Performances of a large mass ZnMoO
- J.W. Beeman
- F. Bellini
- C. Brofferio
- L. Cardani
- N. Casali
- O. Cremonesi
- I. Dafinei
- S. Domizio
- F. Ferroni
- E. Gorello
- E.N. Galashov
- L. Gironi
- S.S. Nagorny
- F. Orio
- M. Pavan
- L. Pattavina
- G. Pessina
- G. Piperno
- S. Pirro
- E. Previtali
- C. Rusconi
- V.N. Shlegel
- C. Tomei
- M. Vignati
Publication date
September 2012
DOI Publisher
Springer Science and Business Media LLCAbstract
We present the performances of a 330 g zinc molybdate (ZnMoO4) crystal working as scintillating bolometer as a possible candidate for a next generation experiment to search for neutrinoless double beta decay of 100Mo. The energy resolution, evaluated at the 2615 keV γ-line of 208Tl, is 6.3 keV FWHM. The internal radioactive contaminations of the ZnMoO4 were evaluated as <6 μBq/kg (228Th) and 27±6 μBq/kg (226Ra). We also present the results of the α vs β/γ discrimination, obtained through the scintillation light as well as through the study of the shape of the thermal signal alone
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