2012
DOI: 10.1007/jhep10(2012)022
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QCD in the color-flow representation

Abstract: For many practical purposes, it is convenient to formulate unbroken nonabelian gauge theories like QCD in a color-flow basis. We present a new derivation of SU(N ) interactions in the color-flow basis by extending the gauge group to U(N ) × U(1) ′ in such a way that the two U(1) factors cancel each other. We use the quantum action principles to show the equivalence to the usual basis to all orders in perturbation theory. We extend the known Feynman rules to exotic color representations (e.g. sextets) and discu… Show more

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Cited by 63 publications
(63 citation statements)
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“…For this purpose, it has its own analytical [66] as well as k Tordered parton shower, and a built-in interface to Pythia6. Color information is treated in Whizard using the color-flow formalism [67].…”
Section: Jhep12(2016)075mentioning
confidence: 99%
“…For this purpose, it has its own analytical [66] as well as k Tordered parton shower, and a built-in interface to Pythia6. Color information is treated in Whizard using the color-flow formalism [67].…”
Section: Jhep12(2016)075mentioning
confidence: 99%
“…Scattering amplitudes and color factors are factorized in WHIZARD. Color factors are evaluated using the color-flow formalism [5]. WHIZARD can be used for event generation on parton level as well as for the subsequent shower simulation.…”
Section: The Whizard Event Generatormentioning
confidence: 99%
“…It contains a quite elaborate machinery for QCD precision physics, where it uses the color flow formalism [20], it has its own parton shower implementations [21], and quite recently has successfully demonstrated its QCD NLO capabilities [22]. WHIZARD has been used for a plethora of BSM studies, and is able to read in external models, e.g.…”
Section: Pos(lhcp2016)052mentioning
confidence: 99%