1. Acceleration Dynamics of Laser-Driven MeV-Ion Jets.
- Author
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Hegelich, M., Allen, M., Audebert, P., Blazevic, A., Cowan, T., Fuchs, J., Gauthier, J. C., Geissel, M., Guenther, W., Habs, D., Karsch, S., Kemp, A., Pretzler, G., Roth, M., and Witte, K. J.
- Subjects
ENERGY transfer ,CARBON ,JETS (Fluid dynamics) ,SPECTRUM analysis - Abstract
Collimated jets of carbon and fluorine ions up to 5 MeV/nucleon (∼100MeV) are observed from the rear surface of thin foils irradiated with laser intensities of up to 5 × 10[SUP19]W/cm[SUP2]. The normally dominant proton acceleration could be suppressed by removing the hydrocarbon contaminants by resistive heating. This inhibits screening effects and permits effective energy transfer and acceleration of other ion species. The acceleration dynamics and the spatio-temporal distributions of the accelerating E-fields at the rear surface of the target are inferred from the detailed spectra. [ABSTRACT FROM AUTHOR]
- Published
- 2003