https://doi.org/10.1140/epja/i2008-10593-6
Regular Article - Experimental Physics
Search for double- β decay processes in 108Cd and 114Cd with the help of the low-background CdWO 4 crystal scintillator
1
Dipartimento di Fisica, Università di Roma “Tor Vergata” and INFN, Sezione di Roma Tor Vergata, I-00133, Rome, Italy
2
Dipartimento di Fisica, Università di Roma “La Sapienza” and INFN, Sezione di Roma, I-00185, Rome, Italy
3
INFN, Laboratori Nazionali del Gran Sasso, 67010, Assergi (AQ), Italy
4
Institute for Nuclear Research, MSP, 03680, Kyiv, Ukraine
* e-mail: rita.bernabei@roma2.infn.it
Received:
20
March
2008
Accepted:
5
May
2008
Published online:
20
May
2008
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.
PACS: 29.40.Mc Scintillation detectors – / 23.40.-s β decay; double β decay; electron and muon capture –
© Società Italiana di Fisica and Springer-Verlag, 2008
