Experimental Activities on High Intensity Positron Sources Using Channeling - Archive ouverte HAL
Communication Dans Un Congrès Année : 2017

Experimental Activities on High Intensity Positron Sources Using Channeling

Résumé

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.
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Dates et versions

hal-01645354 , version 1 (23-11-2017)

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Iryna Chaikovska, Xavier Artru, Robert Chehab, Kazuro Furukawa, Hayg Guler, et al.. Experimental Activities on High Intensity Positron Sources Using Channeling. 8th International Particle Accelerator Conference, May 2017, Copenhagen, Denmark. pp.WEPIK002, ⟨10.18429/JACoW-IPAC2017-WEPIK002⟩. ⟨hal-01645354⟩
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