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          Institute: MPI für Physik     Collection: YB 2016     Display Documents



ID: 716508.0, MPI für Physik / YB 2016
Particle Discrimination in TeO2 Bolometers using Light Detectors read out by Transition Edge Sensors
Authors:Schäffner, K.; Angloher, G.; Bellini, F.; Casali, N.; Ferroni, F.; Hauff, D.; Nagorny, S. S.; Pattavina, L.; Petricca, F.; Pirro, S.; Pröbst, F.; Reindl, F.; Seidel, W.; Strauss, R.
Date of Publication (YYYY-MM-DD):2015
Title of Journal:Astroparticle Physics
Journal Abbrev.:Astropart.Phys.
Issue / Number:69
Start Page:30
End Page:36
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:An active discrimination of the dominant alpha-background is the prerequisite for future neutrinoless double-beta decay experiments based on TeO2 bolometers. We investigate such alpha-particle rejection in cryogenic TeO2 bolometers by the detection of Cherenkov light. For a setup consisting of a massive TeO2 crystal (285 g) and a separate cryogenic light detector, both using transition edge sensors as temperature sensors operated at around 10 mK, we obtain an event-by-event identification of e/gamma- and alpha-events. We find in the energy interval ranging from 2400 keV to 2800 keV and covering the Q-value of the neutrinoless double-beta decay of 130Te a separation of the means of the two populations of 3.7 times their width.
Classification / Thesaurus:Experimental Physics
Comment of the Author/Creator:8 pages, 7 figures
External Publication Status:published
Document Type:Article
Communicated by:MPI für Physik
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2015-377
URL:http://inspirehep.net/search?p=find+eprint+1411.25...
URL:http://arXiv.org/abs/arxiv:1411.2562
URL:https://publications.mppmu.mpg.de/?action=search&m...
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