Title

Measurements of the frequency spectrum of transition radiation

Document Type

Article

Publication Date

1-1-1977

Abstract

We report a measurement of the frequency spectrum of x-ray transition radiation. X rays were generated by electrons of 5 and 9 GeV in radiators of multiple polypropylene foils, and detected in the range 4 to 30 keV with a calibrated single-crystal Bragg spectrometer. The experimental results closely reproduce the features of the theoretically predicted spectrum. In particular, the pronounced interference pattern of multifoil radiators and the expected hardening of the radiation with increasing foil thickness are clearly observed. The overall intensity of the radiation is somewhat lower than predicted by calculations. © 1977 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review Letters

First Page

5

Last Page

8

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