全光超快μ介子加速的展望
Prospects for all-optical ultrafast muon acceleration
摘要:
最近提出了一个在真空中快速、紧凑和可控加速重粒子的方案[F。Peano等人,New J.Phys.10 033028(2008)],其中具有可变频率的两个反向传播激光束驱动具有可变相速度的拍波结构,导致粒子捕获和加速。该技术允许通过调谐频率变化来获得对加速束的能量分布和总电荷的精细控制。在这里,加速方案的理论基础进行了描述,并讨论了应用于超快μ子加速和冷μ子束的快速提取的可能性。
英文摘要:
A scheme for fast, compact, and controllable acceleration of heavy particles in vacuum has been recently proposed [F. Peano et al., New J. Phys. 10 033028 (2008)], wherein two counterpropagating laser beams with variable frequencies drive a beat-wave structure with variable phase velocity, leading to particle trapping and acceleration. The technique allows for fine control over the energy distribution and the total charge of the accelerated beam, to be obtained via tuning of the frequency variation. Here, the theoretical bases of the acceleration scheme are described, and the possibility of applications to ultrafast muon acceleration and to the prompt extraction of cold-muon beams is discussed.
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