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A Liquid-Argon Ionization Detector for the Study of Double β Decay

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Abstract

A multisection liquid-argon ionization detector has been developed by the DBA collaboration to study double β decay of 100Mo. The experiment has been carried out in the Gran Sasso underground laboratory in Italy. The detector design and main characteristics are described. The limits on the 42Ar and 222Rn concentrations in liquid Ar are ≤4.3 · 10–21 g/g and ≤1.2 · 10–3 Bq/kg, respectively.

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Authors and Affiliations

  1. Institute of Theoretical and Experimental Physics, ul. Bol'shaya Cheremushkinskaya 25, Moscow, 117259, Russia

    V. D. Ashitkov, A. S. Barabash, S. G. Belogurov, S. I. Konovalov, R. R. Saakyan, V. N. Stekhanov & V. I. Umatov

  2. Dipartimento di Fisica e INFN, Universita di Padova, Padova, Italy

    G. Carugno & G. Puglierin

  3. Sezione di Bologna, Istituto Nazionale di Fisica Nucleare (INFN), Bologna, Italy

    F. Massera

  4. Laboratori Nazionali del Gran Sasso dell'INFN, L'Aquila, Italy

    R. R. Saakyan

Authors
  1. V. D. Ashitkov
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  2. A. S. Barabash
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  3. S. G. Belogurov
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  4. G. Carugno
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  5. S. I. Konovalov
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  6. F. Massera
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  7. G. Puglierin
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  8. R. R. Saakyan
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  9. V. N. Stekhanov
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  10. V. I. Umatov
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Ashitkov, V.D., Barabash, A.S., Belogurov, S.G. et al. A Liquid-Argon Ionization Detector for the Study of Double β Decay. Instruments and Experimental Techniques 46, 153–160 (2003). https://doi.org/10.1023/A:1023605413765

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  • DOI: https://doi.org/10.1023/A:1023605413765

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