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Support of Evidence for Neutrinoless Double Beta Decay
H. V. Klapdor-Kleingrothaus, A. Dietz, I. V. Krivosheina +2
Indirect support for the evidence of neutrinoless double beta decay reported recently, is obtained by analysis of other Ge double beta experiments, which yield independent informat…
First 10 kg of Naked Germanium Detectors in Liquid Nitrogen installed in the GENIUS-Test-Facility
H. V. Klapdor-Kleingrothaus, O. Chkvorez, I. V. Krivosheina +2
The first four naked high purity Germanium detectors were installed successfully in liquid nitrogen in the GENIUS-Test-Facility (GENIUS-TF) in the GRAN SASSO Underground Laboratory…
Measurement of the 214Bi spectrum in the energy region around the Q-value of 76Ge neutrinoless double-beta decay
H. V. Klapdor-Kleingrothaus, O. Chkvorez, I. V. Krivosheina +1
In this work we present the results obtained measuring the 214Bi spectrum from a 226Ra source with a high purity germanium detector. Our attention was mostly focused on the energy…
Background Analysis around Q_(beta-beta) for 76Ge Double Beta Decay experiments, and Statistics at Low Count Rates
H. V. Klapdor-Kleingrothaus, A. Dietz, I. V. Krivosheina +2
The background in the region of the Q-value for neutrinoless double beta decay of 76Ge has been investigated by different methods: Simulation with GEANT 4 of the HEIDELBERG-MOSCOW…
Searching for the Annual Modulation of Dark Matter signal with the GENIUS-TF experiment
C. Tomei, A. Dietz, I. Krivosheina +1
The annual modulation of the recoil spectrum observed in an underground detector is well known as the main signature of a possible WIMP signal. The GENIUS-TF experiment, under cons…
Status of Evidence for Neutrinoless Double Beta Decay
H. V. Klapdor-Kleingrothaus, A. Dietz, I. V. Krivosheina
The present experimental status in the search for neutrinoless double beta decay is reviewed, with emphasis on the first indication for neutrinoless double beta decay found in the…
First Evidence for Neutrinoless Double Beta Decay
H. V. Klapdor-Kleingrothaus
Double beta decay is indispensable to solve the question of the neutrino mass matrix together with oscillation experiments. Recent analysis of the most sensitive experiment sin…