Abstract.
For the β+-decay of 22Na in the metallic environment Pd cooled to T = 12 K the 22Na half-life was observed to be shorter by 1.2±0.2%. The result is consistent with --but lower than-- the prediction of the Debye plasma model.
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R. Krücken
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Limata, B., Raiola, F., Wang, B. et al. First hints on a change of the 22Na βdecay half-life in the metal Pd. Eur. Phys. J. A 28, 251–252 (2006). https://doi.org/10.1140/epja/i2006-10057-1
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DOI: https://doi.org/10.1140/epja/i2006-10057-1