Journal
PHYSICAL REVIEW LETTERS
Volume 120, Issue 13, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.132503
Keywords
-
Categories
Funding
- German Federal Ministry for Education and Research (BMBF)
- German Research Foundation (DFG) via the Excellence Cluster Universe
- Italian Istituto Nazionale di Fisica Nucleare (INFN)
- Max Planck Society (MPG)
- Polish National Science Centre (NCN)
- Foundation for Polish Science [TEAM/2016-2/2017]
- Russian Foundation for Basic Research (RFBR)
- Swiss National Science Foundation (SNF)
- European Union's Horizon research and innovation programme under the Marie Sklodowska-Curie Grant [690575, 674896]
- [SFB1258]
Ask authors/readers for more resources
The GERDA experiment searches for the lepton-number-violating neutrinoless double-ss decay of Ge-76 (Ge-76 -> Se-76 thorn 2e(-)) operating bare Ge diodes with an enriched Ge-76 fraction in liquid argon. The exposure for broad-energy germanium type (BEGe) detectors is increased threefold with respect to our previous data release. The BEGe detectors feature an excellent background suppression from the analysis of the time profile of the detector signals. In the analysis window a background level of 1.0(-0.4)(+0.6) x 10(-3) counts/(keV kg yr) has been achieved; if normalized to the energy resolution this is the lowest ever achieved in any 0 nu ss ss experiment. No signal is observed and a new 90% C.L. lower limit for the half-life of 8.0 x 10(25) yr is placed when combining with our previous data. The expected median sensitivity assuming no signal is 5.8 x 10(25) yr.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available