Prospects for statistical tests of strong-field quantum electrodynamics with high-intensity lasers

IF 5.2 1区 物理与天体物理 Q1 OPTICS High Power Laser Science and Engineering Pub Date : 2023-03-01 DOI:10.1017/hpl.2023.64
Christoffer Olofsson, A. Gonoskov
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Abstract

Abstract Exploiting high-energy electron beams colliding into high-intensity laser pulses brings an opportunity to reach high values of the dimensionless rest-frame acceleration $\chi$ and thereby invoke processes described by strong-field quantum electrodynamics (SFQED). Measuring deviations from the results of Furry-picture perturbation theory in SFQED at high $\chi$ can be valuable for testing existing predictions, as well as for guiding further theoretical developments. Nevertheless, such experimental measurements are challenging due to the probabilistic nature of the interaction processes, dominating signals of low- $\chi$ interactions and limited capabilities to control and measure the alignment and synchronization in such collision experiments. Here we elaborate a methodology of using approximate Bayesian computations for drawing statistical inferences based on the results of many repeated experiments despite partially unknown collision parameters that vary between experiments. As a proof-of-principle, we consider the problem of inferring the effective mass change due to coupling with the strong-field environment.
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高强度激光强场量子电动力学统计试验的展望
利用高能电子束碰撞成高强度激光脉冲,可以实现无量纲静帧加速度的高值,从而调用强场量子电动力学(SFQED)描述的过程。在高$\chi$下测量SFQED中Furry-picture摄动理论结果的偏差对于测试现有预测以及指导进一步的理论发展是有价值的。然而,这种实验测量是具有挑战性的,因为相互作用过程的概率性质,主导信号的低$ $ $相互作用和有限的能力来控制和测量这种碰撞实验中的对准和同步。在这里,我们阐述了一种使用近似贝叶斯计算的方法,该方法基于许多重复实验的结果进行统计推断,尽管部分未知的碰撞参数在实验之间有所不同。作为一个原理证明,我们考虑了由于与强场环境耦合而导致的有效质量变化的推断问题。
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来源期刊
High Power Laser Science and Engineering
High Power Laser Science and Engineering Physics and Astronomy-Nuclear and High Energy Physics
CiteScore
7.10
自引率
4.20%
发文量
401
审稿时长
21 weeks
期刊介绍: High Power Laser Science and Engineering (HPLaser) is an international, peer-reviewed open access journal which focuses on all aspects of high power laser science and engineering. HPLaser publishes research that seeks to uncover the underlying science and engineering in the fields of high energy density physics, high power lasers, advanced laser technology and applications and laser components. Topics covered include laser-plasma interaction, ultra-intense ultra-short pulse laser interaction with matter, attosecond physics, laser design, modelling and optimization, laser amplifiers, nonlinear optics, laser engineering, optical materials, optical devices, fiber lasers, diode-pumped solid state lasers and excimer lasers.
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