Measuring nuclear reaction cross sections to extract information on neutrinoless double beta decay
Cavallaro, M., Cappuzzello, F., Agodi, C., Acosta, L., Auerbach, N., Bellone, J., Bijker, R., Bonanno, D., Bongiovanni, D., Borello-Lewin, T., Boztosun, I., Branchina, V., Bussa, M. P., Calabrese, S., Calabretta, L., Calanna, A., Calvo, D., Carbone, D., Lomelí, E. C., . . . Zagatto, V.A.B. (2018). Measuring nuclear reaction cross sections to extract information on neutrinoless double beta decay. In A. Gargano, L. Coraggio, & N. Itaco (Eds.), 12th International Spring Seminar on Nuclear Physics: Current Problems and Prospects for Nuclear Structure, Proceedings (Article 012021). Institute of Physics Publishing. Journal of Physics: Conference Series, 966. https://doi.org/10.1088/1742-6596/966/1/012021
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Journal of Physics: Conference SeriesAuthors
Foti, A. |
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2018Copyright
© the Authors, 2018. This is an open access article distributed under the terms of the Creative Commons License.
Neutrinoless double beta decay (0vββ) is considered the best potential resource to access the absolute neutrino mass scale. Moreover, if observed, it will signal that neutrinos are their own anti-particles (Majorana particles). Presently, this physics case is one of the most important research "beyond Standard Model" and might guide the way towards a Grand Unified Theory of fundamental interactions.
Since the 0vββ decay process involves nuclei, its analysis necessarily implies nuclear structure issues. In the NURE project, supported by a Starting Grant of the European Research Council (ERC), nuclear reactions of double charge-exchange (DCE) are used as a tool to extract information on the 0vββ Nuclear Matrix Elements. In DCE reactions and ββ decay indeed the initial and final nuclear states are the same and the transition operators have similar structure. Thus the measurement of the DCE absolute cross-sections can give crucial information on ββ matrix elements. In a wider view, the NUMEN international collaboration plans a major upgrade of the INFN-LNS facilities in the next years in order to increase the experimental production of nuclei of at least two orders of magnitude, thus making feasible a systematic study of all the cases of interest as candidates for 0vββ.
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Except where otherwise noted, this item's license is described as © the Authors, 2018. This is an open access article distributed under the terms of the Creative Commons License.
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NURE : An ERC project to study nuclear reactions for neutrinoless double beta decay
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