Search of Neutrinoless Double Beta Decay with the GERDA Experiment
Giovanni Benato (for the GERDA Collaboration)
TL;DR
The GERDA experiment searched for neutrinoless double beta decay in germanium-76, setting new lower limits on the process's half-life and upgrading its setup for improved future sensitivity.
Contribution
This paper reports the first data collection results of GERDA and details the hardware upgrade for Phase II to enhance detection capabilities.
Findings
No signal excess observed
Lower limit on half-life set at 2.1x10^25 years
Hardware upgrade prepared for Phase II
Abstract
The Gerda experiment designed to search for the neutrinoless double beta decay in 76Ge has successfully completed the first data collection. No signal excess is found, and a lower limit on the half life of the process is set, with T1/2 > 2.1x10^25 yr (90% CL). After a review of the experimental setup and of the main Phase I results, the hardware upgrade for Gerda Phase II is described, and the physics reach of the new data collection is reported.
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Taxonomy
TopicsNeutrino Physics Research · Particle physics theoretical and experimental studies · Dark Matter and Cosmic Phenomena