Stopping Power of Al, Cu, Ag, Au, Pb, and U for 5-18-MeV Protons and Deuterons

H. Sørensen, Hans Henrik Andersen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    High energy protons and deuterons of energies between 9 and 18 MeV have been used to extend earlier measurements of the stopping power of Al, Cu, Ag and Au and the stopping powers of Pb and U in the range 5-18 MeV have been determined for the first time. Mean excitation potentials have been determined for all materials studied and the value for Cu is found to be 319.8±3.2 eV, in agreement with the previous determination by the same authors, but the deduced mean excitation potentials are lower than those calculated by 5-10%. The relationship between mean excitation potential and atomic number is consistent with an oscillatory function roughly following the periodic system of the elements.
    Original languageEnglish
    JournalPhysical Review B
    Volume8
    Issue number5
    Pages (from-to)1854-1863
    ISSN2469-9950
    Publication statusPublished - 1973

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