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Resonant Scattering of Plane-Wave and Twisted Photons at the Gamma Factory
Annalen Der Physik ( IF 2.4 ) Pub Date : 2021-09-16 , DOI: 10.1002/andp.202100199 Valeriy G. Serbo 1, 2 , Andrey Surzhykov 3, 4, 5 , Andrey Volotka 6
Annalen Der Physik ( IF 2.4 ) Pub Date : 2021-09-16 , DOI: 10.1002/andp.202100199 Valeriy G. Serbo 1, 2 , Andrey Surzhykov 3, 4, 5 , Andrey Volotka 6
Affiliation
A theoretical investigation of the resonant elastic scattering of laser photons by ultra-relativistic partially stripped ions, that is the core process of the Gamma Factory project, is presented. Special emphasis in the study is placed on the angular distribution and polarization of scattered photons as observed in the collider and ion-rest reference frames. In order to describe these (angular and polarization) properties for arbitrary relativistic many-electron ion, the general approach, based on the application of irreducible polarization tensors, is laid down. By making use of the polarization tensors, the scattering of both conventional plane-wave- and twisted (or vortex) photons is explored in detail. For the former case, it is shown how the propagation directions and polarization states of incident and outgoing photons are related to each other for the , , and resonant transitions. For the scattering of initially twisted light that carries non-zero orbital angular momentum, the angular distribution of secondary photons is explored and the conditions under which they are also twisted are discussed.
中文翻译:
Gamma 工厂的平面波和扭曲光子的共振散射
提出了超相对论部分剥离离子对激光光子的共振弹性散射的理论研究,这是伽马工厂项目的核心过程。该研究特别强调了在对撞机和离子静止参考系中观察到的散射光子的角分布和偏振。为了描述任意相对论多电子离子的这些(角度和极化)特性,制定了基于不可约极化张量应用的一般方法。通过利用偏振张量,详细探索了传统平面波和扭曲(或涡旋)光子的散射。对于前一种情况,,, 和共振跃迁。对于携带非零轨道角动量的初始扭曲光的散射,研究了次级光子的角分布,并讨论了它们也被扭曲的条件。
更新日期:2021-09-16
中文翻译:
Gamma 工厂的平面波和扭曲光子的共振散射
提出了超相对论部分剥离离子对激光光子的共振弹性散射的理论研究,这是伽马工厂项目的核心过程。该研究特别强调了在对撞机和离子静止参考系中观察到的散射光子的角分布和偏振。为了描述任意相对论多电子离子的这些(角度和极化)特性,制定了基于不可约极化张量应用的一般方法。通过利用偏振张量,详细探索了传统平面波和扭曲(或涡旋)光子的散射。对于前一种情况,,, 和共振跃迁。对于携带非零轨道角动量的初始扭曲光的散射,研究了次级光子的角分布,并讨论了它们也被扭曲的条件。