Double Deeply Virtual Compton Scattering (DDVCS) is the only experimental channel for the determination of the dependence of the Generalized Parton Distributions (GPDs) on both the average and the transferred momentum independently. The physics observables of the electron induced di-muon production reaction \(\overrightarrow{e}^{\pm }p \rightarrow e^{\pm }p\mu ^+\mu ^-\) off unpolarized hydrogen are discussed. Their measurement with the high luminosity and large acceptance SoLID spectrometer at the Thomas Jefferson National Accelerator Facility, using polarized and unpolarized positron and electron beams at 11 GeV is investigated. This experimental configuration is shown to provide unprecedented access to the GPDs with the determination of the real and imaginary parts of the Compton Form Factor \({\mathcal H}\) in an unexplored phase space, and to enable an exploratory investigation of higher twist effects.

双深度虚拟康普顿散射 (DDVCS) 是唯一用于确定广义部分分布 (GPD) 对平均动量和传递动量的依赖性的唯一实验渠道。讨论了未极化氢的电子诱导双介子产生反应\(\overrightarrow{e}^{\pm }p \rightarrow e^{\pm }p\mu ^+\mu ^-\)的物理观测值。他们使用托马斯杰斐逊国家加速器设施的高亮度和大接受度 SoLID 光谱仪进行测量，使用 11 GeV 的极化和非极化正电子和电子束进行测量。该实验配置显示为通过确定康普顿形状因数的实部和虚部来提供对 GPD 的前所未有的访问\({\mathcal H}\)在未探索的相空间中，并能够对更高的扭曲效应进行探索性研究。