Measurement of linear polarization of coherent bremsstrahlung by detecting the angular correlation in pair production

K. Kondo, T. Miyachi, K. Ukai, A. Yamamoto, K. Gotow, H. Yoshida, S. Inaba, S. Kurokawa, H. Muramatsu, N. Sasao, S. Suzuki, M. Kobayashi, S. Iwata

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Abstract

The linear polarization of the coherent bremsstrahlung from a single crystal of silicon was measured by observing the one-dimensionally projected angles of electron and positron pairs. The coherent bremsstrahlung was produced by injecting the 1153 MeV electrons to the silicon crystal nearly along the [110] axis. The emission angles, η+ and η-, of pair particles were determined event by observing their tracks with a set of four wire spark chambers. From the (η+, η-) distribution of events, the polarization of photons was evaluated. The obtained polarization was consistent with the calculated values, and the technique gives a new approach to the measurement of the linear polarization of photons.

Original languageEnglish
Pages (from-to)365-373
Number of pages9
JournalNuclear Instruments and Methods
Volume114
Issue number2
DOIs
Publication statusPublished - Jan 15 1974
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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    Kondo, K., Miyachi, T., Ukai, K., Yamamoto, A., Gotow, K., Yoshida, H., Inaba, S., Kurokawa, S., Muramatsu, H., Sasao, N., Suzuki, S., Kobayashi, M., & Iwata, S. (1974). Measurement of linear polarization of coherent bremsstrahlung by detecting the angular correlation in pair production. Nuclear Instruments and Methods, 114(2), 365-373. https://doi.org/10.1016/0029-554X(74)90556-4