Generation of femtosecond γ-ray bursts stimulated by laser-driven hosing evolution
Ma, Yong and Chen, Liming and Yan, Wenchao and Huang, Kai and Chen, Min and Sheng, Zhengming and Nakajima, Kazuhisa and Tajima, Toshiki and Zhang, Jie (2016) Generation of femtosecond γ-ray bursts stimulated by laser-driven hosing evolution. Scientific Reports, 6. 30491. ISSN 2045-2322 (https://doi.org/10.1038/srep30491)
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Abstract
The promising ability of a plasma wiggler based on laser wakefield acceleration to produce betatron X-rays with photon energies of a few keV to hundreds of keV and a peak brilliance of 1022-1023 photons/s/mm2 /mrad2 /0.1%BW has been demonstrated, providing an alternative to large-scale synchrotron light sources. Most methods for generating betatron radiation are based on two typical approaches, one relying on an inherent transverse focusing electrostatic field, which induces transverse oscillation, and the other relying on the electron beam catching up with the rear part of the laser pulse, which results in strong electron resonance. Here, we present a new regime of betatron γ-ray radiation generated by stimulating a large-amplitude transverse oscillation of a continuously injected electron bunch through the hosing of the bubble induced by the carrier envelope phase (CEP) effect of the self-steepened laser pulse. Our method increases the critical photon energy to the MeV level, according to the results of particle-in-cell (PIC) simulations. The highly collimated, energetic and femtosecond γ-ray bursts that are produced in this way may provide an interesting potential means of exploring nuclear physics in table top photo nuclear reactions.
ORCID iDs
Ma, Yong, Chen, Liming, Yan, Wenchao, Huang, Kai, Chen, Min, Sheng, Zhengming ORCID: https://orcid.org/0000-0002-8823-9993, Nakajima, Kazuhisa, Tajima, Toshiki and Zhang, Jie;-
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Item type: Article ID code: 57402 Dates: DateEvent26 July 2016Published6 July 2016AcceptedSubjects: Science > Physics > Plasma physics. Ionized gases Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 12 Aug 2016 15:57 Last modified: 25 Nov 2024 01:12 URI: https://strathprints.strath.ac.uk/id/eprint/57402