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HK: Fachverband Hadronen und Kerne

HK 39: Astroparticle Physics

HK 39.1: Eingeladener Gruppenbericht

Dienstag, 17. März 2009, 16:30–17:00, H-ZO 70

Nuclear physics aspects of double beta decay — •Jouni Suhonen — Department of Physics, University of Jyväskylä, P.O. Box 35 (YFL), FIN-40014, Jyväskylä, Finland

Since the verification of the existence of the neutrino mass by the neutrino-oscillation experiments the decay processes related to detection of the absolute mass scale of the neutrino and the neutrino mass hierarchy have become increasingly important subjects of study both in neutrino physics and nuclear physics. The most intriguing of these processes is the nuclear double beta decay which not only can access the absolute mass scale and the hierarchy of the neutrinos but can also reveal if the neutrino is its own antiparticle, a so-called Majorana neutrino. Nuclear-structure calculations are in the focus of this search for a precise value of the neutrino mass.