中文

康普顿散射光子束的数加权角分布对激光强度的依赖性

等离子体物理 2024-07-17 v2 光学

摘要

在强激光场中,超相对论电子的逆康普顿散射产生的光子束,其角度和光谱分布强烈依赖于激光强度。本文表明,通过测量康普顿散射光子束的角度数密度分布,可以精确推断相互作用点的激光强度。该理论经数值模拟验证,在广泛的激光强度(无量纲强度5a0505 \leq a_0 \leq 50)和电子能量(250 MeV E\leq E \leq 15 GeV)范围内,精度优于10%,并考虑了实验特征,如电子束的有限横向尺寸、光子探测器的低能截断以及电子束与激光焦点之间可能存在的横向未对准。

关键词

引用

@article{arxiv.2402.03454,
  title  = {Dependence on laser intensity of the number-weighted angular distribution of Compton-scattered photon beams},
  author = {K. Fleck and T. Blackburn and E. Gerstmayr and M. Bruschi and P. Grutta and M. Morandin and G. Sarri},
  journal= {arXiv preprint arXiv:2402.03454},
  year   = {2024}
}

备注

21 pages, 6 figures Updated: 26 pages, 7 figures Comment: Fixed typos and minor text corrections Comment: Improved discussion in section 4, results unchanged Comment: Included discussion of pair-production in section 4 with new figure, results unchanged Comment: Minor improvements to figures, results unchanged