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APS » Journals » Phys. Rev. Lett. » Volume 96 » Issue 15
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Phys. Rev. Lett. 96, 154801 (2006) [4 pages]

Transverse Characteristics of Short-Pulse Laser-Produced Ion Beams: A Study of the Acceleration Dynamics

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E. Brambrink1,2,3,*, J. Schreiber4, T. Schlegel2,3, P. Audebert1, J. Cobble5, J. Fuchs1,6, M. Hegelich5, and M. Roth2,3
1Laboratoire pour l’Utilisation des Lasers Intenses (LULI) Unité Mixte n° 7605 CNRS - CEA - Ecole Polytechnique - Université Pierre et Marie Curie, Ecole polytechnique, Palaiseau, France
2Institute for Nuclear Physics, Darmstadt University of Technology, Darmstadt, Germany
3Gesellschaft für Schwerionenforschung, Darmstadt, Germany
4LMU, München, Germany
5Los Alamos National Laboratories, Los Alamos, New Mexico, USA
6Nevada Terawatt Facility, University of Nevada, Reno, Nevada, USA

Received 19 January 2006; published 21 April 2006

We report on first measurements of the transverse characteristics of laser-produced energetic ion beams in direct comparison to results for laser accelerated proton beams. The experiments show the same low emittance for ion beams as already found for protons. Additionally, we demonstrate that the divergence is influenced by the charge over mass ratio of the accelerated species. From these observations we deduced scaling laws for the divergence of ions as well as the temporal evolution of the ion source size.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.96.154801
DOI:
10.1103/PhysRevLett.96.154801
PACS:
29.27.Fh, 52.38.Kd, 52.40.Kh

*Electronic address: erik.brambrink@polytechnique.fr

 
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