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000582111 0247_ $$2arXiv$$aarXiv:2304.02922
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000582111 037__ $$aPUBDB-2023-01801
000582111 041__ $$aEnglish
000582111 088__ $$2arXiv$$aarXiv:2304.02922
000582111 1001_ $$0P:(DE-H253)PIP1019641$$aBohlen, Simon$$b0
000582111 245__ $$aColliding Pulse Injection of Polarized Electron Bunches in a Laser-Plasma Accelerator
000582111 260__ $$c2023
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000582111 500__ $$a5 pages, 4 figures
000582111 520__ $$aHighly polarized, multi-kiloampere-current electron bunches from compact laser-plasma accelerators are desired for numerous applications. Current proposals to produce these beams suffer from intrinsic limitations to the reproducibility, charge, beam shape and final polarization degree. In this Letter, we propose colliding pulse injection as a technique for the generation of highly polarized electron bunches from pre-polarized plasma sources. Using particle-in-cell simulations, we show that colliding pulse injection enables trapping and precise control over electron spin evolution, resulting in the generation of high-current (multi-kA) electron bunches with high degrees of polarization (up to 95 % for > 2 kA). Bayesian optimization is employed to optimize the multidimensional parameter space associated with colliding pulse injection to obtain percent-level energy spread, sub-micron normalized emittance electron bunches with 90 % polarization using 100-TW class laser systems.
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000582111 650_7 $$2INSPIRE$$aelectron, spin
000582111 650_7 $$2INSPIRE$$ainjection
000582111 650_7 $$2INSPIRE$$apolarization
000582111 650_7 $$2INSPIRE$$aaccelerator
000582111 650_7 $$2INSPIRE$$acapture
000582111 650_7 $$2INSPIRE$$alaser
000582111 650_7 $$2INSPIRE$$abeam profile
000582111 650_7 $$2INSPIRE$$ahigher-dimensional
000582111 650_7 $$2INSPIRE$$aoptimization
000582111 650_7 $$2INSPIRE$$aBayesian
000582111 650_7 $$2INSPIRE$$aplasma
000582111 693__ $$0EXP:(DE-MLZ)NOSPEC-20140101$$5EXP:(DE-MLZ)NOSPEC-20140101$$eNo specific instrument$$x0
000582111 7001_ $$0P:(DE-HGF)0$$aGong, Zheng$$b1
000582111 7001_ $$0P:(DE-HGF)0$$aQuin, Michael J.$$b2
000582111 7001_ $$0P:(DE-HGF)0$$aTamburini, Matteo$$b3
000582111 7001_ $$0P:(DE-H253)PIP1030949$$aPõder, Kristjan$$b4$$eCorresponding author
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000582111 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1019641$$aDeutsches Elektronen-Synchrotron$$b0$$kDESY
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000582111 9141_ $$y2023
000582111 915__ $$0StatID:(DE-HGF)0580$$2StatID$$aPublished
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