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Title: Self-guided laser wakefield acceleration beyond 1 GeV using ionization-induced injection
Authors: Clayton, C. E.
Ralph, J. E.
Albert, F.
Fonseca, R. A.
Glenzer, S. H.
Joshi, C.
Lu, W.
Marsh, K. A.
Martins, S. F.
Mori, W. B.
Pak, A.
Tsung, F. S.
Pollock, B. B.
Ross, J. S.
Silva, L. O.
Froula, D. H.
Issue Date: 2010
Publisher: American Physical Society
Citation: Clayton, C. E., Ralph, J. E., Albert, F., Fonseca, R. A., Glenzer, S. H., Joshi, C....Froula, D. H. (2010). Self-guided laser wakefield acceleration beyond 1 GeV using ionization-induced injection. Physical Review Letters. 105 (10)
Abstract: The concepts of matched-beam, self-guided laser propagation and ionization-induced injection have been combined to accelerate electrons up to 1.45 GeV energy in a laser wakefield accelerator. From the spatial and spectral content of the laser light exiting the plasma, we infer that the 60 fs, 110 TW laser pulse is guided and excites a wake over the entire 1.3 cm length of the gas cell at densities below 1.5×1018cm-3. High-energy electrons are observed only when small (3%) amounts of CO2 gas are added to the He gas. Computer simulations confirm that it is the K-shell electrons of oxygen that are ionized and injected into the wake and accelerated to beyond 1 GeV energy.
Description: WOS:000281452000007 (Nº de Acesso Web of Science)
Peer reviewed: yes
DOI: 10.1103/PhysRevLett.105.105003
ISSN: 0031-9007
Publisher version: The definitive version is available at:
Appears in Collections:CTI-RI - Artigos em revistas científicas internacionais com arbitragem científica

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