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相关论文: Results from TopFitter

200 篇论文

We use top quark pair production as a probe of top-philic non-resonant new physics. Following a low energy effective field theory approach, we calculate several key observables in top quark pair production at hadron colliders (e.g., total…

高能物理 - 唯象学 · 物理学 2015-03-17 Céline Degrande , Jean-Marc Gérard , Christophe Grojean , Fabio Maltoni , Géraldine Servant

Although the top quark has been discovered in 1995 and studied extensively by the Tevatron experiments, the top quark will remain special for years to come due to unique opportunities it offers. Because of the large top-antitop production…

高能物理 - 实验 · 物理学 2019-08-13 Ashish Kumar

Theoretical predictions for standard model (SM) processes involving top quarks, such as top quark-antiquark pair or single top production, depend on fundamental SM parameters like the strong coupling constant or the top quark mass. By…

高能物理 - 实验 · 物理学 2022-01-19 Sebastian Wuchterl

We explore beyond Standard Model (bSM) physics signatures in the $l+jets$ channel of $t\overline{t}$ pair production process at the Tevatron and the LHC. We study the effects of bSM physics scenarios on the top quark polarization and on the…

高能物理 - 唯象学 · 物理学 2015-11-18 Rohini M. Godbole , Gaurav Mendiratta , Saurabh Rindani

The LHC is a promising machine to discover new physics in the top sector. There are several models that predict the existence of heavy colored resonances decaying to top quarks in the TeV energy range. The production of such resonances…

高能物理 - 唯象学 · 物理学 2010-11-19 Paola Ferrario , German Rodrigo

The test of the Standard Model and search for New Physics signal are main aim of LHC experiment. With the increasing of the measurement accuracy at the LHC, it is a major task in future to exceed the current accuracy of the theoretical…

高能物理 - 唯象学 · 物理学 2014-08-05 Chong Sheng Li , Hai Tao Li , Ding Yu Shao

We revisit the possibility that the top quark forward-backward asymmetry arises from the on-shell production and decay of scalar top partners to top-antitop pairs with missing transverse energy. Although the asymmetry is produced by…

高能物理 - 唯象学 · 物理学 2013-11-22 Abhishek Kumar , John N. Ng , Andrew Spray , Peter T. Winslow

In the year 2004 several milestones in the measurement of the top quark mass were reached. The DO collaboration published a significant improvement of their Run I measurement of the top quark mass, and both Tevatron experiments released…

高能物理 - 实验 · 物理学 2007-05-23 Martijn Mulders

We present an update of the theoretical predictions for the cross section of top-quark pair production at Tevatron and LHC. In particular we employ improvements due to soft gluon resummation at next-to-next-to-leading logarithmic accuracy.…

高能物理 - 唯象学 · 物理学 2008-11-26 Sven Moch , Peter Uwer

The combination of the latest and most precise measurements of several top quark properties is presented in this paper in order to establish allowed regions on anomalous contributions to the Lorentz structure of the $Wtb$ vertex. These…

高能物理 - 唯象学 · 物理学 2019-03-25 Frédéric Déliot , Miguel C. N. Fiolhais , António Onofre

We present recent measurements on top quark physics obtained at the Fermilab Tevatron $p\bar p$ collider by the CDF and D0 collaborations. We discuss the measurements of the top quark mass using direct and indirect methods of extraction,…

高能物理 - 实验 · 物理学 2018-05-24 Boris Tuchming

Top quark mass measurements from the Tevatron using up to \invfb{2.0} of data are presented. Prospects for combined Tevatron measurements by the end of Run II are discussed.

高能物理 - 实验 · 物理学 2019-08-14 Jahred Adelman

The study of top quark asymmetries at the LHC provides an excellent opportunity to probe subtle differences in the production of top quarks and antiquarks made by the standard model of particle physics. In this contribution, the latest…

高能物理 - 实验 · 物理学 2026-04-17 Nils Faltermann

The mass of the top quark is a fundamental parameter of the standard model and has to be determined experimentally. In these proceedings, I review recent measurements of the top quark mass in $pp$ collisions at $\sqrt s=7,~8,$ and 13 TeV…

高能物理 - 实验 · 物理学 2017-01-20 Oleg Brandt

We propose to observe the top spin correlation effect at Tevatron through the measurement of the correlated asymmetries of the charged lepton momenta using the dilepton decay events of top and anti-top quark pairs. The possibility of…

高能物理 - 唯象学 · 物理学 2009-10-28 Darwin Chang , Shih-Chang Lee , Alexei Soumarokov

At the Tevatron Collider at Fermilab, a large number of top quarks have been produced in the ongoing run. The CDF and DZero collaborations have made first measurements of the ttbar cross section in several decay channels, and have measured…

高能物理 - 实验 · 物理学 2007-05-23 A. P. Heinson

With a high instantaneous luminosity and the large top quark pair production cross section, the Large Hadron Collider (LHC) will be a "top factory" allowing the analysis of millions of top events. After a short description of the top quark…

高能物理 - 实验 · 物理学 2007-05-23 Florian Beaudette

We provide a comprehensive global analysis of Run II top measurements at the LHC in terms of dimension-6 operators. A distinctive feature of the top sector as compared to the Higgs-electroweak sector is the large number of four-quark…

高能物理 - 唯象学 · 物理学 2020-03-18 I. Brivio , S. Bruggisser , F. Maltoni , R. Moutafis , T. Plehn , E. Vryonidou , S. Westhoff , C. Zhang

In this letter, we summarize the latest results of the top-quark production and properties at the Tevatron. We do not include results of the top-quark mass and single top-quark production as they were presented in separate talks. The…

高能物理 - 实验 · 物理学 2019-08-14 P. Bartos

We report on the precision determination of the top-quark mass to next-to-next-to-leading order in QCD in well-defined renormalization schemes using data from the Large Hadron Collider for single-top and top-quark pair production. We also…

高能物理 - 唯象学 · 物理学 2018-09-28 Sven-Olaf Moch , Jürgen Reuter