Regge behaviour of distribution functions and evolution of gluon distribution function in Next-to-Leading order at low-x
U. Jamil, J. K. Sarma
TL;DR
This paper investigates the evolution of gluon distribution functions at low-x using NLO DGLAP equations, assuming Regge behavior, and compares results with established parameterizations to validate the approach.
Contribution
It introduces the assumption of Regge behavior for quark and gluon distributions in NLO DGLAP evolution at low-x, demonstrating compatibility with PQCD.
Findings
Gluon distribution functions align with MRST2004, GRV98LO, and GRV98NLO parameterizations.
Regge behavior assumption is consistent with perturbative QCD at low-x.
Results support the validity of Regge-based models in QCD evolution studies.
Abstract
Evolution of gluon distribution function from Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equation in next-to-leading order (NLO) at low-x is presented assuming the Regge behaviour of quarks and gluons at this limit. We compare our results of gluon distribution function with MRST2004, GRV98LO and GRV98NLO parameterizations and show the compatibility of Regge behaviour of quark and gluon distribution functions with perturbative quantum chromodynamics (PQCD) at low-x.
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