The NUMEN Heavy Ion Multidetector for a Complementary Approach to the Neutrinoless Double Beta Decay
Author:
Finocchiaro PaoloORCID, Acosta LuisORCID, Agodi ClementinaORCID, Altana Carmen, Amador-Valenzuela Paulina, Boztosun IsmailORCID, Brasolin Sandro, Brischetto Giuseppe A., Brunasso Oscar, Calabrese Salvatore, Calabretta Luciano, Calvo Daniela, Capirossi Vittoria, Cappuzzello FrancescoORCID, Carbone Diana, Cavallaro ManuelaORCID, Chávez Lomeli Efrain R.ORCID, Ciraldo Irene, D’Agostino Grazia, Delaunay FranckORCID, Djapo Haris, Ferraresi Carlo, Fisichella Maria, Flechas Garcia David C., Iazzi Felice, La Fauci Laura, Lanzalone Gaetano, La Via FrancescoORCID, Linares RobertoORCID, Medina Nilberto H.ORCID, Mereu Paulo, Moralles MauricioORCID, Oliveira Josè R. B.ORCID, Pandola LucianoORCID, Pappalardo Alfio, Petrascu Horia, Pinna Federico, Russo Antonio D., Sartirana Diego, Sgouros OnoufriosORCID, Solakci Selcuk Oktay, Soukeras VasilisORCID, Spatafora Alessandro, Torresi Domenico, Tudisco SalvatoreORCID, Yildirim Aydin, Zagatto Vinicius A. B.
Abstract
Neutrinos are so far the most elusive known particles, and in the last decades many sophisticated experiments have been set up in order to clarify several questions about their intrinsic nature, in particular their masses, mass hierarchy, intrinsic nature of Majorana or Dirac particles. Evidence of the Neutrinoless Double-Beta Decay (NDBD) would prove that neutrinos are Majorana particles, thus improving the understanding of the universe itself. Besides the search for several large underground experiments for the direct experimental detection of NDBD, the NUMEN experiment proposes the investigation of a nuclear mechanism strongly linked to this decay: the Double Charge Exchange reactions (DCE). As such reactions share with the NDBD the same initial and final nuclear states, they could shed light on the determination of the Nuclear Matrix Elements (NMEs), which play a relevant role in the decay. The physics of DCE is described elsewhere in this issue, while the focus of this paper will be on the challenging experimental apparatus currently under construction in order to fulfil the requirements of the NUMEN experiment. The overall structure of the technological improvement to the cyclotron, along with the newly developed detection systems required for tracking and identifying the reaction products and their final excitation level are described.
Funder
Horizon 2020 Framework Programme
Subject
General Physics and Astronomy
Cited by
28 articles.
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