Bremsstrahlung in α decay of 210 po: Do α particles emit photons in tunneling?

J. Kasagi, H. Yamazaki, N. Kasajima, T. Ohtsuki, H. Yuki

    Research output: Contribution to journalArticlepeer-review

    45 Citations (Scopus)

    Abstract

    Emission probability of bremsstrahlung in the α decay of 210Po was measured in α- γ coincidence measurements with Si and Ge detectors. It was found that the bremsstrahlung yields are much smaller than those predicted by a Coulomb acceleration model, in which γ rays are emitted during acceleration outside the barrier. This suggests that the radiation amplitude in the barrier cannot be neglected, and the discussion based on a quasiclassical approach is given.

    Original languageEnglish
    Pages (from-to)371-374
    Number of pages4
    JournalPhysical review letters
    Volume79
    Issue number3
    DOIs
    Publication statusPublished - 1997 Jan 1

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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