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SUMMARY:Progress on spin-polarized beams from plasma-based accelerators
DTSTART:20260630T123000Z
DTEND:20260630T133000Z
DTSTAMP:20260620T160900Z
UID:indico-event-25406@indico.gsi.de
CONTACT:p.neumayer@gsi.de\;c.deguchi@gsi.de
DESCRIPTION:Speakers: Lars Reichwein\n\nWith the on-going developments in 
 the field of plasma-based accelerators towards high-energy particle beams\
 , one beam property that becomes increasingly important forapplications is
  its polarization. These range from surface physics to deep-inelasticscatt
 ering experiments probing the proton’s nuclear structure\, as well as se
 arches forphysics beyond the Standard Model in axion-related studies.\nOnl
 y more recently have plasma-based sources of spin-polarized beams gainedsu
 bstantial attention [1]. A first experiment demonstrating the successful p
 reservation ofthe nuclear spin of helium-3 ions has recently been conducte
 d [2]. Such a proof-of-principle experiment is still outstanding for elect
 rons. This is in parts due to targetconstraints [3]\, as one of the leadin
 g approaches relies on the photo dissociation ofhydrogen halides and only 
 yields comparatively low-density and narrow interactionvolumes from which 
 the polarized electrons can be accelerated. This limits the choice offeasi
 ble injection mechanisms for subsequent wakefield acceleration significant
 ly.\nIn this talk\, we review the recent experimental and theoretical deve
 lopments in the field ofplasma-based\, polarized particle beams and discus
 s their prospects for applications like nuclear fusion [4].\n[1] L. Reichw
 ein et al.\, Rep. Prog. Phys. 88\, 117001 (2025)[2] C. Zheng et al.\, High
  Power Laser Sci. Eng.\, in press (2026)\,doi:10.1017/hpl.2026.10140[3] D.
  Sofikitis et al.\, Phys. Rev. A 111\, 053119 (2025)[4] R. M. Kulsrud et a
 l.\, Phys. Rev. Lett. 49\, 1248 (1982)\n\nhttps://indico.gsi.de/event/2540
 6/
LOCATION:SB3 3.170a (GSI)
URL:https://indico.gsi.de/event/25406/
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