Transverse momentum spectrum of dilepton pair in the unpolarized ${\pi }^{-}N$ Drell-Yan process within TMD factorization

Abstract

We study the transverse momentum spectrum of dilepton produced in the unpolarized ${\pi }^{-}N$ Drell-Yan process, using transverse momentum dependent factorization up to next-to-logarithmic order of QCD. We extract the nonperturbative Sudakov form factor for the pion in the evolution formalism of the unpolarized TMD distribution function, by fitting the experimental data collected by the E615 Collaboration at Fermilab. With the extracted Sudakov factor, we calculate the normalized differential cross section with respect to transverse momentum of the dimuon and compare it with the recent measurement by the COMPASS Collaboration.

arXiv comment17 pages, 3 figures

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Cited by in corpus (17)

• Global analysis of the Sivers functions at NLO+NNLL in QCD
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• Spatial and Momentum Imaging of the Pion and Kaon
• Intrinsic Transverse Motion of the Pion's Valence Quarks
• Tomography of pions and protons via transverse momentum dependent distributions
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• Transverse momentum distributions of valence quark in light and heavy vector mesons
• The transverse polarization of $\Lambda$ hyperons in $e^{+}{e}^{-}\to {\Lambda }^{\uparrow }hX$ processes within TMD factorization
• The Drell-Yan process with pions and polarized nucleons
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• The $\sin (2\varphi -{\varphi }_S)$ azimuthal asymmetry in the pion induced Drell-Yan process within TMD factorization
• $\sin ({\varphi }_{\Lambda }-{\varphi }_S)$ azimuthal asymmetry in transversely polarized $\Lambda$ production in SIDIS within TMD factorization at EIC
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