Remarks on Compton forward scattering singularity in the NCQED

Trampetić, Josip; You, Jiangyang (2025) Remarks on Compton forward scattering singularity in the NCQED. The European Physical Journal C, 85 (3). ISSN 1434-6052

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Abstract

We investigate the behaviour of head-to-head high energy Compton scattering in the \theta-exact NCQED in the amid its unresolved forward scattering singularity. We model the effect of the currently unknown resolution to this unavoidable singularity by cut-offs which are functions of the control variable s/\varLambda _\textrm{NC}^2, and find that such cut-off functions can suppress NC contributions 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 visible in the future linear collider experiments when the NC scale \varLambda _\textrm{NC}\gtrsim 1 TeV.

Item Type:	Article
Uncontrolled Keywords:	noncommutative quantum electrodynamics; NCQED; high-energy compton scattering; moyal spacetime
Subjects:	NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
Divisions:	Division of Physical Chemistry
Depositing User:	Ema Buhin Šaler
Date Deposited:	24 Mar 2026 12:08
URI:	http://fulir.irb.hr/id/eprint/11433
DOI:	10.1140/epjc/s10052-025-13951-2

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