NDLI: Cryogenic bolometer crystals for rare event searches$^{⋆}$

Content Provider	Springer Nature Link
Author	Gironi, L.
Copyright Year	2012
Abstract	Bolometers are suitable detectors for fundamental physics experiments, like neutrinoless Double Beta Decay, because of their very good intrinsic characteristics (high detection efficiency, excellent energy resolution, ...). The bolometric technique has already obtained excellent results on the neutrino mass study with Cuoricino, the ancestor of CUORE, an array of 19 towers with 52 crystals each, which will achieve a sensitivity below 100meV. Cuoricino has also shown that the surface contaminations of materials facing the detectors would be the limiting factor for the sensitivity of next-generation experiments with bolometers. Mainly for this reason scintillating bolometers have been developed allowing a very efficient discrimination of alpha particles thanks to their double readout. Excellent results were obtained with different compounds such as CdWO$_{4}$ , ZnSe and ZnMoO$_{4}$. Tests performed on these crystals showed the possibility to discriminate the interacting particles through a pulse shape analysis. This feature is very interesting because it allows to obtain the same (or even better) discrimination power achieved with the double readout but with a much easier and cheaper assembly. Finally, the sensitivity that could be achieved with a large mass array of scintillating bolometers is analyzed on the basis of the results obtained on background and energy resolution.
Starting Page	1
Ending Page	13
Page Count	13
File Format	PDF
Journal	The European Physical Journal Plus
Volume Number	127
Issue Number	8
e-ISSN	21905444
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2012-08-08
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Applied and Technical Physics Theoretical, Mathematical and Computational Physics Statistical Physics, Dynamical Systems and Complexity Condensed Matter Physics Atomic, Molecular, Optical and Plasma Physics
Content Type	Text
Resource Type	Article

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