Quasifree electron bremsstrahlung induced by 20-MeV-proton impact

T. C. Chu, K. Ishii, A. Yamadera, M. Sebata, S. Morita

研究成果: Article

27 被引用数 (Scopus)


Energy spectra and angular distributions of quasifree electron bremsstrahlung (QFEB) induced by 20-MeV-proton bombardments of a Be target have been measured with a Si (Li) detector. The Doppler shift of QFEB is clearly observed in the energy spectra and depends on the observation angle. The production cross section calculated from a free-electron approximation is compared with the experimental result and the agreement is quite satisfactory. The spectral shape near the high-energy end point of the QFEB definitely reflects the velocity distribution of the orbital electrons of the target atom. Angular distributions of secondary-electron bremsstrahlung were also measured and are compared with a calculation which includes relativistic retardation effects.

ジャーナルPhysical Review A
出版ステータスPublished - 1981 1 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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