0\nu \beta \beta \) strength, thus helping in improving neutrino effective mass evaluation.
Jessica I. Bellone, S. Burrello, Maria Colonna, Horst Lenske, José A. Lay Valera—for the NUMEN collaboration
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References
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Bellone, J.I., Burrello, S., Colonna, M., Lenske, H., Valera, J.A.L. (2019). First Steps Towards An Understanding of the Relation Between Heavy Ion Double Charge Exchange Nuclear Reactions and Double Beta Decays. In: García-Ramos, JE., Andrés, M., Valera, J., Moro, A., Pérez-Bernal, F. (eds) Basic Concepts in Nuclear Physics: Theory, Experiments and Applications. RÁBIDA 2018. Springer Proceedings in Physics, vol 225. Springer, Cham. https://doi.org/10.1007/978-3-030-22204-8_5
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DOI: https://doi.org/10.1007/978-3-030-22204-8_5
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