Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Polarimetry for 3He Ion Beams From Laser-Plasma Interactions

Version 1 : Received: 11 August 2022 / Approved: 12 August 2022 / Online: 12 August 2022 (12:51:46 CEST)

How to cite: Zheng, C.; Fedorets, P.; Engels, R.; Kannis, C.; Engin, I.; Möller, S.; Swaczyna, R.; Feilbach, H.; Glückler, H.; Lennartz, M.; Pfeifer, H.; Pfennings, J.; Schneider, C.M.; Schnitzler, N.; Soltner, H.; Büscher, M. Polarimetry for 3He Ion Beams From Laser-Plasma Interactions. Preprints 2022, 2022080240 (doi: 10.20944/preprints202208.0240.v1). Zheng, C.; Fedorets, P.; Engels, R.; Kannis, C.; Engin, I.; Möller, S.; Swaczyna, R.; Feilbach, H.; Glückler, H.; Lennartz, M.; Pfeifer, H.; Pfennings, J.; Schneider, C.M.; Schnitzler, N.; Soltner, H.; Büscher, M. Polarimetry for 3He Ion Beams From Laser-Plasma Interactions. Preprints 2022, 2022080240 (doi: 10.20944/preprints202208.0240.v1).

Abstract

We present a compact polarimeter for 3He ions with special emphasis on the analysis of short-pulsed beams accelerated during laser-plasma interactions. We discuss the specific boundary conditions for the polarimeter, such as the properties of laser-driven ion beams, the selection of the polarization-sensitive reaction in the polarimeter, the representation of the analyzing-power contour map, the choice of the detector material used for particle identification, as well as the production procedure of the required deuterated foil-targets. The assembled polarimeter has been tested using a tandem accelerator delivering unpolarized 3He ion beams, demonstrating good performance in the few-MeV range. The statistical accuracy and the deduced figure-of-merit of the polarimetry are discussed, including the count-rate requirement and the lower limit of accuracy for beam-polarization measurements at a laser-based ion source.

Keywords

polarized ion beam; polarimetry; laser-plasma acceleration

Subject

PHYSICAL SCIENCES, Nuclear & High Energy Physics

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