Results on neutrinoless double beta decay of 76Ge from the GERDA experiment

The Germanium Detector Array (GERDA) experiment is searching for neutrinoless double beta (0νββ) decay of 76Ge, a lepton number violating nuclear process predicted by extensions of the Standard Model. GERDA is an array of bare germanium diodes immersed in liquid argon located at the Gran Sasso Natio...

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Main Author: Palioselitis Dimitrios
Format: Article
Language:English
Published: EDP Sciences 2015-01-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20149504049
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author Palioselitis Dimitrios
author_facet Palioselitis Dimitrios
author_sort Palioselitis Dimitrios
collection DOAJ
description The Germanium Detector Array (GERDA) experiment is searching for neutrinoless double beta (0νββ) decay of 76Ge, a lepton number violating nuclear process predicted by extensions of the Standard Model. GERDA is an array of bare germanium diodes immersed in liquid argon located at the Gran Sasso National Laboratory (LNGS) in Italy. The results of the GERDA Phase I data taking with a total exposure of 21.6 kg yr and a background index of 0.01 cts/(keV kg yr) are presented in this paper. No signal was observed and a lower limit of T1/20ν > 2.1×1025 yr (90% C.L.) was derived for the half-life of the 0νββ decay of 76Ge. Phase II of the experiment aims to reduce the background around the region of interest by a factor of ten.
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spelling doaj.art-f7990a17eef7415ab580065c490faaaf2022-12-21T20:05:03ZengEDP SciencesEPJ Web of Conferences2100-014X2015-01-01950404910.1051/epjconf/20149504049epjconf_icnfp2014_04049Results on neutrinoless double beta decay of 76Ge from the GERDA experimentPalioselitis Dimitrios0Max-Planck-Institut für PhysikThe Germanium Detector Array (GERDA) experiment is searching for neutrinoless double beta (0νββ) decay of 76Ge, a lepton number violating nuclear process predicted by extensions of the Standard Model. GERDA is an array of bare germanium diodes immersed in liquid argon located at the Gran Sasso National Laboratory (LNGS) in Italy. The results of the GERDA Phase I data taking with a total exposure of 21.6 kg yr and a background index of 0.01 cts/(keV kg yr) are presented in this paper. No signal was observed and a lower limit of T1/20ν > 2.1×1025 yr (90% C.L.) was derived for the half-life of the 0νββ decay of 76Ge. Phase II of the experiment aims to reduce the background around the region of interest by a factor of ten.http://dx.doi.org/10.1051/epjconf/20149504049
spellingShingle Palioselitis Dimitrios
Results on neutrinoless double beta decay of 76Ge from the GERDA experiment
EPJ Web of Conferences
title Results on neutrinoless double beta decay of 76Ge from the GERDA experiment
title_full Results on neutrinoless double beta decay of 76Ge from the GERDA experiment
title_fullStr Results on neutrinoless double beta decay of 76Ge from the GERDA experiment
title_full_unstemmed Results on neutrinoless double beta decay of 76Ge from the GERDA experiment
title_short Results on neutrinoless double beta decay of 76Ge from the GERDA experiment
title_sort results on neutrinoless double beta decay of 76ge from the gerda experiment
url http://dx.doi.org/10.1051/epjconf/20149504049
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