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Drell-Yan W/Z electroweak boson production at the LHC is an essential standard candle which is used for calibration of beam luminosity and detector properties. In addition to proton-proton collisions, the LHC has measured heavy nuclei…

High Energy Physics - Phenomenology · Physics 2015-11-02 D. B. Clark

We present a detailed study of the production of a high transverse-momentum lepton pair at hadron colliders, which includes the exact O(alpha) electroweak corrections properly matched with leading logarithmic effects due to multiple photon…

High Energy Physics - Phenomenology · Physics 2009-04-17 C. M. Carloni Calame , G. Montagna , O. Nicrosini , A. Vicini

We compute the next-to-leading order corrections of $O(\alpha_s^2\alpha^3)$ to the hadronic production of two oppositely charged leptons and two hard jets, $p p \to j j l^- l^+$, using Recola and Collier. We include electroweak and QCD…

High Energy Physics - Phenomenology · Physics 2015-06-23 Ansgar Denner , Lars Hofer , Andreas Scharf , Sandro Uccirati

We perform a study of lepton-pair production in association with bottom quarks at the LHC based on the predictions obtained at next-to-leading order in QCD, both at fixed order and matched with a QCD parton shower. We consider a…

High Energy Physics - Phenomenology · Physics 2018-08-15 Emanuele Bagnaschi , Fabio Maltoni , Alessandro Vicini , Marco Zaro

We discuss Drell-Yan production of dileptons at high energies in forward rapidity region in a hybrid high-energy approach. This approach uses unintegrated gluon distributions in one proton and collinear quark/antiquark distributions in the…

High Energy Physics - Phenomenology · Physics 2016-04-20 Wolfgang Schäfer , Antoni Szczurek

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 present phenomenological results for the inclusive cross section for the production of a lepton-pair via virtual photon exchange at next-to-next-to-next-to-leading order (N$^3$LO) in perturbative QCD. In line with the case of Higgs…

High Energy Physics - Phenomenology · Physics 2020-11-17 Claude Duhr , Falko Dulat , Bernhard Mistlberger

We present a next-to-next-to-leading order accurate description of Drell-Yan lepton pair production processes through $\gamma^*/Z$ or $W$ exchange that includes consistently parton shower effects. Results are obtained by upgrading the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Alexander Karlberg , Emanuele Re , Giulia Zanderighi

Born differential cross sections and the lowest-order radiative correction to them are obtained in the kinematics of large-angle final photons emission in high-energy electron-positron annihilation processes. Taking into account possible…

High Energy Physics - Phenomenology · Physics 2009-04-30 E. Bartos , S. Bakmaev , E. A. Kuraev , M. G. Shatnev , M. Secansky

Precision measurements of the Drell-Yan (DY) cross section at the LHC constrain new physics scenarios that involve new states with electroweak (EW) charges. We analyze these constraints and apply them to models that can address the LHC…

High Energy Physics - Phenomenology · Physics 2016-08-24 Florian Goertz , Andrey Katz , Minho Son , Alfredo Urbano

Predictions for Drell--Yan lepton pair production at low dilepton mass and small x at the LHC usually have a large scale dependence. This can be decreased by determining an "optimal factorization scale". In this paper, we reduce this scale…

High Energy Physics - Phenomenology · Physics 2020-04-15 M. Kendi Yamasaki , Emmanuel G. de Oliveira

According to extensive theoretical studies of the high energy limit of QCD, inelastic interactions are dominated by the multi-Regge final states. The appropriate gauge-invariant objects, which simultaneously incorporate the transverse…

High Energy Physics - Phenomenology · Physics 2013-04-22 M. A. Nefedov , N. N. Nikolaev , V. A. Saleev

Achieving the highest precision for theoretical predictions at the LHC requires the calculation of hard-scattering cross-sections that include perturbative QCD corrections up to (N)NNLO and electroweak (EW) corrections up to NLO. Parton…

We present the analytic computation of leading high-energy logarithms of the inclusive Drell-Yan and vector boson production cross-section. We also study the phenomenological relevance of the high-energy corrections for Drell-Yan processes…

High Energy Physics - Phenomenology · Physics 2009-06-26 Simone Marzani , Richard D. Ball

We consider the Drell-Yan processes $pp \to \ell \ell^{(\prime)}$ and $pp\to \ell \bar{\nu}$ at high-$p_T$ as probes of New Physics effects in semileptonic transitions. For this purpose, we describe the $2\to2$ scattering amplitudes in…

High Energy Physics - Phenomenology · Physics 2022-07-26 Darius A. Faroughy

We show that the observation of the Drell-Yan production of low-mass lepton-pairs (M < 20 GeV) at high rapidities (Y > 3) at the LHC can make a direct measurement of parton distribution functions (PDFs) in the low x region, x < 10^{-4}. We…

High Energy Physics - Phenomenology · Physics 2015-06-12 E. G. de Oliveira , A. D. Martin , M. G. Ryskin

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

Measurement at Hadron colliders of neutral- and charged-current Drell-Yan production provide essential constraints in the determination of parton distribution functions. Experimentally, they have reached percent level precision, challenging…

The lepton helicity distributions in the polarized Drell-Yan process at RHIC energy are investigated. For the events with relatively low invariant mass of lepton pair in which the weak interaction is negligible, only the measurement of…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jiro Kodaira , Hiroshi Yokoya

We present the full next-to-next-to-leading order (NNLO) coefficient functions for the polarized cross section $d\Delta \sigma/dQ$ for the Drell-Yan process $p + p\to l^+l^- + 'X'$. Here $'X'$ denotes any inclusive hadronic state and $Q$…

High Energy Physics - Phenomenology · Physics 2010-04-05 V. Ravindran , J. Smith , W. L. van Neerven