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Color-flow decomposition of QCD amplitudes

3 Pith papers cite this work, alongside 167 external citations. Polarity classification is still indexing.

3 Pith papers citing it
167 external citations · Pith
abstract

We introduce a new color decomposition for multi-parton amplitudes in QCD, free of fundamental-representation matrices and structure constants. This decomposition has a physical interpretation in terms of the flow of color, which makes it ideal for merging with shower Monte-Carlo programs. The color-flow decomposition allows for very efficient evaluation of amplitudes with many quarks and gluons, many times faster than the standard color decomposition based on fundamental-representation matrices. This will increase the speed of event generators for multi-jet processes, which are the principal backgrounds to signals of new physics at colliders.

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background 2 method 1

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years

2026 2 2014 1

representative citing papers

Tree Amplitudes with Charged Matter in Pure Gauge Theory

hep-th · 2026-04-20 · unverdicted · novelty 6.0

A new Mathematica package computes tree amplitudes with arbitrary gauge bosons and arbitrarily charged massless fermions by reducing distinct-flavor partial amplitudes to linear combinations of single-flavor supersymmetric Yang-Mills components.

The Monte Carlo Ecosystem in High-Energy Physics: A Primer

hep-ph · 2026-05-15 · accept · novelty 1.0

A primer by six leading developers maps the full Monte Carlo chain (matrix elements, parton showers, hadronisation, detector simulation, tuning, analysis) and the computing and reproducibility issues that come with it.

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Showing 3 of 3 citing papers.