Study of the one-neutron transfer reaction in 18O + 76Se collision at 275 MeV in the context of the NUMEN project
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Journal of Physics: Conference Series
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Heavy-ion one-nucleon transfer reactions are promising tools to investigate singleparticle configurations in nuclear states, with and without the excitation of the core degrees
of freedom. An accurate determination of the spectroscopic amplitudes of these configurations
is essential for the study of other direct reactions as well as beta-decays. In this context, the
76Se(18O,17O)77Se one-neutron transfer reaction gives a quantitative access to the relevant single
particle orbitals and core polarization transitions built on 76Se. This is particularly relevant,
since it provides data-driven information to constrain nuclear structure models for the 76Se
nucleus.
The excitation energy spectrum and the differential cross section angular distributions of this
nucleon transfer reaction was measured at 275 MeV incident energy for the first time using the
MAGNEX large acceptance magnetic spectrometer. The data are compared with calculations
based on distorted wave Born approximation and coupled channel Born approximation adopting
spectroscopic amplitudes for the projectile and target overlaps derived by large-scale shell model
calculations and interacting boson-fermion model.
These reactions are studied in the frame of the NUMEN project. The NUMEN (NUclear Matrix
Elements for Neutrinoless double beta decay) project was conceived at the Istituto Nazionale di
Fisica Nucleare–Laboratori Nazionali del Sud (INFN-LNS) in Catania, Italy, aiming at accessing
information about the nuclear matrix elements (NME) of neutrinoless double beta decay (0νββ)
through the study of the heavy-ion induced double charge exchange (DCE) reactions on various
0νββ decay candidate targets. Among these, the 76Se nucleus is under investigation since it is
the daughter nucleus of 76Ge in the 0νββ decay process.
Como referenciar
CIRALDO, IRENE; CAPPUZZELLO, F.; CAVALLARO, M.; CARBONE, D.; BURRELLO, S.; SPATAFORA, A.; GARGANO, A.; DE GREGORIO, G.; MAGANA VSEVOLODOVNA, R.I.; ACOSTA, L.; AGODI, C.; AMADOR-VALENZUELA, P.; BORELLO-LEWIN, T.; BRISCHETTO, G.A.; CALABRESE, S.; CALVO, D.; CAPIROSSI, V.; CHAVEZ LOMELI, E.R.; COLONNA, M.; DELAUNAY, F.; DJAPO, H.; EKE, C.; FINOCCHIARO, P.; FIRAT, S.; FISICHELLA, M.; FOTI, A.; HACISALIHOGLU, A.; IAZZI, F.; LA FAUCI, L.; LINARES, R.; MEDINA, N.H.; MORALLES, M.; OLIVEIRA, J.R.B.; PAKOU, A.; PANDOLA, L.; PETRASCU, H.; PINNA, F.; RUSSO, G.; SANTOPINTO, E.; SGOUROS, O.; GUAZZELLI, M.A.; SOLAKCI, S.O.; SOUKERAS, V.; SOULIOTIS, G.; TORRESI, D.; TUDISCO, S.; YILDIRIM, A.; ZAGATTO, V.A.B. Study of the one-neutron transfer reaction in 18O + 76Se collision at 275 MeV in the context of the NUMEN project. Journal of Physics: Conference Series, v. 2453, p. 1-8, 2023. DOI: 10.1088/1742-6596/2453/1/012013. Disponível em: http://repositorio.ipen.br/handle/123456789/34099. Acesso em: 20 Mar 2026.
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