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High Energy Physics - Phenomenology

arXiv:hep-ph/0503024 (hep-ph)
[Submitted on 2 Mar 2005 (v1), last revised 9 Sep 2005 (this version, v3)]

Title:Noncommutative QED corrections to e^+e^-\toγγγat linear collider energies

Authors:Alberto Devoto, Stefano Di Chiara, Wayne W. Repko
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Abstract: We compute the total cross section as well as angular and energy distributions for process $e^+e^-\to\gamma\gamma\gamma$ with both unpolarized and polarized beams in the framework of noncommutative quantum electrodynamics (NCQED). The calculation is performed in the center of mass of colliding electron and positron and is evaluated for energies and integrated luminosities appropriate to future linear colliders. We find that by using unpolarized beams it is possible to probe the Lorentz symmetry violating azimuthal dependence of the cross section. Furthermore, with polarized beams the left-right asymmetry of the CP violating NCQED amplitudes can be used to obtain bounds on the noncommutative scale $\Lambda_{NC}$ which exceed 1.0 TeV.
Comments: version accepted by Physical Review
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0503024
  (or arXiv:hep-ph/0503024v3 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0503024
Journal reference: Phys.Rev.D72:056006,2005
Related DOI: https://doi.org/10.1103/PhysRevD.72.056006

Submission history

From: Wayne W. Repko [view email]
[v1] Wed, 2 Mar 2005 15:51:40 UTC (106 KB)
[v2] Sun, 20 Mar 2005 19:28:35 UTC (106 KB)
[v3] Fri, 9 Sep 2005 20:52:53 UTC (160 KB)
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