2004/01/25 by H. V. Klapdor‐Kleingrothaus, H. V. Klapdor-Kleingrothaus, Alexander Dietz +3 · 2 citations
Mathematics · Physics and Astronomy · #Astrophysics and Cosmic Phenomena #BETA (programming language) #Computer science #Data acquisition #Double beta decay #Duty cycle #Mathematics #Neutrino #Neutrino Physics Research #Nuclear physics #Particle physics theoretical and experimental studies #Physics #Statistics #hep-ph
paper · pdf · doi:10.1016/j.nima.2003.12.013
published as Nucl.Instrum.Meth.A522:371-406,2004 · Full 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
openalex publication_date 2004/01/25 · arxiv created 2004/03/04 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
Data 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.