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Transverse momentum dependence of the $T$-even hadronic structure functions in the Drell-Yan process
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abstract
We present detailed analysis of the $T$-even lepton angular distribution in the Drell-Yan process including $\gamma/Z^0$ gauge boson exchange and using perturbative QCD based on the collinear factorization scheme at leading order in the $\alpha_s$ expansion. We focus on the study of the transverse momentum $Q_T$ dependence of the corresponding hadronic structure functions and angular coefficients up to next-next-to-leading order in the $Q_T^2/Q^2$ expansion. We analyze $Q_T$ dependence numerically and compare $T$-even angular coefficients integrated over rapidity with available data of the ATLAS Collaboration at LHC. Additionally, we present our results for the forward-backward asymmetry and compare it with data.
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Cited by 1 Pith paper
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Dilepton angular distributions in the color-dipole $S$-matrix framework
First derivation of Z and W helicity density matrix elements in the color-dipole S-matrix framework, with forward-rapidity predictions at 14 TeV linking the Lam-Tung violation to the UGD tail.
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