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Related papers: Moments for positivity: using Drell-Yan data to te…

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The production of lepton pairs (Drell-Yan process) at the LHC is being measured to high precision, enabling the extraction of distributions that are triply differential in the di-lepton mass and rapidity as well as in the scattering angle…

High Energy Physics - Phenomenology · Physics 2023-08-09 A. Gehrmann-De Ridder , T. Gehrmann , E. W. N. Glover , A. Huss , C. T. Preuss , D. M. Walker

Among the physics goals of LHC experiments, precision tests of the Standard Model in the Strong and Electroweak sectors play an important role. Because of nature of the proton-proton processes, observables based on the measurement of the…

High Energy Physics - Phenomenology · Physics 2016-09-21 E. Richter-Was , Z. Was

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 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

We consider the positivity bounds on dimension-8 four-electron operators and study two related phenomenological aspects at future lepton colliders. First, if positivity is violated, probing such violations will revolutionize our…

High Energy Physics - Phenomenology · Physics 2021-04-22 Benjamin Fuks , Yiming Liu , Cen Zhang , Shuang-Yong Zhou

We propose the ``naive" $T$-odd Collins-Soper moments in the Drell-Yan process as probes of previously unexplored directions in the Standard Model Effective Field Theory (SMEFT) parameter space. We show that the moments $A_6$ and $A_7$ in…

High Energy Physics - Phenomenology · Physics 2026-04-02 Frank Petriello , Kaan Şimşek

We demonstrate that measurements of the neutral-current Drell-Yan transverse momentum distribution binned in invariant mass are sensitive to unexplored dimension-8 parameters of the Standard Model Effective Field Theory (SMEFT). These…

High Energy Physics - Phenomenology · Physics 2022-09-14 Radja Boughezal , Yingsheng Huang , Frank Petriello

We present a detailed numerical study of lepton-pair production via the Drell-Yan process above the Z-peak at the LHC. Our results consistently combine next-to-next-to-leading order QCD corrections and next-to-leading order electroweak…

High Energy Physics - Phenomenology · Physics 2014-03-05 Radja Boughezal , Ye Li , Frank Petriello

By tagging one or two intact protons in the forward direction, it is possible to select and measure exclusive photon-fusion processes at the LHC. The same processes can also be measured in heavy ion collisions, and are often denoted as…

High Energy Physics - Phenomenology · Physics 2024-01-19 Jiayin Gu , Chi Shu

The lepton angular distributions of the Drell-Yan process in the fixed-target experiments are investigated by NLO and NNLO perturbative QCD. We present the calculated angular parameters $\lambda$, $\mu$, $\nu$ and the degree of violation of…

High Energy Physics - Phenomenology · Physics 2019-08-01 Wen-Chen Chang , Randall Evan McClellan , Jen-Chieh Peng , Oleg Teryaev

A multivariate likelihood method to measure electroweak couplings with the Drell-Yan process at the LHC is presented. The process is described by the dilepton rapidity, invariant mass, and decay angle distributions. The decay angle…

High Energy Physics - Experiment · Physics 2012-08-27 the CMS Collaboration

Precision determinations of Standard Model (SM) Electro-Weak (EW) parameters at the Large Hadron Collider (LHC) are dominated by uncertainties due to Parton Distribution Functions (PDFs). Reweighting and profiling techniques are routinely…

High Energy Physics - Phenomenology · Physics 2021-05-26 Juri Fiaschi , Francesco Giuli , Francesco Hautmann , Stefano Moretti

We analyze the transverse momentum ($p_{T}$) spectra of lepton pairs ($\ell\bar \ell$) generated in the Drell-Yan process, as detected in proton-nucleus (pion-nucleus) and proton-(anti)proton collisions by ten collaborations over a…

High Energy Physics - Phenomenology · Physics 2021-06-02 Xu-Hong Zhang , Fu-Hu Liu

The lepton angular distributions of the Drell-Yan process in fixed-target experiments are investigated by NLO and NNLO perturbative QCD. We present the calculated angular parameters $\lambda$, $\mu$, $\nu$ and the degree of violation of the…

High Energy Physics - Phenomenology · Physics 2019-01-28 Wen-Chen Chang , Randall Evan McClellan , Jen-Chieh Peng , Oleg Teryaev

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 study the Drell-Yan process mediated by a new bosonic resonance at the LHC. The bosons of spin-0, 1, and 2 with the most general leading-order couplings to Standard Model fermions and gluons are considered, which provide a…

High Energy Physics - Phenomenology · Physics 2013-05-30 Cheng-Wei Chiang , Neil D. Christensen , Gui-Jun Ding , Tao Han

We show that high energy measurements of Drell-Yan at the LHC can serve as electroweak precision tests. Dimension-6 operators, from the Standard Model Effective Field Theory, modify the high energy behavior of electroweak gauge boson…

High Energy Physics - Phenomenology · Physics 2017-06-27 Marco Farina , Giuliano Panico , Duccio Pappadopulo , Joshua T. Ruderman , Riccardo Torre , Andrea Wulzer

We make theoretical predictions for the recently introduced variable \phi* corresponding to the azimuthal angle between leptons produced in the Drell-Yan process at the LHC. As a consequence of this work we are also able to generate results…

High Energy Physics - Phenomenology · Physics 2012-08-24 Andrea Banfi , Mrinal Dasgupta , Simone Marzani , Lee Tomlinson

We study the influence of unitarity corrections on the Drell-Yan transverse momentum distribution within the color dipole approach. These unitarity corrections are implemented through the multiple scattering Glauber-Mueller approach, which…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. A. Betemps , M. B. Gay Ducati , M. V. T. Machado , J. Raufeisen

Measurements of neutral current Drell-Yan production at large invariant dilepton masses can be used to test the energy scale dependence (running) of the electroweak mixing angle. In this work, we make use of a novel implementation of the…

High Energy Physics - Phenomenology · Physics 2024-03-12 Simone Amoroso , Mauro Chiesa , Clara Lavinia Del Pio , Katerina Lipka , Fulvio Piccinini , Federico Vazzoler , Alessandro Vicini
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