English
Related papers

Related papers: Top physics at the LHC

200 papers

The top quark is by far the most massive fundamental particle observed so far, and the study of its properties is interesting for several reasons ranging from its possible special role in electroweak symmetry breaking to its sensitivity to…

High Energy Physics - Experiment · Physics 2007-05-23 Gervasio Gomez

We investigate new physics scenarios where systems comprised of a single top quark accompanied by missing transverse energy, dubbed monotops, can be produced at the LHC. Following a simplified model approach, we describe all possible…

High Energy Physics - Phenomenology · Physics 2014-02-05 Jean-Laurent Agram , Jeremy Andrea , Michael Buttignol , Eric Conte , Benjamin Fuks

The search for new physics in top quark decays at the LHC is reviewed in this paper. Results from ATLAS and CMS experiments on top quark decays within the Standard Model are presented together with the measurements of the W boson…

High Energy Physics - Experiment · Physics 2013-01-01 A. Onofre

Theoretical predictions for the top quark rare decays are reviewed within and beyond the standard model. Expectations at the CERN Large Hadron Collider are discussed.

High Energy Physics - Phenomenology · Physics 2007-05-23 Barbara Mele

Recent measurements of top-quark properties at the LHC and at the Tevatron are presented. The results include precision measurements of standard model parameters, such as the top-quark mass, the measurement of angular distributions as well…

High Energy Physics - Experiment · Physics 2015-11-24 Andreas B. Meyer

This is a brief review of the theoretical status of Higgs production at the LHC in the Standard Model, with an emphasis on the recent developments and computations. In particular, I focus on both inclusive and differential cross sections…

High Energy Physics - Phenomenology · Physics 2016-01-20 Marius Wiesemann

A sizeable charge asymmetry in top quark pair production has been observed at the Tevatron. The experimental results seem to exceed systematically the Standard Model theory predictions by a significant amount and have triggered a large…

High Energy Physics - Phenomenology · Physics 2011-12-30 German Rodrigo

The ATLAS and CMS collaborations at the Large Hadron Collider (LHC) are studying the top quark in pp collisions at 7 and 8 TeV. Due to the large integrated luminosity, precision measurements of production cross-sections and properties are…

High Energy Physics - Experiment · Physics 2019-08-14 Markus Seidel

The standard model production of four top quarks is predicted to have a cross section of the order of 12fb. The CMS Collaboration presents new results on this rare production mechanism for Run 2 data collected in 2016 through 2018 at 13…

High Energy Physics - Experiment · Physics 2022-12-14 Nicholas Manganelli , Melissa Quinnan

Measurements of the top quark mass are presented, obtained from CMS data collected in proton proton collisions at the LHC at centre-of-mass energies of 7 TeV and 8 TeV. The mass of the top quark is measured using several methods and…

High Energy Physics - Experiment · Physics 2016-10-07 Simon Spannagel

The top quark was discoverd at the CDF and D0 experiments in 1995. As the partner of the bottom quark its properties within the Standard Model are fully defined. Only the mass is a free parameter. The measurement of the top quark mass and…

High Energy Physics - Experiment · Physics 2015-03-17 Daniel Wicke

We present the most recent CDF results in the measurements of the decay and production vertex of the top-quark. New results on forward-backward asymmetry in top-antitop events are presented. Also, recent measurements of the branching…

High Energy Physics - Experiment · Physics 2015-06-23 Giorgio Chiarelli

The top quark is the heaviest of all known elementary particles. It was discovered in 1995 by the CDF and D0 experiments at the Tevatron. With the start of the LHC in 2009, an unprecedented wealth of measurements of the top quark's…

High Energy Physics - Experiment · Physics 2016-01-20 Kevin Kröninger , Andreas B. Meyer , Peter Uwer

We review the physics involved in the production and decay of top quarks in e^+e^- -> ttbar near threshold, with special emphasis on the recent theoretical study on the decay process of top quarks in the threshold region. The energy-angular…

High Energy Physics - Phenomenology · Physics 2011-03-02 Y. Sumino

The top quark is the heaviest elementary particle known to date and therefore an important topic to study in the context of the standard model at the LHC. In this contribution the latest measurements of top quark production cross sections…

High Energy Physics - Experiment · Physics 2024-05-16 Nils Faltermann

We review the asymmetries in top quark pair production at the Tevatron and the LHC. We summarize the experimental measurements and the interpretations of a possible excess in terms of new physics. We also review other top quark…

High Energy Physics - Phenomenology · Physics 2015-06-11 J. A. Aguilar-Saavedra , D. Amidei , A. Juste , M. Perez-Victoria

After the Higgs boson discovery in 2012, the investigation of its properties and compatibility with the standard model predictions is central to the physics program of the LHC experiments. Likewise, the study of the top quark is still…

High Energy Physics - Experiment · Physics 2017-08-29 Rebeca Gonzalez Suarez

In this document we present several recent (July 2008) results from studies of the top quark properties at the CDF and D0 experiments at the Tevatron. Measurements of several top quark properties, as well as tests of new physics in the top…

High Energy Physics - Experiment · Physics 2008-09-21 C. I. Ciobanu

The top quark-antiquark pair threshold production at future High Energy Photon Colliders is considered in view of the recent advances in the theoretical description of the nonrelativistic heavy quark dynamics.

High Energy Physics - Phenomenology · Physics 2009-10-31 A. A. Penin

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