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arXiv · 1602.00923

A Brief Comment on Multi-Gluon Amplitudes and Double Parton Interactions

Daniele Treleani·Giorgio Calucci
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Abstract

A typical contribution to a color ordered multi-gluon amplitude, which can split into two weakly correlated two-body gluon scattering amplitudes and may thus contribute to a Double Parton Interaction, is briefly discussed. We find that the color ordered amplitude is not enhanced in the typical configuration generated by a DPI, where the transverse momenta of final state gluons are compensated pairwise, while a dominant contribution to the multi-gluon amplitude is due to terms proportional to the fusion amplitude of two initial state gluons. Which corresponds to an amplitude effectively describing a two rather than a three-body partonic interaction.

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Daniele Treleani, Giorgio Calucci. 2016-02-02. A Brief Comment on Multi-Gluon Amplitudes and Double Parton Interactions. https://arxiv.org/abs/1602.00923

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