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ColorMath - A package for color summed calculations in SU(Nc) · Around

2012

ColorMath - A package for color summed calculations in SU(Nc)

Sjödahl, Malin

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A Mathematica package for color summed calculations in QCD (SU(Nc)) is presented.

Color contractions of any color amplitude appearing in QCD may be performed, and the package uses a syntax which is very similar to how color structure is written on paper.
It also supports the definition of color vectors and bases, and special functions such as scalar products are defined for such color tensors.

Built on

J. E. Paton and H.-M. Chan, Generalized Veneziano model with isospin
1969
Earlier work this paper cites.
P. Dittner, Invariant tensors in SU(3). II
1972
Earlier work this paper cites.
P. Cvitanović, Group theory for Feynman diagrams in non-Abelian gauge theories
1976
Earlier work this paper cites.
P. Cvitanović, P. Lauwers, and P. Scharbach, Gauge invariance structure of quantum chromodynamics
1981
Earlier work this paper cites.
M. L. Mangano, S. J. Parke, and Z. Xu, Duality and multi-gluon scattering
1988
Earlier work this paper cites.

Similar

M. L. Mangano, The color structure of gluon emission
1988
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J. Hakkinen and H. Kharraziha, COLOR: A Computer program for QCD color factor calculations
1997
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Z. Nagy and D. E. Soper, Parton showers with quantum interference
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M. Sjodahl, Color evolution of 2 → \to 3 processes
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J. Kuipers, T. Ueda, J. Vermaseren, and J. Vollinga, FORM version 4.0
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Cited in the paper.
M. Sjodahl, ColorFull – A C++ package for color space calculations
Cited in the paper.

Then

M. Sjodahl, Color structure for soft gluon resummation – a general recipe
Original
2009
Later among the works it cites.
J. Alwall, M. Herquet, F. Maltoni, O. Mattelaer, and T. Stelzer, MadGraph 5 : Going Beyond
Original
2011
Later among the works it cites.
S. Platzer and M. Sjodahl, Subleading N c N_{c} improved parton showers
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2012
Closest in time.
S. Keppeler and M. Sjodahl, Orthogonal multiplet bases in SU(Nc) color space
Original
2012
Closest in time.

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