Search for neutrinoless double beta decay with enriched 76Ge in Gran Sasso 1990-2003

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dc.creatorKlapdor-Kleingrothaus, H. V.
dc.creatorKrivosheina, I. V.
dc.creatorDietz, A.
dc.creatorChkvorets, O.
dc.date2004-04-08
dc.date.accessioned2026-07-07T10:29:07Z
dc.date.available2026-07-07T10:29:07Z
dc.descriptionThe results of the HEIDELBERG-MOSCOW experiment which searches with 11 kg of enriched 76Ge for double beta decay in the GRAN Sasso underground laboratory are presented for the full running period August 1990 - May 2003. The duty cycle of the experiment was ~80%, the collected statistics is 71.7 kg y. The background achieved in the energy region of the Q value for double beta decay is 0.11 events/ kg y keV. The two-neutrino accompanied half-life is determined on the basis of more than 100 000 events. The confidence level for the neutrinoless signal has been improved to 4.2 sigma.
dc.description19 pages, latex, 9 figures, 2 tables
dc.identifierhttps://arxiv.org/abs/hep-ph/0404088
dc.identifierhttp://arxiv.org/abs/hep-ph/0404088
dc.identifierPhys.Lett.B586:198-212,2004
dc.identifierdoi:10.1016/j.physletb.2004.02.025
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177689
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSearch for neutrinoless double beta decay with enriched 76Ge in Gran Sasso 1990-2003
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