Arnold, R; Augier, C; Baker, J; Barabash, AS; Basharina-Freshville, A; Blondel, S; Bongrand, M; ... NEMO-3 Collaboration; + view all Arnold, R; Augier, C; Baker, J; Barabash, AS; Basharina-Freshville, A; Blondel, S; Bongrand, M; Broudin-Bay, G; Brudanin, V; Caffrey, AJ; Chapon, A; Chauveau, E; Durand, D; Egorov, V; Flack, R; Garrido, X; Grozier, J; Guillon, B; Hubert, P; Hugon, C; Jackson, CM; Jullian, S; Kauer, M; Klimenko, A; Kochetov, O; Konovalov, SI; Kovalenko, V; Lalanne, D; Lamhamdi, T; Lang, K; Liptak, Z; Lutter, G; Mamedov, F; Marquet, C; Martin-Albo, J; Mauger, F; Mott, J; Nachab, A; Nemchenok, I; Nguyen, CH; Nova, F; Novella, P; Ohsumi, H; Pahlka, RB; Perrot, F; Piquemal, F; Reyss, JL; Richards, B; Ricol, JS; Saakyan, R; Sarazin, X; Simard, L; Simkovic, F; Shitov, Y; Smolnikov, A; Soldner-Rembold, S; Stekl, I; Suhonen, J; Sutton, CS; Szklarz, G; Thomas, J; Timkin, V; Torre, S; Tretyak, VI; Umatov, V; Vala, L; Vanyushin, I; Vasiliev, V; Vorobel, V; Vylov, T; Zukauskas, A; NEMO-3 Collaboration; - view fewer (2011) Measurement of the beta beta Decay Half-Life of Te-130 with the NEMO-3 Detector. PHYS REV LETT , 107 (6) , Article 062504. 10.1103/PhysRevLett.107.062504.

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Abstract

We report results from the NEMO-3 experiment based on an exposure of 1275 days with 661 g of Te-130 in the form of enriched and natural tellurium foils. The beta beta decay rate of Te-130 is found to be greater than zero with a significance of 7.7 standard deviations and the half-life is measured to be T-1/2(2v)=[7.0 +/- 0.9(stat) +/- 1: 1(syst)] x 10(20) yr. This represents the most precise measurement of this half- life yet published and the first real-time observation of this decay.

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