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arXiv 2301.06343hep-phhep-exhep-th
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关于 NCQED 中康普顿向前散射奇点的评述

Remarks on Compton forward scattering singularity in the NCQED

Josip Trampetić, Jiangyang You

AI总结:

本文在 θ 精确 NCQED 中用依赖 $s/Λ_{\rm NC}^2$ 的截断处理康普顿向前共线奇点,发现其可抑制 NC 修正并使向前区域更易观测,且在 $Λ_{\rm NC}\gtrsim1$ TeV 时有望被未来对撞机探测。

摘要:

我们在 Moyal 空间上的 θ 精确非对易(NC)量子电动力学(QED)(NCQED)中,针对其尚未解决的向前散射奇点,研究了迎头高能康普顿散射的行为。我们通过作为控制变量 $s/Λ_{\rm NC}^2$ 函数的截断,来模拟目前未知的、对这一不可避免共线奇点的解决方案所产生的影响,并发现此类截断函数能够将逆康普顿散射的 NC 修正抑制到可忽略的程度。所讨论的截断使向前区域的非极化积分截面始终大于向后区域,从而使前者可能更易于观测。我们的估计表明,当 NC 标度 $Λ_{\rm NC}\gtrsim1$ TeV 时,这种效应可能在未来的对撞机实验中被观测到。

英文摘要:

We investigate the behaviour of head-to-head high energy Compton scattering in the $θ$-exact noncommutative (NC) quantum electrodynamics (QED) on the Moyal space (NCQED) in the amid its unresolved forward scattering singularity. We model the effect of the currently unknown resolution to this unavoidable collinear singularity by cut-offs which are functions of the control variable $s/Λ_{\rm NC}^2$, and find that such cut-off functions can suppress NC corrections to the inverse Compton scattering to negligible. Discussed cut-offs leave the unpolarised integral cross section of the forward region larger than the backward region all the time, making the former potentially easier to observe. Our estimations indicate that such an effect may be visible in the future collider experiments when the NC scale $Λ_{\rm NC}\gtrsim1$ TeV.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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