Solution of Evolution Equation for Longitudinal Structure Function F
L
upto Next-to-Next-to-Leading Order and Its t-Evolution at Small-x |
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Authors: | N Baruah N M Nath J K Sarma |
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Institution: | 1. HEP Laboratory, Department of Physics, Tezpur University, Tezpur, Assam, 784 028, India
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Abstract: | The aim of the present paper is to calculate longitudinal structure function F L from QCD (Quantum Chromodynamics) evolution equation in next-to-next-to-leading order (NNLO) at small-x. The calculation of F L is important for the phenomenological study of gluon distribution function inside the nucleon. Here we use Taylor Series Expansion method to solve the evolution equation for small-x and thus obtain t-evolution of F L structure function. The calculated results are compared with H1 and ZEUS data and results of Block and Donnachie-Landshoff (DL) models. |
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