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Title: Performances of a large mass ZnMoO 4 scintillating bolometer for a next generation 0νDBD experiment

Abstract

Here we present the performances of a 330 g zinc molybdate (ZnMoO 4) 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 ZnMoO 4 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.

Authors:
 [1];  [2];  [3];  [2];  [4];  [5];  [6];  [7];  [2];  [2];  [8];  [3];  [9];  [6];  [3];  [5];  [5];  [2];  [5];  [5] more »;  [5];  [8];  [6];  [6] « less
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Sapienza Univ. of Rome (Italy). Dipartimento di Fisica; Istituto Nazionale di Fisica Nucleare (INFN), Rome (Italy). Sezione di Roma
  3. Univ. di Milano (Italy). Dipartimento di Fisica; Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy). Sezione di Milano Bicocca
  4. Univ. degli studi dell'Aquila, L'aquila (Italy). Dipartimento di Fisica; Istituto Nazionale di Fisica Nucleare (INFN), L'aquila (Italy). Lab. Nazionali del Gran Sasso (INFN-LNGS)
  5. Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy). Sezione di Milano Bicocca
  6. Istituto Nazionale di Fisica Nucleare (INFN), Rome (Italy). Sezione di Roma
  7. Istituto Nazionale di Fisica Nucleare (INFN), Genova (Italy). Sezione di Genova
  8. Nikolaev Inst. of Inorganic Chemistry, Novosibirsk (Russia)
  9. Inst. for Nuclear Research, Kyiv (Ukraine)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1407139
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 72; Journal Issue: 9; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats

Beeman, J. W., Bellini, F., Brofferio, C., Cardani, L., Casali, N., Cremonesi, O., Dafinei, I., Di Domizio, S., Ferroni, F., Gorello, E., Galashov, E. N., Gironi, L., Nagorny, S. S., Orio, F., Pavan, M., Pattavina, L., Pessina, G., Piperno, G., Pirro, S., Previtali, E., Rusconi, C., Shlegel, V. N., Tomei, C., and Vignati, M. Performances of a large mass ZnMoO4 scintillating bolometer for a next generation 0νDBD experiment. United States: N. p., 2012. Web. doi:10.1140/epjc/s10052-012-2142-7.
Beeman, J. W., Bellini, F., Brofferio, C., Cardani, L., Casali, N., Cremonesi, O., Dafinei, I., Di Domizio, S., Ferroni, F., Gorello, E., Galashov, E. N., Gironi, L., Nagorny, S. S., Orio, F., Pavan, M., Pattavina, L., Pessina, G., Piperno, G., Pirro, S., Previtali, E., Rusconi, C., Shlegel, V. N., Tomei, C., & Vignati, M. Performances of a large mass ZnMoO4 scintillating bolometer for a next generation 0νDBD experiment. United States. doi:10.1140/epjc/s10052-012-2142-7.
Beeman, J. W., Bellini, F., Brofferio, C., Cardani, L., Casali, N., Cremonesi, O., Dafinei, I., Di Domizio, S., Ferroni, F., Gorello, E., Galashov, E. N., Gironi, L., Nagorny, S. S., Orio, F., Pavan, M., Pattavina, L., Pessina, G., Piperno, G., Pirro, S., Previtali, E., Rusconi, C., Shlegel, V. N., Tomei, C., and Vignati, M. Tue . "Performances of a large mass ZnMoO4 scintillating bolometer for a next generation 0νDBD experiment". United States. doi:10.1140/epjc/s10052-012-2142-7. https://www.osti.gov/servlets/purl/1407139.
@article{osti_1407139,
title = {Performances of a large mass ZnMoO4 scintillating bolometer for a next generation 0νDBD experiment},
author = {Beeman, J. W. and Bellini, F. and Brofferio, C. and Cardani, L. and Casali, N. and Cremonesi, O. and Dafinei, I. and Di Domizio, S. and Ferroni, F. and Gorello, E. and Galashov, E. N. and Gironi, L. and Nagorny, S. S. and Orio, F. and Pavan, M. and Pattavina, L. and Pessina, G. and Piperno, G. and Pirro, S. and Previtali, E. and Rusconi, C. and Shlegel, V. N. and Tomei, C. and Vignati, M.},
abstractNote = {Here 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.},
doi = {10.1140/epjc/s10052-012-2142-7},
journal = {European Physical Journal. C, Particles and Fields},
number = 9,
volume = 72,
place = {United States},
year = {2012},
month = {9}
}

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