Deutsch
 
Hilfe Datenschutzhinweis Impressum
  DetailsucheBrowse

Datensatz

DATENSATZ AKTIONENEXPORT

Freigegeben

Zeitschriftenartikel

New Monte-Carlo simulation of the HEIDELBERG-MOSCOW double beta decay experiment

MPG-Autoren
/persons/resource/persons30421

Dörr,  C.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30685

Klapdor-Kleingrothaus,  H. V.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

Externe Ressourcen
Es sind keine externen Ressourcen hinterlegt
Volltexte (beschränkter Zugriff)
Für Ihren IP-Bereich sind aktuell keine Volltexte freigegeben.
Volltexte (frei zugänglich)
Es sind keine frei zugänglichen Volltexte in PuRe verfügbar
Ergänzendes Material (frei zugänglich)
Es sind keine frei zugänglichen Ergänzenden Materialien verfügbar
Zitation

Dörr, C., & Klapdor-Kleingrothaus, H. V. (2003). New Monte-Carlo simulation of the HEIDELBERG-MOSCOW double beta decay experiment. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 513(3), 596-621.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0011-81AE-3
Zusammenfassung
Based on the Monte-Carlo package GEANT4 a new simulation of the complete background spectrum of the HEIDELBERG-MOSCOW experiment which operates five enriched 76Ge detectors in a low background environment in the Gran Sasso underground laboratory was performed. The resulting background model is used to evaluate the signal of the two neutrino accompanied double beta decay with a statistical significance of 41.57 kgyear resulting in a half-life of T1/2=(1.74±0.01(stat)-0.16+0.18 (syst))×1021 years. Using GEANT4 a simulation of elastic and inelastic neutron reactions has been performed for the first time and is used to estimate the contribution of the neutron flux in the Gran Sasso underground laboratory to the experimental spectrum. The composition of the background in the energy range from 2000 to 2100 keV around the Q value for neutrinoless double beta decay is discussed in some detail.