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We collected 19.4 days of data from four 750 g TeO2 bolometers, and in three of them we were able to set the energy threshold around 3 keV using a new analysis technique. We found a background rate ranging from 25 cpd/keV/kg at 3 keV to 2 cpd/keV/kg at 25 keV, and a peak at 4.7 keV. The origin of this peak is presently unknown, but its presence is confirmed by a reanalysis of 62.7 kg·days of data from the finished CUORICINO experiment. Finally, we report the expected sensitivities of the CUORE-0 (52 bolometers) and CUORE (988 bolometers) experiments to a WIMP annual modulation signal. © 2013 IOP Publishing Ltd and Sissa Medialab srl.

The low energy spectrum of TeO 2 bolometers: results and dark matter perspectives for the CUORE-0 and CUORE experiments / F., A., R., A., D. R., A., F. T., A., O., A., M., B., T. I., B., G., B., J., B., Bellini, F., A., B., M., B., T., B., C., B., C., B., X. Z., C., L., C., S., C., L., C., Cardani, L., et al.. - In: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS. - ISSN 1475-7516. - 2013:1(2013), pp. 038-038. [10.1088/1475-7516/2013/01/038]

The low energy spectrum of TeO 2 bolometers: results and dark matter perspectives for the CUORE-0 and CUORE experiments

BELLINI, Fabio;CARDANI, LAURA;N. Casali;COSMELLI, Carlo;DAFINEI, Ioan;FACCINI, Riccardo;FERRONI, Fernando;ORIO, FILIPPO;VIGNATI, Marco;
2013

Abstract

We collected 19.4 days of data from four 750 g TeO2 bolometers, and in three of them we were able to set the energy threshold around 3 keV using a new analysis technique. We found a background rate ranging from 25 cpd/keV/kg at 3 keV to 2 cpd/keV/kg at 25 keV, and a peak at 4.7 keV. The origin of this peak is presently unknown, but its presence is confirmed by a reanalysis of 62.7 kg·days of data from the finished CUORICINO experiment. Finally, we report the expected sensitivities of the CUORE-0 (52 bolometers) and CUORE (988 bolometers) experiments to a WIMP annual modulation signal. © 2013 IOP Publishing Ltd and Sissa Medialab srl.
2013
01 Pubblicazione su rivista::01a Articolo in rivista
The low energy spectrum of TeO 2 bolometers: results and dark matter perspectives for the CUORE-0 and CUORE experiments / F., A., R., A., D. R., A., F. T., A., O., A., M., B., T. I., B., G., B., J., B., Bellini, F., A., B., M., B., T., B., C., B., C., B., X. Z., C., L., C., S., C., L., C., Cardani, L., et al.. - In: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS. - ISSN 1475-7516. - 2013:1(2013), pp. 038-038. [10.1088/1475-7516/2013/01/038]
01a Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/508932
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