English
Related papers

Related papers: Discovery in Drell-Yan Processes at the LHC

200 papers

The unpolarized, helicity and transversity distributions of quarks in the proton are calculated in the overlap representation of light-cone wavefunctions truncated to the lowest order Fock-space components with three valence quarks. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Pasquini , M. Pincetti , S. Boffi

New possibilities arising from the availability at GSI of antiproton beams, possibly polarised, are discussed. The investigation of the nucleon structure can be boosted by accessing in Drell-Yan processes experimental asymmetries related to…

High Energy Physics - Experiment · Physics 2019-08-14 M. Maggiora

The measurement of Single Transverse-Spin Asymmetries, $A_N$, for various quarkonium states and Drell-Yan lepton pairs can shed light on the orbital angular momentum of quarks and gluons, a fundamental ingredient of the proton-spin puzzle.…

We discuss the sensitivity of theoretical predictions of observables used in searches for new physics to parton distributions (PDFs) at large momentum fraction $x$. Specifically, we consider the neutral-current Drell-Yan production of gauge…

High Energy Physics - Phenomenology · Physics 2023-01-18 Richard D. Ball , Alessandro Candido , Stefano Forte , Felix Hekhorn , Emanuele R. Nocera , Juan Rojo , Christopher Schwan

We present comprehensive analysis of the angular structure of the Drell-Yan process at different rapidity and kinematical ranges using data of the ATLAS, LHCb, and CMS Collaborations at CERN LHC. From theory side we discuss next-to-leading…

High Energy Physics - Phenomenology · Physics 2025-03-21 Valery E. Lyubovitskij , Alexey S. Zhevlakov , Iurii A. Anikin

The Drell-Yan process is a copious source of lepton pairs at high energy and is measured with great precision at the Large Hadron Collider (LHC). Barring any new light particles, beyond the Standard Model effects can be studied in Drell-Yan…

High Energy Physics - Phenomenology · Physics 2019-03-06 S. Dawson , P. P. Giardino , A. Ismail

The experimental determination of the properties of the newly discovered boson at the Large Hadron Collider is currently the most crucial task in high energy physics. We show how information about the spin, parity, and, more generally, the…

High Energy Physics - Phenomenology · Physics 2014-02-19 Sara Bolognesi , Yanyan Gao , Andrei V. Gritsan , Kirill Melnikov , Markus Schulze , Nhan V. Tran , Andrew Whitbeck

Based on the use of contour gauge and collinear factorization, we propose a new set of single spin asymmetry which can be measured in polarized Drell-Yan process by SPD@NICA. We stress that the discussed single transverse spin asymmetries…

High Energy Physics - Phenomenology · Physics 2018-02-14 I. V. Anikin , L. Szymanowski , O. V. Teryaev , N. Volchanskiy

The Standard Model extensions with vector-like states which have either zero hypercharge or zero weak isospin are rather poorly constrained by the electroweak precision measurements. Such new states would however modify the running of the…

High Energy Physics - Phenomenology · Physics 2017-05-23 Christian Gross , Oleg Lebedev , Jose Miguel No

The tensor-polarized structures of the deuteron can be probed through the proton-deuteron Drell-Yan process, where the proton is unpolarized and the deuteron is tensor polarized. This measurement will be conducted at Fermilab in the near…

High Energy Physics - Phenomenology · Physics 2025-03-26 Si-Yi Qiao , Qin-Tao Song

In this paper, we investigate the Drell-Yan process with the intermediate heavy $Z'$ boson. We use a general approach to the Abelian $Z'$ that utilizes the renormalization-group relations between the $Z'$ couplings and allows to reduce the…

High Energy Physics - Phenomenology · Physics 2014-01-14 Alexey Gulov , Andrey Kozhushko

We consider the color gauge invariance of a factorized description of the Drell-Yan process cross section. In particular, we focus on the next-to-leading twist contributions for polarized scattering and on the cross section differential in…

High Energy Physics - Phenomenology · Physics 2009-10-31 Daniel Boer , P. J. Mulders

The Drell-Yan di-lepton production at hadron colliders is by far the preferred channel to search for new heavy spin-1 particles. Traditionally, such searches have exploited the Narrow Width Approximation (NWA) for the signal, thereby…

High Energy Physics - Phenomenology · Physics 2016-08-24 Elena Accomando , Daniele Barducci , Stefania De Curtis , Juri Fiaschi , Stefano Moretti , Claire H. Shepherd-Themistocleous

New Physics scenarios generally predict the existence of very heavy quantum states that can possibly manifest themselves as peaks in the cross sections at the LHC. For values of the parameters in certain domains, different nonstandard…

High Energy Physics - Phenomenology · Physics 2011-09-30 P. Osland , A. A. Pankov , N. Paver , A. V. Tsytrinov

We present the results of a detailed study of the large transverse momentum Drell-Yan process, pp --> (Gamma^*, Z^*)X --> l^+l^- X at collider energies, with either one or both protons polarised, allowing the study of single- and…

High Energy Physics - Phenomenology · Physics 2009-10-22 E. Leader , Sridhar K

We study the impact of parton correlations on the double Drell-Yan process, i.e. on the production of two electroweak gauge bosons by double parton scattering in a single proton-proton collision. Spin correlations between two partons in a…

High Energy Physics - Phenomenology · Physics 2013-01-23 Tomas Kasemets , Markus Diehl

Complete one-loop electroweak corrections to neutral current Drell-Yan process $p p \to \ell^+\ell^- X$ are presented for the case of longitudinal polarization of initial particles. Cross sections for longitudinally polarized protons allow…

High Energy Physics - Phenomenology · Physics 2023-05-10 S. Bondarenko , Ya. Dydyshka , L. Kalinovskaya , R. Sadykov , V. Yermolchyk

We present detailed analysis of the $T$-even lepton angular distribution in the Drell-Yan process including $\gamma/Z^0$ gauge boson exchange and using perturbative QCD based on the collinear factorization scheme at leading order in the…

High Energy Physics - Phenomenology · Physics 2024-10-29 Valery E. Lyubovitskij , Alexey S. Zhevlakov , Iurii A. Anikin

We study the LHC phenomenology of a couple of mass-degenerate heavy new gauge bosons with the quantum numbers of the Z and photon. We give a leading-order estimate of the number of events expected in Drell-Yan processes in terms of the…

High Energy Physics - Phenomenology · Physics 2014-11-18 Maurizio Piai , Mark Round

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