质子- laser碰撞中的Laser光子合并
Laser photon merging in proton-laser collisions
摘要：
研究了高能质子束与线偏振强激光场碰撞过程中产生的量子电动力学真空偏振效应。在严格考虑激光场的情况下，计算了激光光子与质子电磁场相互作用后合为一个光子的概率。然后，根据不同的实验设置适合于检测微扰和非微扰真空极化效应的概率的渐近。实验上最可行的设置包括使用强激光场。它示出，在这种情况下，测量的出射光子的偏振和它的角分布提供了有前途的工具来检测这些效果的第一次。
英文摘要：
The quantum electrodynamical vacuum polarization effects arising in the collision of a high-energy proton beam and a strong, linearly polarized laser field are investigated. The probability that laser photons merge into one photon by interacting with the proton`s electromagnetic field is calculated taking into account the laser field exactly. Asymptotics of the probability are then derived according to different experimental setups suitable for detecting perturbative and nonperturbative vacuum polarization effects. The experimentally most feasible setup involves the use of a strong optical laser field. It is shown that in this case measurements of the polarization of the outgoing photon and and of its angular distribution provide promising tools to detect these effects for the first time.
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