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000599180 041__ $$aEnglish
000599180 1001_ $$0P:(DE-H253)PIP1085264$$aStehr, Felix Paul Georg$$b0$$eCorresponding author
000599180 1112_ $$aBad Honnef Physics School on Plasma Acceleration$$cBad Honnef$$d2023-02-05 - 2023-02-10$$wGermany
000599180 245__ $$aTowards a pre-polarised plasma source for spin-polarised laser-plasma acceleration
000599180 260__ $$c23
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000599180 520__ $$aPolarised beams are indispensable for many experiments in particle,atomic and nuclear physics where spin-dependent processes are to be studied.The LEAP (Laser Electron Acceleration with Polarisation) project at DESYaims to generate and measure spin-polarised electron beams from a compactlaser plasma accelerator (LPA) for the first time. The generation of spin-polarised beams from an LPA relies on a pre-polarised plasma source, wherehydrogen halide molecules are dissociated by a circularly polarised UV laserpulse. The dissociation of an HCl gas target requires a laser pulse with a wave-length of about 200 nm, which has to be synchronised with the LPA driver laser,as the depolarisation of the electrons in the gas occurs in the sub-nanosecondrange. Therefore, the UV pulse will be generated by cascaded second harmonicgeneration of the fundamental 800 nm LPA driver pulse. This contributionwill give an overview of the LEAP project and the experimental progress ofpreparing a pre-polarised plasma source for LPA.
000599180 536__ $$0G:(DE-HGF)POF4-621$$a621 - Accelerator Research and Development (POF4-621)$$cPOF4-621$$fPOF IV$$x0
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000599180 7001_ $$0P:(DE-H253)PIP1019641$$aBohlen, Simon$$b1
000599180 7001_ $$0P:(DE-H253)PIP1093994$$aPopp, Jennifer$$b2$$eCorresponding author$$udesy
000599180 7001_ $$0P:(DE-H253)PIP1005630$$aList, Jenny$$b3
000599180 7001_ $$0P:(DE-H253)PIP1011115$$aMoortgat-Pick, Gudrid$$b4
000599180 7001_ $$0P:(DE-H253)PIP1012785$$aOsterhoff, Jens$$b5
000599180 7001_ $$0P:(DE-H253)PIP1030949$$aPoder, Kristjan$$b6
000599180 8564_ $$uhttps://www.dpg-physik.de/veranstaltungen/2023/plasma-acceleration
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