Heavy-ion induced double charge exchange reaction in a multi-channel approach: The research program of the NUMEN project

¹ Dipartimento di Fisica e Astronomia “Ettore Majorana”, Università di Catania, Catania, Italy
² Istituto Nazionale di Fisica Nucleare – Laboratori Nazionali del Sud, Catania, Italy
³ Institut für Theoretische Physik, Justus-Liebig-Universität Giessen, 35392 Gießen, Germany
⁴ School of Physics and Astronomy Tel Aviv University, Tel Aviv, Israel
⁵ Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Mexico City, Mexico
⁶ Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Italy
⁷ Dipartimento di Matematica e Fisica, Università della Campania “Luigi Vanvitelli”, Caserta, Italy
⁸ Instituto de Física, Universidade Federal Fluminense, Niterói, Brazil
⁹ Istituto Nazionale di Fisica Nucleare, Sezione di Genova, Italy
¹⁰ Departamento de FAMN, University of Seville, Spain
¹¹ Instituto Carlos I de Física Teórica y Computacional, University of Seville, Spain

^* e-mail: cappuzzello@lns.infn.it

Published online: 8 October 2024

Abstract

We give an updated view of the status and prospects of heavy-ion double charge exchange (HI-DCE) reaction studies performed at the Laboratori Nazionali del Sud of the Istituto Nazionale di Fisica Nucleare (INFN-LNS) in the context of the NUMEN project. The important role of HI-DCE for nuclear reaction, nuclear structure and double beta-decay investigations is outlined. A powerful way to scrutinize the nuclear response to HI-DCE is to consistently link it to the information extracted from the competing direct reactions pointing to a multi-channel description of the whole network of quasi-elastic processes. Indeed, these complementary studies are mandatory in order to minimize the systematic errors in the data analyses and build a many-facets and parameter-free representation of the systems under study.