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Polarized positron production at MeV electron accelerators

Accelerator Physics 2017-11-28 v1 Atomic Physics

Abstract

The Polarized Electrons for Polarized Positrons (PEPPo) experiment has demonstrated the efficient transfer of polarization from electrons to positrons produced by the bremsstrahlung radiation of a polarized electron beam in a high-ZZ target. Positron polarization up to 82\% has been measured for an initial electron beam momentum of 8.19 MeV/cc, limited only by the electron beam polarization. Combined with the high intensity and high polarization performances of polarized electron sources, this technique extends efficient polarized positron capabilities from GeV to MeV electron accelerators. This presentation reviews the PEPPo proof-of-principle experiment and addresses the perspectives for future applications.

Keywords

Cite

@article{arxiv.1711.09659,
  title  = {Polarized positron production at MeV electron accelerators},
  author = {E. Voutier},
  journal= {arXiv preprint arXiv:1711.09659},
  year   = {2017}
}

Comments

9 pages, 6 figures, Proceedings of the (POSMOL 2017) XIX International Workshop on Low-Energy Positron and Positronium Physics, Magnetic Island (Australia), 22-24 July, 2017

R2 v1 2026-06-22T22:57:48.375Z