Elsevier

Nuclear Physics A

Volume 371, Issue 1, 23 November 1981, Pages 45-67
Nuclear Physics A

Range determination of individual 252Cf fission fragments in solids and gases

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Abstract

Range and range straggling of individual 252Cf fission fragments were measured by Ge(Li) gamma spectrometry. Fragment ranges representing fourteen isobaric chains were measured in solids: C, Ti, Ni, Ag and Au. Fragment ranges representing twenty-three isobaric chains were measured in gases: H2, N2, Ne, Ar, Kr and Xe. It is shown that ranges predicted by existing basic theories as well as ranges taken from semi-exmpirical tables strongly deviate from the experimental data. Based on the experimental results, a modified LSS formulation is suggested which predicts the ranges of fission fragments with an accuracy better than 20%.

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    Present address: GSI Darmstadt, Germany.

    ∗∗

    Charles Wolfson Chair in Nuclear Engineering.

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