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. Instruments2022, 6, 61.
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. Instruments 2022, 6, 61.
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. Instruments2022, 6, 61.
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. Instruments 2022, 6, 61.
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 and High Energy Physics
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.