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Journal Articles Nuclear Physics A Year : 2014

Investigation of double beta decay of 100Mo to excited states of 100Ru

A.S. Barabash
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A. Basharina-Freshville
  • Function : Author
S. Blot
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V. Brudanin
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A.J. Caffrey
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P. Čermák
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C. Cerna
E. Chauveau
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L. Dragounová
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V. Egorov
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J.J. Evans
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R. Flack
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P. Guzowski
R. Hodák
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J. Hůlka
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A. Klimenko
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O. Kochetov
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S.I. Konovalov
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V. Kovalenko
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K. Lang
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Z. Liptak
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F. Mamedov
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F. Mauger
B. Morgan
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J. Mott
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I. Nemchenok
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M. Nomachi
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F. Nova
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H. Ohsumi
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R.B. Pahlka
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P. Povinec
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Y.A. Ramachers
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B. Richards
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C.L. Riddle
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E. Rukhadze
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N. Rukhadze
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R. Saakyan
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Yu. Shitov
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F. Šimkovic
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A. Smetana
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K. Smolek
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A. Smolnikov
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S. Söldner-Rembold
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I. Štekl
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J. Suhonen
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C.S. Sutton
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J. Thomas
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V. Timkin
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S. Torre
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V.I. Tretyak
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Vl.I. Tretyak
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V. Umatov
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C. Vilela
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V. Vorobel
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G. Warot
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D. Waters
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A. Žukauskas
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Abstract

Double beta decay of 100Mo to the excited states of daughter nuclei has been studied using a 600 cm3 low-background HPGe detector and an external source consisting of 2588 g of 97.5% enriched metallic 100Mo, which was formerly inside the NEMO-3 detector and used for the NEMO-3 measurements of 100Mo. The half-life for the two-neutrino double beta decay of 100Mo to the excited View the MathML source01+ state in 100Ru is measured to be T1/2=[7.5±0.6(stat)±0.6(syst)]⋅1020 yrT1/2=[7.5±0.6(stat)±0.6(syst)]⋅1020 yr. For other (0ν+2ν)(0ν+2ν) transitions to the View the MathML source21+, View the MathML source22+, View the MathML source02+, View the MathML source23+ and View the MathML source03+ levels in 100Ru, limits are obtained at the level of ∼(0.25-1.1)⋅1022 yr∼(0.25-1.1)⋅1022 yr.
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Dates and versions

in2p3-00951921 , version 1 (28-06-2021)

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R. Arnold, C. Augier, A.S. Barabash, A. Basharina-Freshville, S. Blondel, et al.. Investigation of double beta decay of 100Mo to excited states of 100Ru. Nuclear Physics A, 2014, 925, pp.25-36. ⟨10.1016/j.nuclphysa.2014.01.008⟩. ⟨in2p3-00951921⟩
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