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The NUMEN project: heavy-ions double charge exchange reactions towards $0 \nu\beta\beta$ NME determination.

C. Agodi per la Collaborazione NUMEN
  Giovedì 14/09   16:00 - 19:00   Aula A208   I - Fisica nucleare e subnucleare
NUMEN proposes an innovative technique to access the nuclear matrix elements, entering the expression of the life time of neutrinoless double beta decay (0$\nu\beta\beta$), by cross sections measurements of double charge exchange reactions. If detected, $0\nu\beta\beta$ would give direct evidence to the Majorana-nature of the neutrino and will provide the measurement of the average neutrino mass. A key aspect of the project is the use at Laboratori Nazionali del Sud of the Superconducting Cyclotron for the acceleration of the required high-resolution and low-emittance heavy-ion beams and of MAGNEX large-acceptance magnetic spectrometer for the detection of the ejectiles. Preliminary tests and experimental results are reported.