Data Acquisition and Analysis of the 76Ge Double Beta Experiment in Gran Sasso 1990-2003

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dc.creatorKlapdor-Kleingrothaus, H. V.
dc.creatorDietz, A.
dc.creatorKrivosheina, I. V.
dc.creatorChkvorets, O.
dc.date2004-03-01
dc.date2004-03-04
dc.date.accessioned2026-07-07T10:29:05Z
dc.date.available2026-07-07T10:29:05Z
dc.descriptionData acquisition in a long running underground experiment has its specific experimental challenges, concerning data acquisition, stability of the experiment and background reduction. These problems are addressed here for the HEIDELBERG-MOSCOW experiment, which collected data in the period August 1990 - May 2003. The measurement and the analysis of the data is presented. The duty cycle of the experiment was ~80%, the collected statistics is 71.7 kgy. 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 a 4 sigma level.
dc.descriptionFull version (50 pages, 36 figures, 9 tables), zipped ps file (size ~21MB or pdf format (size ~26MB), can be found in http://www.mpi-hd.mpg.de/non_acc/super.html (corrected typos) In press in NIM A, 2004
dc.identifierhttps://arxiv.org/abs/hep-ph/0403018
dc.identifierhttp://arxiv.org/abs/hep-ph/0403018
dc.identifierNucl.Instrum.Meth.A522:371-406,2004
dc.identifierdoi:10.1016/j.nima.2003.12.013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177676
dc.subjectHigh Energy Physics - Phenomenology
dc.titleData Acquisition and Analysis of the 76Ge Double Beta Experiment in Gran Sasso 1990-2003
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