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Search for double- β decay processes in 108Cd and 114Cd with the help of the low-background CdWO 4 crystal scintillator

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Abstract.

The search for double-β processes in 108Cd and 114Cd was realized by using data of the low-background experiment with the CdWO4 crystal scintillator at the Gran Sasso National Laboratories of the INFN. New improved half-life limits on double-beta processes were established, in particular T 1/2 0ν2ɛ( ^108Cd ) ≥ 1.0(2.7)×1018 yr, T 1/2 2ν2β( ^114Cd ) ≥ 1.3(2.1)×1018 yr, and T 1/2 0ν2β( ^114Cd ) ≥ 1.1(2.5)×1021 yr at 90(68)% C.L.

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Authors and Affiliations

  1. Dipartimento di Fisica, Università di Roma “Tor Vergata” and INFN, Sezione di Roma Tor Vergata, I-00133, Rome, Italy

    P. Belli, R. Bernabei, S. d'Angelo, F. Nozzoli & V. I. Tretyak

  2. Dipartimento di Fisica, Università di Roma “La Sapienza” and INFN, Sezione di Roma, I-00185, Rome, Italy

    F. Cappella, A. Incicchitti & D. Prosperi

  3. INFN, Laboratori Nazionali del Gran Sasso, 67010, Assergi (AQ), Italy

    R. Cerulli

  4. Institute for Nuclear Research, MSP, 03680, Kyiv, Ukraine

    F. A. Danevich, V. V. Kobychev, S. S. Nagorny, V. M. Mokina & D. V. Poda

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  1. P. Belli
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  2. R. Bernabei
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  3. F. Cappella
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  4. R. Cerulli
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  5. F. A. Danevich
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  6. S. d'Angelo
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  7. A. Incicchitti
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  8. V. V. Kobychev
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  9. S. S. Nagorny
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  10. F. Nozzoli
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  11. V. M. Mokina
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  12. D. V. Poda
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  13. D. Prosperi
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  14. V. I. Tretyak
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Corresponding author

Correspondence to R. Bernabei.

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E. Bellotti

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Belli, P., Bernabei, R., Cappella, F. et al. Search for double- β decay processes in 108Cd and 114Cd with the help of the low-background CdWO 4 crystal scintillator. Eur. Phys. J. A 36, 167–170 (2008). https://doi.org/10.1140/epja/i2008-10593-6

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  • DOI: https://doi.org/10.1140/epja/i2008-10593-6

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