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Related papers: Extracting the top-quark running mass using $t\bar…

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Measurements of the top-quark mass employing alternative techniques are presented, performed by the D0 and CDF collaborations at the Tevatron as well as the ATLAS and CMS experiments at the LHC. The alternative methods presented include…

High Energy Physics - Experiment · Physics 2014-12-01 Stefanie Adomeit

The mass of the top quark is measured using top-antitop-quark pair events with high transverse momentum top quarks. The dataset, collected with the ATLAS detector in proton--proton collisions at $\sqrt{s}=13$ TeV delivered by the Large…

High Energy Physics - Experiment · Physics 2025-06-16 ATLAS Collaboration

We study the pair production of scalar top-quark partners decaying to a top-quark pair plus large missing energy at the LHC, a signature which appears in numerous models that address outstanding problems at the TeV-scale. The severe…

High Energy Physics - Phenomenology · Physics 2013-12-09 Radja Boughezal , Markus Schulze

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

We compute the next-to-next-to-leading order (NNLO) QCD correction to the total cross-section for the reaction gg \to t\bar t + X. Together with the partonic channels we computed previously, the result derived in this letter completes the…

High Energy Physics - Phenomenology · Physics 2013-08-06 Michal Czakon , Paul Fiedler , Alexander Mitov

The order $\alpha_s^2 \alpha$ mixed QCD and weak corrections to top quark pair production by quark antiquark annihilation are computed, keeping the full dependence on the $t$ and $\bar t$ spins. We determine the contributions to the cross…

High Energy Physics - Phenomenology · Physics 2009-11-11 W. Bernreuther , M. Fuecker , Z. G. Si

The mass of the top quark is measured using a sample of $\rm{t}\bar{\rm t}$ candidate events with one lepton, muon or electron, and at least four jets in the final state, collected by the CMS detector in pp collisions at…

High Energy Physics - Experiment · Physics 2018-07-01 Nataliia Kovalchuk

A brief summary of the current status of the next-to-leading order QCD corrections to top quark pair production and the associated production of top anti-top with jet(s) in different configurations, i.e. with one jet, two jets and another…

High Energy Physics - Phenomenology · Physics 2013-08-13 Malgorzata Worek

The mass of the top quark is measured using a sample of $\mathrm{t\overline{t}}$ events collected by the CMS detector using proton-proton collisions at $\sqrt{s} =$ 13 TeV at the CERN LHC. Events are selected with one isolated muon or…

High Energy Physics - Experiment · Physics 2022-04-15 CMS Collaboration

We describe predictions for top-quark pair differential distributions at hadron colliders, which combine state-of-the-art NNLO QCD calculations and NLO electroweak corrections together with double resummation at NNLL$'$ accuracy of…

Single- and double-differential cross-section measurements are presented for the production of top-quark pairs, in the lepton + jets channel at particle and parton level. Two topologies, resolved and boosted, are considered and the results…

High Energy Physics - Experiment · Physics 2020-01-13 ATLAS Collaboration

The mass of the top quark is measured in a data set corresponding to 4.6 fb$^{-1}$ of proton-proton collisions with centre-of-mass energy $\sqrt{s}=7$ TeV collected by the ATLAS detector at the LHC. Events consistent with hadronic decays of…

High Energy Physics - Experiment · Physics 2015-04-29 ATLAS Collaboration

We propose a new method to measure a theoretically well-defined top quark mass at the LHC. This method is based on the "weight function method," which we proposed in our preceding paper. It requires only lepton energy distribution and is…

High Energy Physics - Phenomenology · Physics 2018-05-09 Sayaka Kawabata , Yasuhiro Shimizu , Yukinari Sumino , Hiroshi Yokoya

The production of top-quark pairs that subsequently decay hadronically and leptonically (lepton+jets channel) is one of the key processes for the study of top-quark properties at the LHC. In this article, NLO QCD corrections of order…

High Energy Physics - Phenomenology · Physics 2018-03-14 Ansgar Denner , Mathieu Pellen

Future hadron collider experiments are expected to record large to huge samples of $t\bar t$ events. The analysis of these data with respect to $t\bar t$ spin-spin correlations requires precise predictions of the production of these quark…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Bernreuther , A. Brandenburg , Z. G. Si

We present in detail a calculation of the next-to-leading order QCD corrections to the process $e^+e^-\to 3$ jets with massive quarks. To isolate the soft and collinear divergencies of the four parton matrix elements, we modify the phase…

High Energy Physics - Phenomenology · Physics 2009-10-30 Arnd Brandenburg , Peter Uwer

In this letter, we evaluate potential of linear $e^+e^-$ colliders to measure the top quark mass in radiative events and in a suitable short-distance scheme. We present a calculation of the differential cross section for production of a top…

High Energy Physics - Phenomenology · Physics 2020-03-11 Marça Boronat , Esteban Fullana , Juan Fuster , Pablo Gomis , André Hoang , Vicent Mateu , Marcel Vos , Angelika Widl

We present the cross sections for production of up to four jets at the Large Hadron Collider, at next-to-leading order in the QCD coupling. We use the BlackHat library in conjunction with SHERPA and a recently developed algorithm for…

High Energy Physics - Phenomenology · Physics 2013-03-20 Z. Bern , G. Diana , L. J. Dixon , F. Febres Cordero , S. Hoeche , D. A. Kosower , H. Ita , D. Maitre , K. Ozeren

A measurement of the top quark mass is performed using a data sample enriched with single top quark events produced in the $t$ channel. The study is based on proton-proton collision data, corresponding to an integrated luminosity of 35.9…

High Energy Physics - Experiment · Physics 2021-12-30 CMS Collaboration

The top-quark is a fundamental element of the physics program at the Large Hadron Collider (LHC). We review the current status of the top-quark measurements performed by ATLAS and CMS experiments in pp collisions at sqrt(s)=7 TeV by…

High Energy Physics - Experiment · Physics 2012-01-31 Luca Fiorini
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