Initial performance of the CUORE-0 experiment

Clicks: 236
ID: 111345
2014
CUORE-0 is a cryogenic detector that uses an array of tellurium dioxide bolometers to search for neutrinoless double-beta decay of $$\mathrm {^{130}Te}$$ 130 Te . We present the first data analysis with $$7.1 \,\mathrm {kg\cdot y}$$ 7.1 kg · y of total $$\mathrm {TeO_2}$$ TeO 2 exposure focusing on background measurements and energy resolution. The background rates in the neutrinoless double-beta decay region of interest (2.47 to $$2.57 \,\mathrm {MeV}$$ 2.57 MeV ) and in the $$\alpha $$ α background-dominated region (2.70 to $$3.90\,\mathrm {MeV}$$ 3.90 MeV ) have been measured to be $${0.071\pm 0.011}$$ 0.071 ± 0.011 and $${0.019\pm 0.002}\,\mathrm {counts/(keV\cdot kg\cdot y)}$$ 0.019 ± 0.002 counts / ( keV · kg · y ) , respectively. The latter result represents a factor of 6 improvement from a predecessor experiment, Cuoricino. The results verify our understanding of the background sources in CUORE-0, which is the basis of extrapolations to the full CUORE detector. The obtained energy resolution (full width at half maximum) in the region of interest is $$5.7\,\mathrm {keV}$$ 5.7 keV . Based on the measured background rate and energy resolution in the region of interest, CUORE-0 half-life sensitivity is expected to surpass the observed lower bound of Cuoricino with one year of live time.
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Authors D. R. Artusa;F. T. Avignone;O. Azzolini;M. Balata;T. I. Banks;G. Bari;J. Beeman;F. Bellini;A. Bersani;M. Biassoni;C. Brofferio;C. Bucci;X. Z. Cai;L. Canonica;X. G. Cao;S. Capelli;L. Carbone;L. Cardani;M. Carrettoni;N. Casali;D. Chiesa;N. Chott;M. Clemenza;C. Cosmelli;O. Cremonesi;R. J. Creswick;I. Dafinei;A. Dally;V. Datskov;M. M. Deninno;S. Di Domizio;M. L. di Vacri;L. Ejzak;D. Q. Fang;H. A. Farach;M. Faverzani;G. Fernandes;E. Ferri;F. Ferroni;E. Fiorini;S. J. Freedman;B. K. Fujikawa;A. Giachero;L. Gironi;A. Giuliani;J. Goett;P. Gorla;C. Gotti;T. D. Gutierrez;E. E. Haller;K. Han;K. M. Heeger;R. Hennings-Yeomans;H. Z. Huang;R. Kadel;K. Kazkaz;G. Keppel;Yu. G. Kolomensky;Y. L. Li;K. E. Lim;X. Liu;Y. G. Ma;C. Maiano;M. Maino;M. Martinez;R. H. Maruyama;Y. Mei;N. Moggi;S. Morganti;S. Nisi;C. Nones;E. B. Norman;A. Nucciotti;T. O’Donnell;F. Orio;D. Orlandi;J. L. Ouellet;M. Pallavicini;V. Palmieri;L. Pattavina;M. Pavan;M. Pedretti;G. Pessina;V. Pettinacci;G. Piperno;S. Pirro;E. Previtali;C. Rosenfeld;C. Rusconi;E. Sala;S. Sangiorgio;N. D. Scielzo;M. Sisti;A. R. Smith;L. Taffarello;M. Tenconi;F. Terranova;W. D. Tian;C. Tomei;S. Trentalange;G. Ventura;M. Vignati;B. S. Wang;H. W. Wang;L. Wielgus;J. Wilson;L. A. Winslow;T. Wise;L. Zanotti;C. Zarra;B. X. Zhu;S. Zucchelli;D. R. Artusa;F. T. Avignone;O. Azzolini;M. Balata;T. I. Banks;G. Bari;J. Beeman;F. Bellini;A. Bersani;M. Biassoni;C. Brofferio;C. Bucci;X. Z. Cai;L. Canonica;X. G. Cao;S. Capelli;L. Carbone;L. Cardani;M. Carrettoni;N. Casali;D. Chiesa;N. Chott;M. Clemenza;C. Cosmelli;O. Cremonesi;R. J. Creswick;I. Dafinei;A. Dally;V. Datskov;M. M. Deninno;S. Di Domizio;M. L. di Vacri;L. Ejzak;D. Q. Fang;H. A. Farach;M. Faverzani;G. Fernandes;E. Ferri;F. Ferroni;E. Fiorini;S. J. Freedman;B. K. Fujikawa;A. Giachero;L. Gironi;A. Giuliani;J. Goett;P. Gorla;C. Gotti;T. D. Gutierrez;E. E. Haller;K. Han;K. M. Heeger;R. Hennings-Yeomans;H. Z. Huang;R. Kadel;K. Kazkaz;G. Keppel;Yu. G. Kolomensky;Y. L. Li;K. E. Lim;X. Liu;Y. G. Ma;C. Maiano;M. Maino;M. Martinez;R. H. Maruyama;Y. Mei;N. Moggi;S. Morganti;S. Nisi;C. Nones;E. B. Norman;A. Nucciotti;T. O’Donnell;F. Orio;D. Orlandi;J. L. Ouellet;M. Pallavicini;V. Palmieri;L. Pattavina;M. Pavan;M. Pedretti;G. Pessina;V. Pettinacci;G. Piperno;S. Pirro;E. Previtali;C. Rosenfeld;C. Rusconi;E. Sala;S. Sangiorgio;N. D. Scielzo;M. Sisti;A. R. Smith;L. Taffarello;M. Tenconi;F. Terranova;W. D. Tian;C. Tomei;S. Trentalange;G. Ventura;M. Vignati;B. S. Wang;H. W. Wang;L. Wielgus;J. Wilson;L. A. Winslow;T. Wise;L. Zanotti;C. Zarra;B. X. Zhu;S. Zucchelli;
Journal the european physical journal c
Year 2014
DOI doi:10.1140/epjc/s10052-014-2956-6
URL
https://doi.org/10.1140/epjc/s10052-014-2956-6
Keywords
astronomy measurement science and instrumentation string theory quantum field theory elementary particles nuclear physics heavy ions hadrons quantum field theories astrophysics and cosmology nuclear energy

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