Gluon production in current nucleus and nucleon - nucleus collisions in a quasiclassical approximation - INSPIRE

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Gluon production in current nucleus and nucleon - nucleus collisions in a quasiclassical approximation

Yuri V. Kovchegov
(
- Columbia U.
)
,
Alfred H. Mueller
(
- Columbia U.
)

Feb, 1998

29 pages

Published in:

Nucl.Phys.B 529 (1998) 451-479

e-Print:

hep-ph/9802440 [hep-ph]

DOI:

10.1016/S0550-3213(98)00384-8

Report number:

CU-TP-876

View in:

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Abstract:

We calculate gluon production in deep inelastic scattering of the current j= - (1/4) F_{\mu\nu}^a F_{\mu\nu}^a off a large nucleus and in nucleon-nucleus collisions. In a covariant gauge calculation the transverse momentum spectrum of the gluon is determined by the final state interactions of the gluon with the nucleons in the nucleus. In a light-cone gauge calculation final state interactions are absent and these effects come from the light-cone wavefunction of the nucleus. We work in an approximation which neglects QCD evolution of gluons in the nucleon, that is in a quasi-classical approximation.

Note:

LaTeX, 29 pages, 19 figures Report-no: CU-TP-876

24.85.+p
12.38.Bx
12.38.Mh
Perturbative QCD
Small- x physics
Nuclear collisions
Small- x physics
nucleon nucleus: nuclear reaction
quantum chromodynamics: current
current: deep inelastic scattering

References(22)

Figures(20)

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