Investigation of positron generation by relativistic electrons in aligned crystals

Abstract

An experiment to investigate the positron production efficiency by electrons moving in axially oriented tungsten and silicon single crystals has been conducted. The electron energy was 1.2 GeV. The positron yield from the aligned crystal ∼0.35 r.l. in thickness was 2.8 times that from the randomly oriented crystals for tungsten and 1.8 times higher for silicon. A simple model has been designed to simulate positron production by coherent bremsstrahlung (CB) photons. Comparison of the calculation with the experiment has shown that most contribution to the positron production in thick crystals comes from CB.

Original language	English
Pages (from-to)	209-220
Number of pages	12
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	145
Issue number	1-2
DOIs	https://doi.org/10.1016/S0168-583X(98)00365-6
Publication status	Published - 2 Oct 1998

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/S0168-583X(98)00365-6

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Kalinin, B. N., Naumenko, G. A., Potylitsin, A. P., Verzilov, V. A., Vnukov, I. E., Yoshida, K., Goto, K., Endo, I., Isshiki, T., Kondo, T., Matsukado, K., Takashima, T., Takahashi, T., Okuno, H., & Nakayama, K. (1998). Investigation of positron generation by relativistic electrons in aligned crystals. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 145(1-2), 209-220. https://doi.org/10.1016/S0168-583X(98)00365-6

Investigation of positron generation by relativistic electrons in aligned crystals. / Kalinin, B. N.; Naumenko, G. A.; Potylitsin, A. P.; Verzilov, V. A.; Vnukov, I. E.; Yoshida, K.; Goto, K.; Endo, I.; Isshiki, T.; Kondo, T.; Matsukado, K.; Takashima, T.; Takahashi, T.; Okuno, H.; Nakayama, K.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 145, No. 1-2, 02.10.1998, p. 209-220.

Research output: Contribution to journal › Article › peer-review

Kalinin, BN, Naumenko, GA , Potylitsin, AP, Verzilov, VA, Vnukov, IE, Yoshida, K, Goto, K, Endo, I, Isshiki, T, Kondo, T, Matsukado, K, Takashima, T, Takahashi, T, Okuno, H & Nakayama, K 1998, 'Investigation of positron generation by relativistic electrons in aligned crystals', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 145, no. 1-2, pp. 209-220. https://doi.org/10.1016/S0168-583X(98)00365-6

Kalinin, B. N. ; Naumenko, G. A. ; Potylitsin, A. P. ; Verzilov, V. A. ; Vnukov, I. E. ; Yoshida, K. ; Goto, K. ; Endo, I. ; Isshiki, T. ; Kondo, T. ; Matsukado, K. ; Takashima, T. ; Takahashi, T. ; Okuno, H. ; Nakayama, K. / Investigation of positron generation by relativistic electrons in aligned crystals. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 1998 ; Vol. 145, No. 1-2. pp. 209-220.

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abstract = "An experiment to investigate the positron production efficiency by electrons moving in axially oriented tungsten and silicon single crystals has been conducted. The electron energy was 1.2 GeV. The positron yield from the aligned crystal ∼0.35 r.l. in thickness was 2.8 times that from the randomly oriented crystals for tungsten and 1.8 times higher for silicon. A simple model has been designed to simulate positron production by coherent bremsstrahlung (CB) photons. Comparison of the calculation with the experiment has shown that most contribution to the positron production in thick crystals comes from CB.",

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AU - Vnukov, I. E.

AU - Yoshida, K.

AU - Goto, K.

AU - Endo, I.

AU - Isshiki, T.

AU - Kondo, T.

AU - Matsukado, K.

AU - Takashima, T.

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AU - Okuno, H.

AU - Nakayama, K.

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