We present the final results on neutrinoless Double Beta Decay (DBD) of Te-130 obtained with an array of 20 cryogenic detectors. The Mi-Beta Experiment is operating since 3 years and was upgraded in March 2001. The background in the DBD energy region was reduced thanks to a new Roman lead shield framed inside the dilution unit and a neutron shield mounted outside the cryostat. We also improved the energy threshold using a cold electronic stage inside the cryostat. The new set-tip represents also a good test for the CUORICINO Experiment. CUORICINO will start by the beginning of 2002 and will consist of 56 Tellurium Oxide Crystal with an overall bolometric mass of 42 kg.
Pirro, S., Arnaboldi, C., Brofferio, C., Bucci, C., Capelli, S., Cremonesi, O., et al. (2002). The final results of the Mi-Beta Cryogenic Experiment towards the CUORICINO Experiment. Intervento presentato a: 9th International Workshop on Low Temperature Detectors, Madison, USA [10.1063/1.1457683].
The final results of the Mi-Beta Cryogenic Experiment towards the CUORICINO Experiment
BROFFERIO, CHIARA;CAPELLI, SILVIA;CREMONESI, OLIVIERO;FIORINI, ETTORE;NUCCIOTTI, ANGELO ENRICO LODOVICO;PAVAN, MAURA;PESSINA, GIANLUIGI EZIO;PREVITALI, EZIO;SISTI, MONICA;ZANOTTI, LUIGI ERNESTOUltimo
2002
Abstract
We present the final results on neutrinoless Double Beta Decay (DBD) of Te-130 obtained with an array of 20 cryogenic detectors. The Mi-Beta Experiment is operating since 3 years and was upgraded in March 2001. The background in the DBD energy region was reduced thanks to a new Roman lead shield framed inside the dilution unit and a neutron shield mounted outside the cryostat. We also improved the energy threshold using a cold electronic stage inside the cryostat. The new set-tip represents also a good test for the CUORICINO Experiment. CUORICINO will start by the beginning of 2002 and will consist of 56 Tellurium Oxide Crystal with an overall bolometric mass of 42 kg.
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