Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-07-18
Phys.Rev. D64 (2001) 074006
Physics
High Energy Physics
High Energy Physics - Theory
30 pages latex (single spaced), 7 eps figures, Revised Version, To appear in Physical Review D
Scientific paper
10.1103/PhysRevD.64.074006
We derive source terms for the production of quarks and gluons from the QCD vacuum in the presence of a space-time dependent external chromofield A_{cl} to the order of S^{(1)}. We found that the source terms for the parton production processes A_{cl} -> q\bar{q} and A_{cl},A_{cl}A_{cl} -> gg also include the annihilation processes q\bar{q} -> A_{cl} and gg -> A_{cl},A_{cl}A_{cl}. The source terms we derive are applicable for the description of the production of partons with momentum p larger rhan gA which itself must be larger than \Lambda_{QCD}. We observe that these source terms for the production of partons from a space-time dependent chromofield can be used to study the production and equilibration of the quark-gluon plasma during the very early stages of an ultrarelativistic heavy-ion collision.
Dietrich Dennis. D.
Greiner Walter
Nayak Gouranga C.
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