Wuppertal 2015 – wissenschaftliches Programm
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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 2: PWA / TNSA I
AKBP 2.3: Vortrag
Montag, 9. März 2015, 14:30–14:45, BZ.08.04 (HS 2)
Generation of intense sub-nanosecond proton bunches with a novel laser-driven beamline concept — •Diana Jahn1, Simon Busold2,3, Dennis Schumacher2, Christian Brabetz2, Florian Kroll4, Abel Blazevic2,3, Vincent Bagnoud2,3, and Markus Roth1 — 1Technische Universität Darmstadt, Darmstadt, Deutschland — 2GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Darmstadt — 3Helmholtz-Institut Jena, Jena, Deutschland — 4Helmholtzzentrum Dresden Rossendorf
In the context of the Laser Ion Generation, Handling and Transport (LIGHT) research project at GSI, laser-driven ion acceleration and beam shaping are explored, combining a target normal sheath acceleration (TNSA) proton source with conventional accelerator technology. Therefore, an ion test beamline was built at the Z6 experimental area. In the LIGHT experimental campaign in 2014, protons were accelerated via the TNSA mechanism, an energy of 7.8 MeV was selected and collimated with a pulsed solenoid and injected into a rf cavity. Through phase focusing, temporally compressed proton bunches were generated to a pulse length of <500 ps (FWHM) with up to 5·108 particles in a single bunch at a distance of 6 m from the source.