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Polarized proton beams from laser-induced plasmas

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Abstract

We report on the concept of an innovative source to produce polarized proton/deuteron beams of a kinetic energy up to several GeV from a laser-driven plasma accelerator. Spin effects have been implemented into the particle-in-cell (PIC) simulation code VLPL (Virtual Laser Plasma Lab) to make theoretical predictions about the behavior of proton spins in laser-induced plasmas. Simulations of spin-polarized targets show that the polarization is conserved during the acceleration process. For the experimental realization, a polarized HCl gas-jet target is under construction using the fundamental wavelength of a Nd:YAG laser system to align the HCl bonds and simultaneously circularly polarized light of the fifth harmonic to photo-dissociate, yielding nuclear polarized H atoms. Subsequently, their degree of 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.

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DOI:10.1017/hpl.2018.73

基金项目:We thank our colleagues B. F. Shen, L. Ji, J. Xu and L. Zhang from Shanghai Institute of Optics and Fine Mechanics for the various fruitful discussions and their expertise that greatly assisted our research. This work has been carried out in the framework of Space: the JuSPARC (Jülich Short-Pulse Particle and Radiation Center) project and has been supported by the ATHENA (Accelerator Technology HElmholtz iNfrAstructure) consortium. We further acknowledge the computing resources on grant VSR-JPGI61 on the supercomputer JURECA.

收稿日期:2018-10-04

录用日期:2018-11-14

网络出版日期:2018-12-12

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Anna Hützen:Peter Grünberg Institut (PGI-6), Forschungszentrum Jülich, Wilhelm-Johnen-Str. 1, 52425 Jülich, GermanyInstitut für Laser-und Plasmaphysik, Heinrich-Heine-Universit?t Düsseldorf, Universit?tsstr. 1, 40225 Düsseldorf, Germany
Johannes Thomas:Institut für Theoretische Physik I, Heinrich-Heine-Universit?t Düsseldorf, Universit?tsstr. 1, 40225 Düsseldorf, Germany
Jürgen B?ker:Institut für Kernphysik (IKP-4), Forschungszentrum Jülich, Wilhelm-Johnen-Str. 1, 52425 Jülich, Germany
Ralf Engels:Institut für Kernphysik (IKP-2), Forschungszentrum Jülich, Wilhelm-Johnen-Str. 1, 52425 Jülich, Germany
Ralf Gebel:Institut für Kernphysik (IKP-4), Forschungszentrum Jülich, Wilhelm-Johnen-Str. 1, 52425 Jülich, Germany
Andreas Lehrach:Institut für Kernphysik (IKP-4), Forschungszentrum Jülich, Wilhelm-Johnen-Str. 1, 52425 Jülich, GermanyJARA-FAME und III. Physikalisches Institut B, RWTH Aachen, Otto-Blumenthal-Str., 52074 Aachen, Germany
Alexander Pukhov:Institut für Theoretische Physik I, Heinrich-Heine-Universit?t Düsseldorf, Universit?tsstr. 1, 40225 Düsseldorf, Germany
T. Peter Rakitzis:Department of Physics, University of Crete, 71003 Heraklion-Crete, GreeceInstitute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 71110 Heraklion-Crete, Greece
Dimitris Sofikitis:Department of Physics, University of Crete, 71003 Heraklion-Crete, GreeceInstitute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 71110 Heraklion-Crete, Greece
Markus Büscher:Peter Grünberg Institut (PGI-6), Forschungszentrum Jülich, Wilhelm-Johnen-Str. 1, 52425 Jülich, GermanyInstitut für Laser-und Plasmaphysik, Heinrich-Heine-Universit?t Düsseldorf, Universit?tsstr. 1, 40225 Düsseldorf, Germany

联系人作者:Anna Hützen(a.huetzen@fz-juelich.de)

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引用该论文

Anna Hützen, Johannes Thomas, Jürgen B?ker, Ralf Engels, Ralf Gebel, Andreas Lehrach, Alexander Pukhov, T. Peter Rakitzis, Dimitris Sofikitis, and Markus Büscher, "Polarized proton beams from laser-induced plasmas," High Power Laser Science and Engineering 7(1), e16 (2019)

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