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Related papers: Pion nucleus Drell-Yan process and parton transver…

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We present an analysis of unpolarized Drell-Yan pair production in pion-nucleus scattering with a particular focus into the pion dynamics. The study consists in analyzing the effect of the partonic longitudinal and, especially, transverse…

High Energy Physics - Phenomenology · Physics 2020-01-08 A. Courtoy

During the INT-18-3 workshop, we presented an analysis of unpolarized Drell-Yan pair production in pion-nucleus scattering with a particular focus into the pion Transverse Momentum Distributions in view of the future Electron Ion Collider.…

High Energy Physics - Phenomenology · Physics 2019-10-03 A. Courtoy

We map the distribution of unpolarized quarks inside a unpolarized pion as a function of the quark's transverse momentum, encoded in unpolarized Transverse Momentum Distributions (TMDs). We extract the pion TMDs from available data of…

High Energy Physics - Phenomenology · Physics 2023-01-25 Matteo Cerutti , Lorenzo Rossi , Simone Venturini , Alessandro Bacchetta , Valerio Bertone , Chiara Bissolotti , Marco Radici

We update our previous extraction of transverse momentum distributions of unpolarized quarks in the pion by implementing a more comprehensive description of theoretical uncertainties and, for the first time, by exploring possible…

High Energy Physics - Phenomenology · Physics 2025-09-30 Lorenzo Rossi , Alessandro Bacchetta , Matteo Cerutti , Marco Radici

We study the Drell-Yan process in the polarized pion-nucleon scattering. We calculate the $U(1)_\text{em}$ gauge invariant hadron tensors. To this end, we have to take into account two diagrams---the standard diagram and an additional…

High Energy Physics - Phenomenology · Physics 2018-01-16 I. V. Anikin , L. Szymanowski , O. V. Teryaev , N. Volchanskiy

The quantum statistical approach proposed more than one decade ago was used to determine the parton distributions for the proton by considering a large set of accurate Deep Inelastic Scattering experimental results. We propose to extend…

High Energy Physics - Phenomenology · Physics 2018-12-05 Claude Bourrely , Jacques Soffer

We investigate Drell-Yan pair production in a QCD inspired model, which takes into account all relevant hard processes up to $O(\alpha_s)$. To address the known shortfalls of such a fixed order calculation we introduce phenomenological…

High Energy Physics - Phenomenology · Physics 2011-08-29 Fabian Eichstaedt , Stefan Leupold , Kai Gallmeister , Hendrik van Hees , Ulrich Mosel

The Drell-Yan massive lepton-pair production in hadronic collisions provides a unique tool complementary to the Deep-Inelastic Scattering for probing the partonic substructures in hadrons. We review key concepts, approximations, and…

High Energy Physics - Phenomenology · Physics 2015-06-18 Jen-Chieh Peng , Jian-Wei Qiu

We extract the pion transverse momentum dependent (TMD) parton distribution by fitting the pion-induced Drell-Yan process within the framework of TMD factorization. The analysis is done at the next-to-next-to-leading order (NNLO) with…

High Energy Physics - Phenomenology · Physics 2020-01-08 Alexey Vladimirov

We study the Drell-Yan cross section differential with respect to the transverse momentum of the produced lepton pair. We consider data with moderate invariant mass Q of the lepton pair, between 4.5 GeV and 13.5 GeV, and similar (although…

High Energy Physics - Phenomenology · Physics 2019-07-31 Alessandro Bacchetta , Giuseppe Bozzi , Martin Lambertsen , Fulvio Piacenza , Julius Steiglechner , Werner Vogelsang

We perform a new Monte Carlo QCD analysis of pion parton distribution functions, including, for the first time, transverse momentum dependent pion-nucleus Drell-Yan cross sections together with $p_{\rm T}$-integrated Drell-Yan and leading…

High Energy Physics - Phenomenology · Physics 2021-12-01 N. Y. Cao , P. C. Barry , N. Sato , W. Melnitchouk

The Drell-Yan process provides important information on the internal structure of hadrons including transverse momentum dependent parton distribution functions (TMDs). In this work we present calculations for all leading twist structure…

High Energy Physics - Phenomenology · Physics 2021-02-24 S. Bastami , L. Gamberg , B. Parsamyan , B. Pasquini , A. Prokudin , P. Schweitzer

We study Drell-Yan (DY) dilepton production in proton(deuterium)-nucleus and in nucleus-nucleus collisions within the light-cone color dipole formalism. This approach is especially suitable for predicting nuclear effects in the DY cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Z. Kopeliovich , J. Raufeisen , A. V. Tarasov , M. B. Johnson

It has been observed in the literature that measurements of low-mass Drell-Yan (DY) transverse momentum spectra at low center-of-mass energies $\sqrt{s}$ are not well described by perturbative QCD calculations in collinear factorization in…

The Drell-Yan process is an invaluable tool for probing the structure of hadrons, and the pion-induced Drell-Yan process is unique in its sensitivity to several subtleties of the partonic structure. This is a brief review of the pionic…

Nuclear Theory · Physics 2015-06-16 Wen-Chen Chang , Dipangkar Dutta

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

In this paper, we study the parton dynamics in Drell-Yan collisions involving proton-nuclei interactions in the limit of small transverse momentum, emphasizing the role of the cold nuclear matter effects. The distribution of transverse…

High Energy Physics - Phenomenology · Physics 2024-08-21 Weiyao Ke , John Terry , Ivan Vitev

We have studied the prospects of using the Drell-Yan dilepton process in pion-nucleus collisions as a novel input in the global analysis of nuclear parton distribution functions (nPDFs). In a NLO QCD framework, we find the measured nuclear…

High Energy Physics - Phenomenology · Physics 2017-10-17 Petja Paakkinen , Kari J. Eskola , Hannu Paukkunen

The Parton-Branching Method (PB) facilitates the determination of Transverse Momentum Dependent (TMD) parton densities across a wide \kt\ range, spanning small to large transverse momentum scales. In the small $k_T$ region, both intrinsic…

High Energy Physics - Phenomenology · Physics 2024-02-27 S. Taheri Monfared

We present a detailed analysis of meson-induced massive lepton (muon) Drell--Yan production for the process $\pi^{-}N\to\mu^{+}\mu^{-}X$, considering both an unpolarized nucleon target and longitudinally polarized protons. Using a QCD…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. P. Bakulev , N. G. Stefanis , O. V. Teryaev
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