The technological development in the field of high brightness linear accelerators and high energy/high quality lasers enables today designing high brilliance Compton-X and Gamma-photon beams suitable for a wide range of applications in the innovative field of nuclear photonics. The challenging requirements of this kind of source comprise: tunable energy (1–20 MeV), very narrow bandwidth (0.3%), and high spectral density (104 photons/s/eV). We present here a study focused on the design and the optimization of an electron Linac aimed to meet the source specifications of the European Extreme Light Infrastructure—Nuclear Physics project, currently funded and seeking for an innovative machine design in order to outperform state-of-the-art facilities. We show that the phase space density of the electron beam, at the collision point against the laser pulse, is the main quality factor characterizing the Linac.
Electron Linac design to drive bright Compton back-scattering gamma-ray sources / A. Bacci, D. Alesini, P. Antici, M. Bellaveglia, R. Boni, E. Chiadroni, A. Cianchi, C. Curatolo, G. Di Pirro, A. Esposito, M. Ferrario, A. Gallo, G. Gatti, A. Ghigo, M. Migliorati, A. Mostacci, L. Palumbo, V. Petrillo, R. Pompili, C. Ronsivalle, A.R. Rossi, L. Serafini, B. Spataro, P. Tomassini, C. Vaccarezza. - In: JOURNAL OF APPLIED PHYSICS. - ISSN 0021-8979. - 113:19(2013 May 20), pp. 194508.1-194508.12.
Electron Linac design to drive bright Compton back-scattering gamma-ray sources
C. Curatolo;V. Petrillo;
2013
Abstract
The technological development in the field of high brightness linear accelerators and high energy/high quality lasers enables today designing high brilliance Compton-X and Gamma-photon beams suitable for a wide range of applications in the innovative field of nuclear photonics. The challenging requirements of this kind of source comprise: tunable energy (1–20 MeV), very narrow bandwidth (0.3%), and high spectral density (104 photons/s/eV). We present here a study focused on the design and the optimization of an electron Linac aimed to meet the source specifications of the European Extreme Light Infrastructure—Nuclear Physics project, currently funded and seeking for an innovative machine design in order to outperform state-of-the-art facilities. We show that the phase space density of the electron beam, at the collision point against the laser pulse, is the main quality factor characterizing the Linac.
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