28 0 v 1 2 8 Ju l 2 00 5 UFIFT-HEP-05-17 Scattering of Glue by Glue on the Light-cone Worldsheet I : Helicity Non-conserving Amplitudes 1

@inproceedings{Chakrabarti2005280V,
  title={28 0 v 1 2 8 Ju l 2 00 5 UFIFT-HEP-05-17 Scattering of Glue by Glue on the Light-cone Worldsheet I : Helicity Non-conserving Amplitudes 1},
  author={Debraj Chakrabarti and Jianwei Qiu and Charles B. Thorn},
  year={2005}
}
We give the light-cone gauge calculation of the one-loop on-shell scattering amplitudes for gluon-gluon scattering which violate helicity conservation. We regulate infrared divergences by discretizing the p integrations, omitting the terms with p = 0. Collinear divergences are absent diagram by diagram for the helicity non-conserving amplitudes. We also employ a novel ultraviolet regulator that is natural for the light-cone worldsheet description of planar Feynman diagrams. We show that these… CONTINUE READING

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