Measuring nuclear reaction cross sections to extract information on neutrinoless double beta decay

M. Cavallaro, F. Cappuzzello, C. Agodi, L. Acosta, N. Auerbach, J. Bellone, R. Bijker, D. Bonanno, D. Bongiovanni, T. Borello-Lewin, I. Boztosun, V. Branchina, M. P. Bussa, S. Calabrese, L. Calabretta, A. Calanna, D. Calvo, D. Carbone, E. R. Chávez Lomelí, A. CobanM. Colonna, G. D'Agostino, G. De Geronimo, F. Delaunay, N. Deshmukh, P. N. De Faria, C. Ferraresi, J. L. Ferreira, P. Finocchiaro, M. Fisichella, A. Foti, G. Gallo, U. Garcia, G. Giraudo, V. Greco, A. Hacisalihoglu, J. Kotila, F. Iazzi, R. Introzzi, G. Lanzalone, A. Lavagno, F. La Via, J. A. Lay, H. Lenske, R. Linares, G. Litrico, F. Longhitano, D. Lo Presti, J. Lubian, N. Medina, D. R. Mendes, A. Muoio, J. R.B. Oliveira, A. Pakou, L. Pandola, H. Petrascu, F. Pinna, S. Reito, D. Rifuggiato, M. R.D. Rodrigues, A. D. Russo, G. Russo, G. Santagati, E. Santopinto, O. Sgouros, S. O. Solakci, G. Souliotis, V. Soukeras, A. Spatafora, D. Torresi, S. Tudisco, R. I.M. Vsevolodovna, R. J. Wheadon, A. Yildirin, V. A.B. Zagatto

Research output: Contribution to journalConference articlepeer-review

Abstract

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.

Original languageEnglish
Article number012021
JournalJournal of Physics: Conference Series
Volume966
Issue number1
DOIs
StatePublished - 22 Feb 2018
Event12th International Spring Seminar on Nuclear Physics: Current Problems and Prospects for Nuclear Structure - Ischia, Italy
Duration: 15 May 201719 May 2017

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