Transverse momentum dependence of the $T$-even hadronic structure functions in the Drell-Yan process
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| Format: | Preprint |
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2024
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| _version_ | 1866909367366844416 |
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| author | Lyubovitskij, Valery E. Zhevlakov, Alexey S. Anikin, Iurii A. |
| author_facet | Lyubovitskij, Valery E. Zhevlakov, Alexey S. Anikin, Iurii A. |
| contents | We present detailed analysis of the $T$-even lepton angular distribution in the Drell-Yan process including $γ/Z^0$ gauge boson exchange and using perturbative QCD based on the collinear factorization scheme at leading order in the $α_s$ 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_01243 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Transverse momentum dependence of the $T$-even hadronic structure functions in the Drell-Yan process Lyubovitskij, Valery E. Zhevlakov, Alexey S. Anikin, Iurii A. High Energy Physics - Phenomenology We present detailed analysis of the $T$-even lepton angular distribution in the Drell-Yan process including $γ/Z^0$ gauge boson exchange and using perturbative QCD based on the collinear factorization scheme at leading order in the $α_s$ 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. |
| title | Transverse momentum dependence of the $T$-even hadronic structure functions in the Drell-Yan process |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2408.01243 |