English
Related papers

Related papers: Dynamical scales for multi-TeV top-pair production…

200 papers

The measurement of the triple-differential dijet production cross section as a function of the average transverse momentum $p_{T,\textrm{avg}}$, half the rapidity separation $y^{*}$, and the boost $y_{b}$ of the two leading jets in the…

High Energy Physics - Phenomenology · Physics 2019-10-04 Aude Gehrmann-De Ridder , Thomas Gehrmann , E. W. N. Glover , Alexander Huss , Joao Pires

Few composite exponential models for the differential cross section are proposed to analyse the proton-proton ($pp$) elastic scattering at several energies. These proposed models are fitted to the data for $pp$ elastic differential cross…

High Energy Physics - Phenomenology · Physics 2025-06-09 Muhammad Saad Ashraf , Nosheen Akbar , Sarwat Zahra

I present theoretical results at approximate NNLO from NNLL resummation for top quark production at the LHC and the Tevatron, including new results at 8 TeV LHC energy. Total cross sections are shown for t tbar production, for single top…

High Energy Physics - Phenomenology · Physics 2012-05-16 Nikolaos Kidonakis

The effect of full $7$ sets of LHC ATLAS jet cross sections data at $ \sqrt{s} = 7$ TeV on the proton parton distribution functions (PDFs) up to next-to-next-to-next-to-leading order (NNNLO or N3LO) corrections is investigated for the first…

High Energy Physics - Phenomenology · Physics 2020-05-05 A. Vafaee , K. Javidan , A. B. Shokouhi

Differential cross sections for top quark pair ($\mathrm{t\bar{t}}$) production are measured in proton-proton collisions at a center-of-mass energy of 13 TeV using a sample of events containing two oppositely charged leptons. The data were…

High Energy Physics - Experiment · Physics 2025-02-25 CMS Collaboration

Uncertainties in the parametrization of Parton Distribution Functions (PDFs) are becoming a serious limiting systematic uncertainty in Large Hadron Collider (LHC) searches for Beyond the Standard Model physics. This is especially true for…

High Energy Physics - Experiment · Physics 2019-03-13 Christopher Willis , Raymond Brock , Daniel Hayden , Tie-Jiun Hou , Joshua Isaacson , Carl Schmidt , Chien-Peng Yuan

We assess the impact of top quark production at the LHC on global analyses of parton distributions (PDFs) and of Wilson coefficients in the SMEFT, both separately and in the framework of a joint interpretation. We consider the broadest top…

High Energy Physics - Phenomenology · Physics 2023-06-14 Zahari Kassabov , Maeve Madigan , Luca Mantani , James Moore , Manuel Morales Alvarado , Juan Rojo , Maria Ubiali

We present results for the total top-pair production cross section at the Tevatron and the LHC. Our predictions supplement fixed-order results with resummation of soft logarithms and Coulomb singularities to next-to-next-to-leading (NNLL)…

High Energy Physics - Phenomenology · Physics 2015-06-11 M. Beneke , P. Falgari , S. Klein , J. Piclum , C. Schwinn , M. Ubiali , F. Yan

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

High Energy Physics - Phenomenology · Physics 2019-09-04 Stefano Catani , Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli

We present a global determination of parton distribution functions (PDFs) that accounts for higher twist corrections in deep-inelastic scattering (DIS) and linear power corrections for single inclusive jet and dijet production data from the…

High Energy Physics - Phenomenology · Physics 2026-02-26 Richard D. Ball , Amedeo Chiefa , Roy Stegeman

In the $pp \rightarrow t\bar{t}$ process the angular distributions of top and anti-top quarks are expected to present a subtle difference, which could be enhanced by processes not included in the Standard Model. This Letter presents a…

High Energy Physics - Experiment · Physics 2016-11-21 ATLAS Collaboration

Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than $355$ GeV and the other top quark decays into $\ell \nu b$ are presented using 139 fb$^{-1}$ of data…

High Energy Physics - Experiment · Physics 2022-06-28 ATLAS Collaboration

We consider the effect on LHC jet cross sections on partons distribution functions (PDFs), in particular the MSTW2008 set of PDFs. We first compare the published inclusive jet data to the predictions using MSTW2008, finding a very good…

High Energy Physics - Phenomenology · Physics 2014-08-05 B. J. A. Watt , P. Motylinski , R. S. Thorne

Measurements of single-, double-, and triple-differential cross-sections are presented for boosted top-quark pair-production in 13 $\text{TeV}$ proton-proton collisions recorded by the ATLAS detector at the LHC. The top quarks are observed…

High Energy Physics - Experiment · Physics 2023-06-16 ATLAS Collaboration

We compare predictions for the W, Z, gg->H and t-tbar total cross sections at the Large Hadron Collider (LHC), for a centre-of-mass energy of 7 TeV, using the most recent publicly available next-to-leading order and next-to-next-to-leading…

High Energy Physics - Phenomenology · Physics 2011-09-16 G. Watt

I present results for the top quark pair total cross section and the top quark transverse momentum distribution at Tevatron and LHC energies. I also present results for single top quark production. All calculations include NNLO corrections…

High Energy Physics - Phenomenology · Physics 2011-05-19 Nikolaos Kidonakis

A large number of top quarks will be produced at the Large Hadron Collider (LHC) for Run II period. This will allow us to measure the rare processes from the top sector in great details. We present the study of the top-quark pair production…

High Energy Physics - Experiment · Physics 2015-09-28 Young Kwon Jo , Su Yong Choi , Tae Jeong Kim , Youn Jung Roh

The LHC brings nuclear collisions to the TeV scale for the first time and the first data show the qualitative differences of this new regime. The corresponding phase-space available encompasses completely uncharted regions of QCD in which…

High Energy Physics - Phenomenology · Physics 2015-05-30 Carlos A. Salgado

The study of the properties of the top quark is one of the main goals of the Large Hadron Collider (LHC) physics program. The experimental precision expected at the LHC requires the calculation of several top-quark related observables…

High Energy Physics - Phenomenology · Physics 2014-11-20 R. Bonciani , A. Ferroglia

In this paper we present a study of in-medium jet modifications performed with JEWEL and PYTHIA 6.4, focusing on the uncertainties related to variations of the perturbative scales and nuclear parton distribution functions (PDFs) and on the…

High Energy Physics - Phenomenology · Physics 2021-04-21 A. Andronic , J. Honermann , M. Klasen , C. Klein-Bösing , J. Salomon