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High energy heavy ion jets emerging from laser plasma generated by long pulse laser beams from the NHELIX laser system at GSI

Published online by Cambridge University Press:  05 December 2005

G. SCHAUMANN
Affiliation:
Technische Universität Darmstadt, Darmstadt, Germany
M.S. SCHOLLMEIER
Affiliation:
Technische Universität Darmstadt, Darmstadt, Germany
G. RODRIGUEZ-PRIETO
Affiliation:
GSI, Darmstadt, Germany
A. BLAZEVIC
Affiliation:
GSI, Darmstadt, Germany
E. BRAMBRINK
Affiliation:
Technische Universität Darmstadt, Darmstadt, Germany Current address: Ecole Polytechnique, Paris
M. GEISSEL
Affiliation:
Technische Universität Darmstadt, Darmstadt, Germany Current address: Sandia National Laboratories, Albuquerque, New Mexico.
S. KOROSTIY
Affiliation:
GSI, Darmstadt, Germany
P. PIRZADEH
Affiliation:
Technische Universität Darmstadt, Darmstadt, Germany
M. ROTH
Affiliation:
Technische Universität Darmstadt, Darmstadt, Germany
F.B. ROSMEJ
Affiliation:
Université de Provence et CNRS, Marseille, France
A.YA. FAENOV
Affiliation:
Multicharged Ions Spectra Data Center, VNIIFTRI, Moscow, Russia
T.A. PIKUZ
Affiliation:
Multicharged Ions Spectra Data Center, VNIIFTRI, Moscow, Russia
K. TSIGUTKIN
Affiliation:
Weizmann Institute of Science, Rehovot, Israel
Y. MARON
Affiliation:
Weizmann Institute of Science, Rehovot, Israel
N.A. TAHIR
Affiliation:
GSI, Darmstadt, Germany
D.H.H. HOFFMANN
Affiliation:
Technische Universität Darmstadt, Darmstadt, Germany GSI, Darmstadt, Germany

Abstract

High energy heavy ions were generated in laser produced plasma at moderate laser energy, with a large focal spot size of 0.5 mm diameter. The laser beam was provided by the 10 GW GSI-NHELIX laser systems, and the ions were observed spectroscopically in status nascendi with high spatial and spectral resolution. Due to the focal geometry, plasma jet was formed, containing high energy heavy ions. The velocity distribution was measured via an observation of Doppler shifted characteristic transition lines. The observed energy of up to 3 MeV of F-ions deviates by an order of magnitude from the well-known Gitomer (Gitomer et al., 1986) scaling, and agrees with the higher energies of relativistic self focusing.

Type
Workshop on Fast High Density Plasma Blocks Driven By Picosecond Terawatt Lasers
Copyright
© 2005 Cambridge University Press

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