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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…

We present high-accuracy QCD predictions for the transverse-momentum ($q_T$) distribution and fiducial cross sections of Drell-Yan lepton pairs produced in hadronic collisions. At small value of $q_T$ we resum to all perturbative orders the…

High Energy Physics - Phenomenology · Physics 2022-01-12 Stefano Camarda , Leandro Cieri , Giancarlo Ferrera

We compute differential distributions for Drell-Yan processes at the LHC and the Tevatron colliders at next-to-next-to-leading order in perturbative QCD, including fiducial cuts on the decay leptons in the final state. The comparison of…

High Energy Physics - Phenomenology · Physics 2025-04-09 S. Alekhin , S. Amoroso , L. Buonocore , A. Huss , S. Kallweit , A. Kardos , J. Michel , S. Moch , F. Petriello , L. Rottoli , Z. Trócsányi , M. Wiesemann

The Drell-Yan process at hadron colliders is a fundamental benchmark for the study of strong interactions and the extraction of electro-weak parameters. The outstanding precision of the LHC demands very accurate theoretical predictions with…

High Energy Physics - Phenomenology · Physics 2024-05-13 X. Chen , T. Gehrmann , E. W. N. Glover , A. Huss , P. Monni , E. Re , L. Rottoli , P. Torrielli

We consider Drell-Yan production $pp\to V^* X \to L X$ at small $q_T \ll Q$. Experimental measurements require fiducial cuts on the leptonic state $L$, which introduce enhanced, linear power corrections in $q_T/Q$. We show that they can be…

High Energy Physics - Phenomenology · Physics 2021-06-25 Markus A. Ebert , Johannes K. L. Michel , Iain W. Stewart , Frank J. Tackmann

We present a detailed comparison of the fixed-order predictions computed by four publicly available computer codes for Drell-Yan processes at the LHC and Tevatron colliders. We point out that while there is agreement among the predictions…

High Energy Physics - Phenomenology · Physics 2021-07-21 S. Alekhin , A. Kardos , S. Moch , Z. Trócsányi

We consider Drell-Yan lepton pairs produced in hadronic collisions. We present high-accuracy QCD predictions for the transverse-momentum ($q_T$) distribution and fiducial cross sections in the small $q_T$ region. We resum to all…

High Energy Physics - Phenomenology · Physics 2023-03-23 Stefano Camarda , Leandro Cieri , Giancarlo Ferrera

We consider QCD radiative corrections to top-quark pair production at hadron colliders. We use the $q_T$ subtraction formalism to perform a fully-differential computation for this process. Our calculation is accurate up to the…

High Energy Physics - Phenomenology · Physics 2016-01-27 Roberto Bonciani , Stefano Catani , Massimiliano Grazzini , Hayk Sargsyan , Alessandro Torre

Building upon the formulation of transverse-momentum resummation for heavy-quark hadroproduction, we present the first application of the $q_T$ subtraction formalism to the computation of electroweak corrections to massive lepton pairs…

High Energy Physics - Phenomenology · Physics 2020-04-22 Luca Buonocore , Massimiliano Grazzini , Francesco Tramontano

The $q_T$ subtraction formalism represents a well established and successful technique to deal with the computation of QCD radiative corrections up to NNLO (and beyond) for a large class of processes relevant at the LHC. We have explored…

High Energy Physics - Phenomenology · Physics 2019-12-18 Luca Buonocore

Drell-Yan lepton pair production processes are extremely important for Standard Model (SM) precision tests and for beyond the SM searches at hadron colliders. Fast and accurate predictions are essential to enable the best use of the…

In this work we extend the $q_T$-subtraction formalism, originally developed for QCD corrections, to the case of mixed QCD$\otimes$QED corrections, and apply it to the fully exclusive calculation of the ${\cal{O}}(\alpha_s\alpha)$…

High Energy Physics - Phenomenology · Physics 2020-10-28 Leandro Cieri , Daniel de Florian , Manuel Der , Javier Mazzitelli

We report on a new calculation of the next-to-next-to-leading order (NNLO) QCD radiative corrections to the inclusive production of top-quark pairs at hadron colliders. The calculation is performed by using the $q_T$ subtraction formalism…

High Energy Physics - Phenomenology · Physics 2019-04-03 Stefano Catani , Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli , Hayk Sargsyan

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 consider the hadroproduction of a massive charged lepton plus the corresponding neutrino through the Drell-Yan mechanism. We present a new computation of the mixed QCD-EW corrections to this process. The cancellation of soft and…

High Energy Physics - Phenomenology · Physics 2021-06-16 Luca Buonocore , Massimiliano Grazzini , Stefan Kallweit , Chiara Savoini , Francesco Tramontano

This thesis arises in the context of precision measurements at hadron colliders. The Tevatron and the LHC provide very accurate measurements of many Standard Model processes, such as the production of a lepton pair (Drell-Yan) of high…

High Energy Physics - Phenomenology · Physics 2012-12-04 Marco Bonvini

We present the production cross section for a lepton-neutrino pair at the Large Hadron Collider computed at next-to-next-to-next-to leading order (N3LO) in QCD perturbation theory. We compute the partonic coefficient functions of a virtual…

High Energy Physics - Phenomenology · Physics 2020-12-30 Claude Duhr , Falko Dulat , Bernhard Mistlberger

While the current frontier in fixed-order precision for collider observables is N$^3$LO, important steps are necessary to consolidate NNLO cross-section predictions with improved stability and efficiency. Slicing methods have been…

High Energy Physics - Phenomenology · Physics 2024-08-13 John Campbell , Tobias Neumann , Gherardo Vita

We compute, in the framework of renormalon calculus, the ${\cal O}(\Lambda_{\rm QCD})$ corrections to the production of $t\bar{t}$ pairs in hadron collisions under the assumption that $q \bar q \to t \bar t$ is the dominant partonic…

High Energy Physics - Phenomenology · Physics 2024-11-25 Sergei Makarov , Kirill Melnikov , Paolo Nason , Melih A. Ozcelik

The study of top-quark production and decay is central in the LHC physics programme, allowing precise tests of the Standard Model and offering a window on possible new physics. Accurate theoretical predictions for this process are therefore…

High Energy Physics - Phenomenology · Physics 2019-12-17 Simone Devoto
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