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The evaluation of half-lives and other decay data used in nuclear astrophysics and cosmochronology

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Abstract

The current status of some decay data used in nuclear astrophysics and cosmochronology is presented. The half-life of 79Se has been evaluated as 3.6(3) × 105 yr. The total energy of non-neutrino radiation released in act of 37Ar decay has been obtained being 2.709 (16) keV per disintegration. The recommended half-life values of the long-lived radionuclides (T 1/2 ≳ 106 yr) of 26Al, 40K, 53Mn, 60Fe, 87Rb, 93Zr, 98Tc, 107Pd, 129I, 135Cs, 146Sm, 176Lu, 182Hf, 187Re, 205Pb, 232Th, 235U, 238U, 244Pu, and 247Cm are given based on the evaluations published until 2010.

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Authors and Affiliations

  1. V. G. Khlopin Radium Institute, St. Petersburg, Russia

    V. P. Chechev

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  1. V. P. Chechev
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Correspondence to V. P. Chechev.

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Chechev, V.P. The evaluation of half-lives and other decay data used in nuclear astrophysics and cosmochronology. Phys. Atom. Nuclei 74, 1713–1717 (2011). https://doi.org/10.1134/S106377881111007X

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  • DOI: https://doi.org/10.1134/S106377881111007X

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