English
Related papers

Related papers: Di-lepton ttH At The CMS

200 papers

The top quark will be produced copiously at the LHC. This will make both detailed physics studies and the use of top quark decays for detector calibration possible. This talk reviews plans and prospects for top physics activities in the…

High Energy Physics - Experiment · Physics 2019-08-15 Andrei Gaponenko

The usual range of new particle masses, up to a few TeV, searched for at the LHC may be substantially extended if ultraheavy diquark particles exist. A diquark scalar, $S_{uu}$, that interacts perturbatively with two up quarks may be as…

High Energy Physics - Phenomenology · Physics 2020-01-01 Bogdan A. Dobrescu

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

A search is conducted for a low-mass charged Higgs boson produced in a top quark decay and subsequently decaying into a charm and a strange quark. The data sample was recorded in proton-proton collisions at $\sqrt{s} =$ 13 TeV by the CMS…

High Energy Physics - Experiment · Physics 2020-10-14 CMS Collaboration

This document is prepared for the LCWS2016 conference proceedings. It reviews the current results on the Higgs CP property measurements from both ATLAS and CMS experiments in the Higgs to diboson decays, and in the Vector Boson Fusion…

High Energy Physics - Experiment · Physics 2017-04-04 Xin Chen

A variety of models of physics beyond the standard model predict new particles that decay to leptons, jets, or both together. These models include axigluons, colorons, diquarks, excited quarks, heavy long-lived charged particles,…

High Energy Physics - Experiment · Physics 2019-08-13 Carl Vuosalo

The results of a multi-lepton search conducted by the CMS collaboration with 5 fb$^{-1}$ of data collected from 7 TeV $pp$ collisions are used to place the first bound on the rare flavor-changing decay of the top quark to a Higgs boson and…

High Energy Physics - Phenomenology · Physics 2013-05-30 Nathaniel Craig , Jared A. Evans , Richard Gray , Michael Park , Sunil Somalwar , Scott Thomas , Matthew Walker

These proceedings discuss a possible new search strategy for a light Higgs boson at the LHC, in high-pt WH and ZH production where the Higgs boson decays to a single collimated b-bbar jet. Material is included that is complementary to what…

High Energy Physics - Phenomenology · Physics 2009-02-02 Jonathan M. Butterworth , Adam R. Davison , Mathieu Rubin , Gavin P. Salam

After the discovery of a Higgs boson, the measurements of its properties are at the forefront of research. The determination of the associated production of a Higgs boson and a pair of top quarks is of particular importance as the ttH…

High Energy Physics - Phenomenology · Physics 2016-12-31 Andre Sopczak

The most recent results of the top-quark mass measurements with the ATLAS detector using data collected from proton-proton collisions at the Large Hadron Collider are presented. Although several decay modes of the top-quark pairs have been…

High Energy Physics - Experiment · Physics 2019-08-13 Kaven Yau Wong

A search for neutral Higgs bosons in the minimal supersymmetric extension of the Standard Model (MSSM) decaying to a pair of b quarks or a pair of tau leptons, using events recorded by the CMS experiment at the LHC in 2011 and 2012 at the…

High Energy Physics - Experiment · Physics 2019-08-13 Aruna Kumar Nayak

We propose a new observable designed to probe CP-violating coupling of the Higgs boson to W bosons using associated Higgs production. We define an asymmetry that measures the number of leptons from W decays relative to the plane defined by…

High Energy Physics - Phenomenology · Physics 2014-02-19 Cédric Delaunay , Gilad Perez , Hiroshi de Sandes , Witold Skiba

The cross section for production of Z bosons with two associated b-jets, and Z decaying to leptons, can be measured at the LHC with about 100 pb-1 of data. We use simulated data to study possible strategies for an early measurement of this…

High Energy Physics - Experiment · Physics 2014-11-18 Aruna Kumar Nayak

We discuss the prospects for the discovery of neutral Higgs bosons ($\phi^0 = H^0, h^0, A^0$) in multi-Higgs doublet models via their decays into leptons at hadron colliders. A major focus will be searching for Higgs bosons produced with…

High Energy Physics - Phenomenology · Physics 2009-11-07 Chung Kao

We study reported deviations between observations and theoretical predictions associated with the production of a pair of di-leptonically decaying top quarks at the LHC, and we examine the possibility that they reflect a signal of toponium…

High Energy Physics - Phenomenology · Physics 2021-08-25 Benjamin Fuks , Kaoru Hagiwara , Kai Ma , Ya-Juan Zheng

An overview of the prospects of top quark physics at the LHC is presented. The ATLAS and the CMS detectors are about to produce a large amount of data with high top quark contents from the LHC proton-proton collisions. A wide variet y of…

High Energy Physics - Experiment · Physics 2008-11-18 Akira Shibata

The search for the Higgs boson produced by Vector Boson Fusion (VBF) where the Higgs decays into W pairs and thence to leptons plus neutrinos is discussed at the Monte Carlo generator level. In particular, the cuts which are applied in…

High Energy Physics - Experiment · Physics 2007-05-23 Dan Green

We present searches for massive top and bottom quark partners at CMS using LHC pp collision data collected at centre-of-mass energy $\sqrt{s} = 8$ TeV. Such partners can be found in models predicting vector-like quarks to solve the…

High Energy Physics - Experiment · Physics 2013-11-05 Devdatta Majumder

Searches are presented for heavy scalar (H) and pseudoscalar (A) Higgs bosons posited in the two doublet model (2HDM) extensions of the standard model (SM). These searches are based on a data sample of pp collisions collected with the CMS…

High Energy Physics - Experiment · Physics 2014-12-31 CMS Collaboration

A search for the production of a single top quark in association with a Higgs boson is performed using the decay $\text{H} \to \text{b} \bar{\text{b}}$. The rate of this Higgs production mode is particularly sensitive to the relative sign…

High Energy Physics - Experiment · Physics 2016-11-28 Denise Mueller
‹ Prev 1 4 5 6 7 8 10 Next ›