The unique features (super-low background and large sensitive volume) of the CTF and BOREXINO set ups are used in the CAMEO project for a high sensitivity study of 100Mo and 116Cd neutrinoless 2 beta decay. Pilot measurements with 116Cd and Monte Carlo simulations show that the sensitivity of the CAMEO experiment (in terms of the half-life limit for 0ν2β decay) is ≈4×1024 yr with a 1 kg source of 100Mo and ≈1026 yr with ≈100 kg of enriched 116CdWO4 crystals placed in the liquid scintillator of the CTF. The last value corresponds to a limit on the neutrino mass of mν ≤ 0.06 eV. Similarly with 1000 kg of 116CdWO4 crystals located in the BOREXINO apparatus the neutrino mass limit can be pushed down to mν ≤ 0.02 eV.

High sensitivity 2 beta decay study of 116Cd and 100Mo with the BOREXINO counting test facility (CAMEO project) / G. Bellini, B. Caccianiga, M. Chen, F.A. Danevich, M.G. Giammarchi, V.V. Kobychev, B.N. Kropivyansky, E. Meroni, L. Miramonti, A.S. Nikolayko, L. Oberauer, O.A. Ponkratenko, V.I. Tretyak, S.Yu. Zdesenko, Yu.G. Zdesenko. - In: THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6044. - 19:1(2001), pp. 43-55. [10.1007/s100520100594]

High sensitivity 2 beta decay study of 116Cd and 100Mo with the BOREXINO counting test facility (CAMEO project)

G. Bellini
Primo
;
B. Caccianiga
Secondo
;
E. Meroni;L. Miramonti;
2001

Abstract

The unique features (super-low background and large sensitive volume) of the CTF and BOREXINO set ups are used in the CAMEO project for a high sensitivity study of 100Mo and 116Cd neutrinoless 2 beta decay. Pilot measurements with 116Cd and Monte Carlo simulations show that the sensitivity of the CAMEO experiment (in terms of the half-life limit for 0ν2β decay) is ≈4×1024 yr with a 1 kg source of 100Mo and ≈1026 yr with ≈100 kg of enriched 116CdWO4 crystals placed in the liquid scintillator of the CTF. The last value corresponds to a limit on the neutrino mass of mν ≤ 0.06 eV. Similarly with 1000 kg of 116CdWO4 crystals located in the BOREXINO apparatus the neutrino mass limit can be pushed down to mν ≤ 0.02 eV.
Double beta decay ; CAMEO ; Cd116 ; 100Mo
Settore FIS/04 - Fisica Nucleare e Subnucleare
Settore FIS/01 - Fisica Sperimentale
2001
http://www.edpsciences.org/articles/epjc/abs/2001/03/epjc0594/epjc0594.html
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/22931
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