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A quantitative estimate is presented for the double transverse spin asymmetries at measured q_T in both the Drell-Yan process and W-boson production due to Transverse Momentum Dependent (TMD) effects. These spin asymmetries are calculated…

High Energy Physics - Phenomenology · Physics 2011-07-01 Wilco J. den Dunnen , Daniel Boer , Aram Kotzinian

We perform the first simultaneous extraction of parton collinear and transverse degrees of freedom from low-energy fixed-target Drell-Yan data in order to compare the transverse momentum dependent (TMD) parton distribution functions (PDFs)…

High Energy Physics - Phenomenology · Physics 2023-11-28 P. C. Barry , L. Gamberg , W. Melnitchouk , E. Moffat , D. Pitonyak , A. Prokudin , N. Sato

The transverse-momentum spectrum of Drell-Yan lepton pairs at small $p_T$ probes non-perturbative QCD effects, including intrinsic partonic transverse momentum and initial-state soft-gluon radiation. The novel approach PDF2ISR is employed…

High Energy Physics - Phenomenology · Physics 2026-02-20 D. Subotić , H. Jung , A. V. Kotikov , N. Raičević

We derive a new factorization formula in perturbative quantum chromodynamics for the Drell-Yan massive lepton-pair cross section as a function of the transverse momentum $Q_T$ of the pair. When $Q_T$ is much larger than the pair's invariant…

High Energy Physics - Phenomenology · Physics 2009-11-07 Edmond L. Berger , Jianwei Qiu , Xiaofei Zhang

We predict the triple differential cross section of the Drell-Yan process (pbar p -> l^+l^-X) in the kinematical regimes relevant for the upcoming PANDA experiment, using a model that accounts for quark virtuality as well as primordial…

High Energy Physics - Phenomenology · Physics 2008-11-26 O. Linnyk , K. Gallmeister , S. Leupold , U. Mosel

We present a first practical implementation of a recently proposed hadron structure oriented (HSO) approach to TMD phenomenology applied to Drell-Yan like processes, including lepton pair production at moderate $Q^2$ and $Z^0$ boson…

High Energy Physics - Phenomenology · Physics 2024-06-03 F. Aslan , M. Boglione , J. O. Gonzalez-Hernandez , T. Rainaldi , T. C. Rogers , A. Simonelli

We present an extraction of unpolarised Transverse-Momentum-Dependent Parton Distribution Functions based on Drell-Yan production data from different experiments, including those at the LHC, and spanning a wide kinematic range. We deal with…

High Energy Physics - Phenomenology · Physics 2020-08-26 Alessandro Bacchetta , Valerio Bertone , Chiara Bissolotti , Giuseppe Bozzi , Filippo Delcarro , Fulvio Piacenza , Marco Radici

We report recent results on the extraction of the rapidity evolution kernel for Sudakov processes from experimental measurements of Drell-Yan (DY) transverse momentum distributions. We discuss the role of high-precision Large Hadron…

High Energy Physics - Phenomenology · Physics 2021-10-05 F. Hautmann , I. Scimemi , A. Vladimirov

We investigate the single transverse-spin asymmetry with a $\sin (2\phi-\phi_S)$ modulation in the pion-induced Drell-Yan process within the theoretical framework of the transverse momentum dependent factorization. The asymmetry is…

High Energy Physics - Phenomenology · Physics 2020-03-18 Hui Li , Xiaoyu Wang , Zhun Lu

We estimate the single-spin asymmetries (SSA) which provide the access to transversity as well as to Boer-Mulders and Sivers PDFs via investigation of the single-polarized Drell-Yan (DY) processes with $ pp$, $pD$ and $DD$ collisions…

High Energy Physics - Phenomenology · Physics 2009-05-29 A. Sissakian , O. Shevchenko , A. Nagaytsev , O. Ivanov

We define a Focus Point (FP) Asymmetry, $A_{\rm FP}$, obtained by integrating the normalised transverse momentum distribution of either lepton produced in the Drell-Yan (DY) process below and above a point where a variety of popular…

High Energy Physics - Phenomenology · Physics 2018-03-09 Elena Accomando , Juri Fiaschi , Stefano Moretti , Claire H. Shepherd-Themistocleous

We review the current status and future prospect for probing the transverse momentum dependent (TMD) parton distributions using the Drell-Yan process. We focus on the Boer-Mulders and Sivers functions, which are expected to undergo a…

High Energy Physics - Phenomenology · Physics 2015-06-23 Jen-Chieh Peng

We present the resummed predictions for inclusive cross section for Drell-Yan (DY) production up to next-to-next-to leading logarithmic ($\rm \overline{ NNLL}$) accuracy taking into account both soft virtual (SV) and next-to SV (NSV)…

High Energy Physics - Phenomenology · Physics 2022-04-13 A. H. Ajjath , Pooja Mukherjee , V. Ravindran , Aparna Sankar , Surabhi Tiwari

Drell-Yan pair production is investigated. We reexamine a model where the quark momentum fraction is defined as the ratio of the corresponding light cone components of the quark and parent nucleon in a naive parton-model approach. It is…

High Energy Physics - Phenomenology · Physics 2010-04-06 Fabian Eichstaedt , Stefan Leupold , Ulrich Mosel

We compute all the leading-twist azimuthal spin asymmetries in the pion-proton induced Drell-Yan process. These spin asymmetries arise from convolutions of the leading-twist transverse-momentum-dependent parton distributions (TMDs) of both…

High Energy Physics - Phenomenology · Physics 2024-11-14 Bheemsehan Gurjar , Chandan Mondal

We study the power corrections to the cross-section of Drell-Yan production within the Wilson line approach and apply the methods of QCD asymptotic dynamics to identify the leading renormalon contribution.

High Energy Physics - Phenomenology · Physics 2007-05-23 G. P. Korchemsky

As part of the DESY summer student program 2021, transverse momentum dependent (TMD) parton distributions obtained from the Parton Branching (PB) method were combined with next-to-leading-order (NLO) using the POWHEG method. Computations of…

Measurements of the differential cross section for the Drell-Yan process, based on proton-proton collision data at a centre-of-mass energy of 13 TeV, collected by the CMS experiment, are presented. The data correspond to an integrated…

High Energy Physics - Experiment · Physics 2020-01-29 CMS Collaboration

The COMPASS experiment at CERN is one of the leading experiments studying the nucleon spin structure. Until 2012 the Parton Distribution Functions and the Transverse Momentum Dependent Parton Distribution Functions (TMDs) were extensively…

High Energy Physics - Experiment · Physics 2018-04-26 Celso Franco

We study transverse momentum dependent factorization and resummation at sub-leading power in Drell-Yan and semi-inclusive deep inelastic scattering. In these processes the sub-leading power contributions to the cross section enter as a…

High Energy Physics - Phenomenology · Physics 2023-02-15 Leonard Gamberg , Zhong-Bo Kang , Ding Yu Shao , John Terry , Fanyi Zhao
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