dorsal/arxiv
View SchemaIs it possible to obtain polarized positrons during multiple Compton backscattering process?
| Authors | A. P. Potylitsyn |
|---|---|
| Categories | |
| ArXiv ID | physics/0304007 |
| URL | https://arxiv.org/abs/physics/0304007 |
| DOI | 10.1142/9789812702333_0015 |
Abstract
If a beam of unpolarized positrons (which is considered as a sum of two fractions with opposite helicities) passes through an intense circular polarized laser radiation these fractions may be separated. For high laser flash intensity each positron will interact with $k_0\gg$1 laser photons subsequently (linear multiple compton scattering process). Due to difference in the compton cross-section for positrons polarized in opposite directions the mean final energy of each fraction will be different. It allows to get a polarized positron beam using the momentum selection (with some intensity loss). Estimations show the possibility to obtain a positron beam with 35% longitudinal polarization and 25% intensity from the initial one for focussed laser flash with total energy 5J and positron beam with energy 5 GeV.
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"abstract": "If a beam of unpolarized positrons (which is considered as a sum of two\nfractions with opposite helicities) passes through an intense circular\npolarized laser radiation these fractions may be separated. For high laser\nflash intensity each positron will interact with $k_0\\gg$1 laser photons\nsubsequently (linear multiple compton scattering process). Due to difference in\nthe compton cross-section for positrons polarized in opposite directions the\nmean final energy of each fraction will be different. It allows to get a\npolarized positron beam using the momentum selection (with some intensity\nloss). Estimations show the possibility to obtain a positron beam with 35%\nlongitudinal polarization and 25% intensity from the initial one for focussed\nlaser flash with total energy 5J and positron beam with energy 5 GeV.",
"arxiv_id": "physics/0304007",
"authors": [
"A. P. Potylitsyn"
],
"categories": [
"physics.acc-ph"
],
"doi": "10.1142/9789812702333_0015",
"title": "Is it possible to obtain polarized positrons during multiple Compton backscattering process?",
"url": "https://arxiv.org/abs/physics/0304007"
},
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