Abstract
In a final stage of an accelerator system for heavy ion inertial fusion (HIF), pulse shaping and beam current increase by bunch compression are required for effective pellet implosion. A compact simulator with an electron beam was constructed to understand the beam dynamics. In this study, we investigate theoretically and numerically the beam dynamics for the extreme bunch compression in the final stage of HIF accelerator complex. The theoretical and numerical results implied that the compact experimental device simulates the beam dynamics around the stagnation point for initial low temperature condition.
Highlights
Transport of space charge dominated beams with low emittance is crucial issue for application to inertial confinement fusion (ICF) driven by heavy ion beams [1, 2]
In a final stage of an accelerator system for heavy ion inertial fusion (HIF), pulse shaping and beam current increase by bunch compression are required for effective pellet implosion
We investigate theoretically and numerically the beam dynamics for the extreme bunch compression in the final stage of HIF accelerator complex
Summary
Transport of space charge dominated beams with low emittance is crucial issue for application to inertial confinement fusion (ICF) driven by heavy ion beams [1, 2]. A compact simulator with an electron beam was constructed to understand beam dynamics during final pulse compression for ICF driven by heavy ion beams [3, 4]. It is important to clear the beam dynamics for the precise control of high-current charged particle beams due to effective fuel pellet implosion of ICF. To investigate the limitation of longitudinal pulse compression, we study the space-charge dominated beam dynamics with theoretical and numerical simulation approaches [5]
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