Paper | Title | Page |
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WEPIK002 | Experimental Activities on High Intensity Positron Sources Using Channeling | 2910 |
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The positron source under investigation is using channeling radiation of multi-GeV electrons in a tungsten crystal. The radiated photons are impinging on the amorphous targets creating e+e− pairs. A dipole magnet between the crystal-radiator and the amorphous-converter allows the charged particles to be swept off and only emitted photons to generate e+e− pairs in the converter. Granular targets of different thicknesses, made of small tungsten spheres, have been recently investigated as a target-converter. This paper is describing the experimental studies conducted at the KEKB linac with such device. After the description of the experimental set-up and beam parameters, the measurement methods and preliminary results are presented. | ||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPIK002 | |
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