首页|Investigation of proton structure function Fp2 at HERA in light of an analytical solution to the Balitsky-Kovchegov equation
Investigation of proton structure function Fp2 at HERA in light of an analytical solution to the Balitsky-Kovchegov equation
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In this paper,the proton structure function Fp2(x,Q2)at small-x is investigated using an analytical solution to the Balitsky-Kovchegov(BK)equation.In the context of the color dipole description of deep inelastic scattering(DIS),the structure function Fp2(x,Q2)is computed by applying the analytical expression for the scattering amplitude N(k,Y)derived from the BK solution.At transverse momentum k and total rapidity Y,the scattering amplitude N(k,Y)represents the propagation of the quark-antiquark dipole in the color dipole description of DIS.Using the BK solution we extracted the integrated gluon density xg(x,Q2)and then compared our theoretical estimation with the LHAPDF global data fits,NNPDF3.1sx and CT18.Finally,we have investigated the behavior of Fp2(x,Q2)in the kinematic region of 10-5 ≤x≤10-2 and 2.5 GeV2≤Q2≤60 GeV2.Our predicted results for Fp2(x,Q2)within the specified kinematic region are in good agreement with the recent high-precision data for Fp2(x,Q2)from HERA(H1 Collaboration)and the LHAPDF global parametrization group NNPDF3.1sx.
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