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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

The first results on the complete next-to-next-to-leading order (NNLO) Quantum Chromodynamic (QCD) corrections to the production of di-leptons at hadron colliders in large extra dimension models with spin-2 particles are reported in this…

High Energy Physics - Phenomenology · Physics 2018-10-29 Taushif Ahmed , Pulak Banerjee , Prasanna K. Dhani , M. C. Kumar , Prakash Mathews , Narayan Rana , V. Ravindran

We compute the cross section of inclusive dijet photoproduction in ultraperipheral Pb-Pb collisions at the LHC using next-to-leading order perturbative QCD. We demonstrate that our theoretical calculations provide a good description of…

High Energy Physics - Phenomenology · Physics 2019-07-08 V. Guzey , M. Klasen

We consider the transverse-momentum (q_T) distribution of Drell--Yan lepton pairs produced in hadron collisions. At small values of q_T, we resum the logarithmically-enhanced perturbative QCD contributions up to next-to-next-to-leading…

High Energy Physics - Phenomenology · Physics 2011-03-24 G. Bozzi , S. Catani , G. Ferrera , D. de Florian , M. Grazzini

We report on the first complete computation of the mixed QCD$-$electroweak (EW) corrections to the neutral-current Drell$-$Yan process. Superseding previously applied approximations, our calculation provides the first result at this order…

High Energy Physics - Phenomenology · Physics 2022-01-19 Roberto Bonciani , Luca Buonocore , Massimiliano Grazzini , Stefan Kallweit , Narayan Rana , Francesco Tramontano , Alessandro Vicini

The production cross sections of the inclusive Drell-Yan processes W to l nu and Z/gamma to ll (l=e,mu) are measured in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector. The cross sections are reported integrated over a…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

Generalized parton distributions (GPDs) encoding multidimensional information of hadron partonic structure appear as the building blocks in a factorized description of hard exclusive reactions. The nucleon GPDs have been accessed by deeply…

High Energy Physics - Phenomenology · Physics 2017-03-08 Kazuhiro Tanaka

Exclusive differential spectra in color-singlet processes at hadron colliders are benchmark observables that have been studied to high precision in theory and experiment. We present an effective-theory framework utilizing soft-collinear…

High Energy Physics - Phenomenology · Physics 2017-10-03 Piotr Pietrulewicz , Daniel Samitz , Anne Spiering , Frank J. Tackmann

The Drell-Yan process is studied in the framework of TMD factorization in the Sudakov region $s\gg Q^2\gg q_\perp^2$ corresponding to recent LHC experiments with $Q^2$ of order of mass of Z-boson and transverse momentum of DY pair $\sim$…

High Energy Physics - Phenomenology · Physics 2021-07-27 Ian Balitsky

We evaluate in perturbative QCD the semi-inclusive Drell-Yan cross-section for the production of a single hadron accompaining the lepton pair. We demonstrate to one loop level a collinear factorization formula within the fracture functions…

High Energy Physics - Phenomenology · Physics 2008-11-26 Federico A. Ceccopieri , Luca Trentadue

We compute mixed QCD-electroweak corrections to the neutral-current Drell-Yan production of a pair of massless leptons in the high invariant mass region. Our computation is fully differential with respect to the final state particles. At…

This Letter reports a measurement of the high-mass Drell-Yan differential cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. Based on an integrated luminosity of 4.9 /fb, the differential cross-section…

High Energy Physics - Experiment · Physics 2014-05-08 ATLAS Collaboration

We study the azimuthal asymmetry in the Drell-Yan lepton pair production in hadronic scattering processes at moderate transverse momentum region, taking into account the contributions from the twist-three quark-gluon correlations from the…

High Energy Physics - Phenomenology · Physics 2009-07-24 Jian Zhou , Feng Yuan , Zuo-tang Liang

We predict the triple differential cross section of the unpolarized Drell-Yan process at sqrt(S)=6 GeV. The model incorporates primordial parton transverse momentum and quark off-shellness effects caused by the initial state interaction.

High Energy Physics - Phenomenology · Physics 2009-11-11 O. Linnyk , S. Leupold , U. Mosel

We consider the transverse momentum dependent (TMD) quark densities of the proton which are very important ingredients for unpolarized Drell-Yan (DY) lepton pair production. We calculate the TMD sea quark density as a convolution of the…

High Energy Physics - Phenomenology · Physics 2015-06-23 S. P. Baranov , A. V. Lipatov , N. P. Zotov

We calculate nuclear enhanced power corrections to structure functions measured in deeply inelastic lepton-nucleus scattering in Quantum Chromodynamics (QCD). We find that the nuclear medium enhanced power corrections at order of…

High Energy Physics - Phenomenology · Physics 2009-11-07 Xiaofeng Guo , Jianwei Qiu , Wei Zhu

We present the resummed predictions for inclusive cross-section for Drell-Yan (DY) production as well as onshell $Z,W^\pm$ productions at next-to-next-to-next-to leading logarithmic (N$^{3}$LL) accuracy. Using the standard techniques, we…

High Energy Physics - Phenomenology · Physics 2020-01-31 Ajjath A. H. , Goutam Das , M. C. Kumar , Pooja Mukherjee , V. Ravindran , Kajal Samanta

The energy loss effect in nuclear matter is another nuclear effect apart from the nuclear effects on the parton distribution as in deep inelastic scattering process. The quark energy loss can be measured best by the nuclear dependence of…

High Energy Physics - Phenomenology · Physics 2009-11-11 ChunGui Duan , LiHua Song , ShuoHe Wang , GuangLie Li

Longitudinally polarized, unpolarized and forward-backward mass differential cross sections for Drell-Yan lepton-pair production by arbitrary vector bosons are calculated in next-to-leading order (NLO) QCD. Analytical results are presented…

High Energy Physics - Phenomenology · Physics 2009-10-30 B. Kamal

We discuss about a recent computation of the mixed QCD--EW corrections to the hadroproduction of a massive charged lepton plus the corresponding neutrino through the Drell--Yan mechanism. The calculation, based on an extension of the $q_T$…

High Energy Physics - Phenomenology · Physics 2021-11-01 Luca Buonocore