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New limits on the beta+ EC and ECEC processes in 120Te

Abstract : New limits on the double beta processes for 120Te have been obtained using a 400 cm3 HPGe detector and a source consisting of natural Te0_2 powder. At a confidence level of 90% the limits are 0.19times 10^8y for the beta EC(0\nu + 2\nu) transition to the ground state, 0.75times 10^18 y for the ECEC(0\nu + 2\nu)transition to the first 2+excited state of 120Sn (1171.26 keV) and (0.19-0.6)\times 10^18 y for different ECEC(0\nu captures to the ground state of 120Sn.
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Contributor : Dominique Girod <>
Submitted on : Monday, April 16, 2007 - 9:58:29 AM
Last modification on : Thursday, January 11, 2018 - 6:12:51 AM

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A.S. Barabash, F. Hubert, P. Hubert, V. Umatov. New limits on the beta+ EC and ECEC processes in 120Te. Journal of Physics G: Nuclear and Particle Physics, IOP Publishing, 2007, 34, pp.1721-1728. ⟨10.1088/0954-3899/34/7/012⟩. ⟨in2p3-00141752⟩



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