Next-to-leading order transverse momentum broadening for Drell-Yan production in p+A collisions

Abstract

We present the nuclear transverse momentum broadening for Drell-Yan lepton pair production in p+A collisions at next-to-leading order (NLO) in powers of strong coupling constant ${\alpha }_s$. We verify that the transverse momentum weighted differential cross section in NLO perturbative QCD (pQCD) at twist-4 can be factorized into the convolution of parton distribution function of an active parton in the projectile proton, a twist-4 multiparton correlation function of the target nucleus, and perturbatively calculable hard coefficient function. We identify a QCD evolution equation for such a twist-4 nuclear gluon-quark correlation function, and verify its universality -- its process independence. This finding demonstrates the prediction power of pQCD factorization approach for studying parton multiple scattering in nuclear medium.

18 pages, 12 figures

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Cited by in corpus (12)

• Medium Induced Transverse Momentum Broadening in Hard Processes
• A global extraction of the jet transport coefficient in cold nuclear matter
• Parton rescattering and gluon saturation in dijet production at EIC
• Effect of medium recoil and $p_T$ broadening on single inclusive jet suppression in high-energy heavy-ion collisions
• New approach to the Sivers effect in the collinear twist-3 formalism
• Nuclear $p_{\perp }$-broadening of an energetic parton pair
• Revisiting heavy quark radiative energy loss in nuclei within the high-twist approach
• Exploring non-perturbative Sudakov factor via $Z^0$-boson production in $pp$ collisions
• Color Glass Condensate meets High Twist Expansion
• Nuclear transverse momentum imbalance in the color dipole approach at the LHC regime
• Extracting the jet transport coefficient of cold nuclear matter from world data
• Glauber quark and gluon contributions to quark energy loss at next-to-leading order and next-to-leading twist