The Color Structure of Gluon Emission

Mangano, Michelangelo L.

doi:10.1016/0550-3213(88)90453-1

The Color Structure of Gluon Emission

Michelangelo L. Mangano
(
- Fermilab
)

Feb, 1988

15 pages

Published in:

Nucl.Phys.B 309 (1988) 461-475

Published: 1988

DOI:

10.1016/0550-3213(88)90453-1

Report number:

FERMILAB-PUB-88-035-T

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Abstract: (Elsevier)

The color structure of an arbitrary QCD diagram is studied. A basis for the color form factors of a generic amplitude is suggested, in which all the coherence effects are automatically and simply accounted for to the leading order in N c . Some applications of this formalism are given for tree-level amplitudes describing processes with one or two pairs of fermions and radiation of gluons and photons. The different coherence properties of the abelian and non-abelian radiation are exhibited with some analytic and explicit examples, leading to the appearance of string-effect-like correlations for hard non-abelian radiation.

LEPTON HADRON: DEEP INELASTIC SCATTERING
DEEP INELASTIC SCATTERING: LEPTON HADRON
ELECTRON POSITRON: ANNIHILATION
ANNIHILATION: ELECTRON POSITRON
QUARK GLUON: FUSION
GLUON: EMISSION
EMISSION: GLUON
PHOTON: EMISSION
EMISSION: PHOTON
SCATTERING AMPLITUDE

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