Proof of Factorization of Fragmentation Function in Non-Equilibrium QCD
Nayak, Gouranga C
High Energy Physics - Phenomenology
High Energy Physics - Lattice
High Energy Physics - Theory
Nuclear Theory
Original · EN
In this paper we prove factorization of fragmentation function in non-equilibrium QCD by using Schwinger-Keldysh closed-time path integral formalism. We use the background field method of QCD in a pure gauge in path integral approach to prove factorization of fragmentation function in non-equilibrium QCD. Our proof is valid in any arbitrary gauge fixing parameter α. This may be relevant to study hadron production from quark-gluon plasma at high energy heavy-ion colliders at RHIC and LHC.
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