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          Institute: MPI für Physik     Collection: YB 2016     Display Documents



ID: 715808.0, MPI für Physik / YB 2016
Results on neutrinoless double beta decay from GERDA Phase I
Authors:The GERDA Collaboration; Macolino, Carla
Date of Publication (YYYY-MM-DD):2014
Title of Journal:Modern Physics Letters A
Journal Abbrev.:Mod.Phys.Lett.A
Issue / Number:29
Start Page:1430001
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:The GERmanium Detector Array, GERDA, is designed to search for neutrinoless double beta (0νββ) decay of 76Ge and it is installed in the Laboratori Nazionali del Gran Sasso (LNGS) of INFN, Italy. In this review, the detection principle and detector setup of GERDA are described. Also, the main physics results by GERDA Phase I, are discussed. They include the measurement of the half-life of 2νββ decay, the background decomposition of the energy spectrum and the techniques for the discrimination of the background, based on the pulse shape of the signal. In the last part of this paper, the estimation of a limit on the half-life of 0νββ (T0ν1/2>2.1⋅1025 yr at 90% C.L.) and the comparison with previous results are discussed. GERDA data from Phase I strongly disfavour the recent claim of 0νββ discovery, based on data from the Heidelberg-Moscow experiment.
Classification / Thesaurus:GERDA
Comment of the Author/Creator:20 pages, 16 figures
External Publication Status:published
Document Type:Article
Communicated by:MPI für Physik
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2014-20
URL:http://inspirehep.net/search?p=find+eprint+1312.05...
URL:http://arXiv.org/abs/arxiv:1312.0562v2
URL:https://publications.mppmu.mpg.de/?action=search&m...
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