Production of polarized positrons through interaction of longitudinally polarized electrons with thin targets

Research School of High-Energy Physics

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Abstract

The production of polarized positrons by longitudinally polarized moderate energy (E = 50 MeV) electrons is proposed. The two-step process in a thin amorphous target e^- _long → γ_circ-pol. → e^- e^- _long. has been considered. For a target thickness of a tenth of the radiation length, the yield of positrons with energy above 25 MeV and polarization ∼0.5 may reach ∼10^-3 per initial electron.

Original language	English
Pages (from-to)	395-398
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	398
Issue number	2-3
DOIs	https://doi.org/10.1016/S0168-9002(97)00898-X
Publication status	Published - 21 Oct 1997

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ASJC Scopus subject areas

Instrumentation
Nuclear and High Energy Physics

Cite this

Potylitsin, A. P. (1997). Production of polarized positrons through interaction of longitudinally polarized electrons with thin targets. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 398(2-3), 395-398. https://doi.org/10.1016/S0168-9002(97)00898-X

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AB - The production of polarized positrons by longitudinally polarized moderate energy (E = 50 MeV) electrons is proposed. The two-step process in a thin amorphous target e- long → γcirc-pol. → e- e- long. has been considered. For a target thickness of a tenth of the radiation length, the yield of positrons with energy above 25 MeV and polarization ∼0.5 may reach ∼10-3 per initial electron.

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10.1016/S0168-9002(97)00898-X