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Related papers: Top-quark pair production near threshold at LHC

200 papers

We compute the total cross section for $t\bar{t}t\bar{t}$ production at next-to-leading logarithmic (NLL$^{\prime}$) accuracy. This is the first time resummation is performed for a hadron-collider process with four colored particles in the…

High Energy Physics - Phenomenology · Physics 2025-06-11 Melissa van Beekveld , Anna Kulesza , Laura Moreno Valero

We construct a resummation at partial next-to-next-to-next-to-leading logarithmic accuracy for hadronic top-quark pair production near partonic threshold, including simultaneously soft-gluon and Coulomb corrections, and use this result to…

High Energy Physics - Phenomenology · Physics 2018-08-29 Jan Piclum , Christian Schwinn

I present approximate N$^3$LO theoretical results for top-antitop pair production, and for single-top production in association with a $W$ boson. The higher-order corrections are from soft-gluon radiation, which is dominant near partonic…

High Energy Physics - Phenomenology · Physics 2017-09-21 Nikolaos Kidonakis

We consider transverse-momentum resummation for top-quark pair production in hadron collisions. At small transverse momenta of the top-quark pair, the logarithmically-enhanced QCD contributions are resummed to all orders up to…

High Energy Physics - Phenomenology · Physics 2018-12-05 Stefano Catani , Massimiliano Grazzini , Hayk Sargsyan

The status of theoretical predictions for top-quark pair production at hadron colliders is reviewed, focusing on the total cross section, differential distributions, and the description of top-quark production and decay including off-shell…

High Energy Physics - Phenomenology · Physics 2018-10-12 Christian Schwinn

We consider top-antitop quark ($t{\bar t}$) production at the Large Hadron Collider (LHC) with subsequent decay into dileptonic and lepton plus jets final states. We present a set of leptonic angular correlations and distributions with…

High Energy Physics - Phenomenology · Physics 2016-01-27 Werner Bernreuther , Dennis Heisler , Zong-Guo Si

We consider top quark pair production in association with a hard jet through next-to-leading order in perturbative QCD. Top quark decays are treated in the narrow width approximation and spin correlations are retained throughout the…

High Energy Physics - Phenomenology · Physics 2013-05-30 Kirill Melnikov , Andreas Scharf , Markus Schulze

We present results at NLO QCD for hadronic production and decay of top quark pairs, taking into account t tbar spin correlations.

High Energy Physics - Phenomenology · Physics 2009-11-07 W. Bernreuther , A. Brandenburg , Z. G. Si , P. Uwer

We consider resonant production of sneutrino and slepton at hadronic colliders such as the Tevatron and the LHC within the context of a R-parity violating supersymmetric model. We present next to leading order QCD corrections to total cross…

High Energy Physics - Phenomenology · Physics 2009-11-07 Debajyoti Choudhury , Swapan Majhi , V. Ravindran

The first measurement of the top quark pair ($\mathrm{t\bar{t}}$) production cross section in proton-proton collisions at $\sqrt{s}$ = 13.6 TeV is presented. Data recorded with the CMS detector at the CERN LHC in Summer 2022, corresponding…

High Energy Physics - Experiment · Physics 2023-09-15 CMS Collaboration

We derive the threshold-resummed total cross section for heavy quark production in hadronic collisions accurate to next-to-next-to-leading logarithm, employing recent advances on soft anomalous dimension matrices for massive pair production…

High Energy Physics - Phenomenology · Physics 2009-11-05 M. Czakon , A. Mitov , G. Sterman

We study the determination of the top-quark mass using leptonic observables in t-channel single top-quark production at the LHC. We demonstrate sensitivity of transverse momentum of the charged lepton on the input top-quark mass. We present…

High Energy Physics - Phenomenology · Physics 2021-04-28 Mei Sen Gao , Shu Run Yuan , Jun Gao

We present a fully differential next-to-next-to-leading order calculation of t-channel single top-quark production and decay at the LHC under narrow-width approximation and neglecting cross-talk between incoming protons. We focus on the…

High Energy Physics - Phenomenology · Physics 2016-11-01 Edmond L. Berger , Jun Gao , C. -P. Yuan , Hua Xing Zhu

Heavy quarks provide a new dimension to QCD, allowing tests of fundamental theory, the nature of color confinement, and the production of new exotic multiquark states. I also discuss novel explanations for several apparently anomalous…

High Energy Physics - Phenomenology · Physics 2014-01-29 Stanley J. Brodsky

Measuring the total cross sections of top-quark pair production and single top processes at high precision tests the predictions of the Standard Model and can bring better understanding of properties such as the top-quark mass, electroweak…

High Energy Physics - Experiment · Physics 2021-03-30 Olga Bessidskaia Bylund

It is shown how nonrelativistic QCD (NRQCD) can be used to determine next-to-next-to-leading order relativistic and short-distance contributions to the total $t\bar t$ production cross section in the threshold regime at lepton colliders. A…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. H. Hoang

We present the calculation of the next-to-leading order QCD corrections for top-quark pair production in association with an additional jet at hadron colliders, using the modified minimal subtraction scheme to renormalize the top-quark…

High Energy Physics - Phenomenology · Physics 2017-12-11 J. Fuster , A. Irles , D. Melini , P. Uwer , M. Vos

Between the Tevatron and LHC, top-quark physics is now becoming an area for precision physics. This has lead to an increase in theoretical activity to match the experimental accuracy of top anti-top production. We discuss the difficulty in…

High Energy Physics - Phenomenology · Physics 2013-11-05 Matthew Dowling , Sven Moch

An overview of the preliminary results of the top quark pair production cross section measurements at a center-of-mass energy of 1.96 TeV carried out by the CDF and D0 collaborations is presented. The data samples used for the analyses are…

High Energy Physics - Experiment · Physics 2019-08-15 E. Shabalina

We present a calculation of the next-to-leading order QCD corrections, with one-scale phase space slicing method, to single top quark production and decay process $p\bar{p},pp\to t\bar{b}+X\to b\ell\nu\bar{b}+X$ at hadron colliders. Using…

High Energy Physics - Phenomenology · Physics 2009-11-10 Qing-Hong Cao , C. -P. Yuan