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SUMMARY:Recent results on nuclear reactions of interest for neutrinoless d
 ouble beta decay at INFN-LNS within the NUMEN project
DTSTART;VALUE=DATE-TIME:20200227T090000Z
DTEND;VALUE=DATE-TIME:20200227T093000Z
DTSTAMP;VALUE=DATE-TIME:20260516T115332Z
UID:indico-contribution-1545@indico.tlabs.ac.za
DESCRIPTION:Speakers: Manuela Cavallaro (INFN - LNS)\nResearches on neutri
 noless double beta decay have crucial implications on particle physics\, c
 osmology and fundamental physics. It is likely the most promising process 
 to access the absolute neutrino mass scale. To determine quantitative info
 rmation from the possible measurement of the 0νββ decay half-lives\, th
 e knowledge of the Nuclear Matrix Elements (NME) involved in such transiti
 ons is mandatory. The use heavy-ion induced double charge exchange (DCE) r
 eactions as tools towards the determination of information on the NME is o
 ne of the goals of the NUMEN and the NURE projects. The basic point is tha
 t there are a number of similarities between the two processes\, mainly th
 at the initial and final state wave functions are the same and the transit
 ion operators are similar\, including in both cases a superposition of Fer
 mi\, Gamow-Teller and rank-two tensor components. \nThe availability of th
 e MAGNEX magnetic spectrometer for the measurements of the very suppressed
  DCE reaction channels is essential to obtain high resolution energy spect
 ra and accurate cross sections at forward angles including zero degree. Th
 e measurement of the competing multi-nucleon transfer processes allows to 
 study their contribution and to constrain the theoretical calculations. \n
 An experimental campaign is ongoing at INFN-Laboratori Nazionali del Sud (
 Italy) to explore medium-heavy ion induced reactions on target of interest
  for 0νββ decay. \nRecent results obtained by the (20Ne\,20O) and (18O\
 ,18Ne) DCE reactions and competing channels\, measured for the first time 
 using a 20Ne(10+) and 18O(8+) cyclotron beams at 15 AMeV will be presented
  at the conference.  A preliminary analysis of the double charge exchange 
 channel in comparison with the competitive multi-nucleon transfer channels
  will also be shown and commented.\n\nhttps://indico.tlabs.ac.za/event/85/
 contributions/1545/
LOCATION:Main Venue
URL:https://indico.tlabs.ac.za/event/85/contributions/1545/
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