001     862982
005     20210130001745.0
024 7 _ |a 10.18429/JACOW-ICAP2018-SUPAF05
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024 7 _ |a 2128/22348
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037 _ _ |a FZJ-2019-03135
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100 1 _ |a Büscher, Markus
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111 2 _ |a 13th International Computational Accelerator Physics Conference
|g ICAP'18
|c Key Wesr
|d 2018-10-20 - 2018-10-24
|w USA
245 _ _ |a Polarized Proton Beams From Laser-Induced Plasmas
260 _ _ |c 2019
|b JACoW Publishing, Geneva, Switzerland
336 7 _ |a conferenceObject
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336 7 _ |a Proceedings
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336 7 _ |a Conference Proceedings
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336 7 _ |a PROCEEDINGS
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520 _ _ |a Laser-driven particle acceleration has undergone impressive progress in recent years. Nevertheless, one unexplored issue is how the particle spins are influenced by the huge magnetic fields inherently present in the plasmas. In the framework of the JuSPARC (Jülich Short-Pulse Particle and Radiation Center) facility and of the ATHENA consortium, the laser-driven generation of polarized particle beams in combination with the development of advanced target technologies is being pursued. In order to predict the degree of beam polarization from a laser-driven plasma accelerator, particle-in-cell simulations including spin effects have been carried out for the first time. For this purpose, the Thomas-BMT equation, describing the spin precession in electromagnetic fields, has been implemented into the VLPL (Virtual Laser Plasma Lab) code. A crucial result of our simulations is that a target containing pre-polarized hydrogen nuclei is needed for producing highly polarized relativistic proton beams. For the experimental realization, a polarized HCl gas-jet target is under construction the Forschungszentrum Jülich where the degree of hydrogen polarization is measured with a Lamb-shift polarimeter. The final experiments, aiming at the first observation of a polarized particle beam from laser-generated plasmas, will be carried out at the 10 PW laser system SULF at SIOM/Shanghai.
536 _ _ |a 631 - Accelerator R & D (POF3-631)
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650 2 7 |a Nuclear Physics
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650 1 7 |a Basic research
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700 1 _ |a Böker, Jürgen
|0 P:(DE-Juel1)166199
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700 1 _ |a Engels, Ralf
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700 1 _ |a Engin, Ilhan
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700 1 _ |a Gebel, Ralf
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700 1 _ |a Hützen, Anna
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700 1 _ |a Lehrach, Andreas
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700 1 _ |a Pukhov, Alexander
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700 1 _ |a Rakitzis, Peter
|0 P:(DE-HGF)0
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700 1 _ |a Sofikitis, Dimitris
|0 P:(DE-HGF)0
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700 1 _ |a Thomas, Johannes
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773 _ _ |a 10.18429/JACOW-ICAP2018-SUPAF05
856 4 _ |y OpenAccess
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a Forschungszentrum Jülich
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913 1 _ |a DE-HGF
|b Forschungsbereich Materie
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914 1 _ |y 2019
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