The longitudinal structure function F_L: perturbative QCD and k_T-factorization versus experimental data at fixed W

A.V. Kotikov (TTP; A.V. Lipatov (Moscow State U.); Dubna); Karlsruhe U.& JINR; Moscow State U.); N.P. Zotov (SINP

arxiv: hep-ph/0403135 · v1 · submitted 2004-03-12 · ✦ hep-ph

The longitudinal structure function F_L: perturbative QCD and k_T-factorization versus experimental data at fixed W

A.V. Kotikov (TTP , Karlsruhe U.& JINR , Dubna) , A.V. Lipatov (Moscow State U.) , N.P. Zotov (SINP , Moscow State U.) This is my paper

classification ✦ hep-ph

keywords dataexperimentalstructurealphaapproximationcollinearcomparefixed

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We use results for the structure functions $F_L$ for a gluon target having nonzero transverse momentum square at order $\alpha_s$, obtained in our previous paper, to compare with recent H1 experimental data for $F_L$ at fixwd W values and with collinear GRV predictions at LO and NLO approximation.

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The longitudinal structure function F_L: perturbative QCD and k_T-factorization versus experimental data at fixed W

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