Journal Article

PreJuSER-20106

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Particle acceleration in laser-induced relativistic plasmas: a novel approach for polarized sources?

Büscher, M.FZJ* ; Engin, I.FZJ* ; Gibbon, P.FZJ* ; Karmakar, A.FZJ* ; Lehrach, A.FZJ* ; Mennicken, T. ; Raab, N.FZJ* ; Toncian, M. ; Toncian, T. ; Willi, O.

2011
IOP Publ. Bristol

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Please use a persistent id in citations: http://hdl.handle.net/2128/25167  doi:10.1088/1742-6596/295/1/012151

Abstract: The physics of laser-plasma interactions has undergone dramatic improvements in recent years. By directing a multi-TW, ultrashort laser pulse onto a thin foil or a gas jet, it is nowadays possible to produce multi-MeV proton, ion and electron beam s. Although much progress has been made in characterizing and improving the quality of such laser-generated beams, it is still an untouched issue whether the laser-generated beams are or can be spin-polarized and, thus, whether laser-based polarized sourc es are conceivable. To this end, one may either think of a selection of certain spin states through the huge magnetic field gradients that are inherently generated in the laser-generated plasmas, or of pre-polarized target particles which maintain their p olarization during the rapid acceleration procedure. We have developed a method to measure the degree of polarization of protons that have been accelerated at the 200 TW laser facility ARCturus at Duesseldorf University. As a next step, measurements with unpolarized H(2) (for proton acceleration) and (3)He gas (for (3)He ions) are planned and, finally, pre-polarized (3)He will be used.

Note: Record converted from VDB: 12.11.2012 JuSPARC

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Contributing Institute(s):

1. Jülich Supercomputing Centre (JSC)
2. Experimentelle Hadrondynamik (IKP-2)
3. Kernphysikalische Großgeräte (IKP-4)

Research Program(s):

1. Scientific Computing (FUEK411) (FUEK411)
2. Physik der Hadronen und Kerne (FUEK413) (FUEK413)
3. 411 - Computational Science and Mathematical Methods (POF2-411) (POF2-411)

Appears in the scientific report 2011

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