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Related papers: Recent CMS results in top and Higgs physics

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Due to its high mass and short lifetime, the top quark plays an important role in checking the Standard Model of particle physics. In this report, we pr\ esent a variety of searches for physics beyond the Standard Model, involving top…

High Energy Physics - Experiment · Physics 2019-08-14 Yvonne Peters

Precision measurements of the 125 GeV Higgs resonance recently discovered at the LHC have determined that its properties are similar to the ones of the Standard Model (SM) Higgs boson. However, the current uncertainties in the determination…

High Energy Physics - Phenomenology · Physics 2017-02-20 Marcin Badziak , Carlos E. M. Wagner

Discovered in 1995 by CDF and D0 at the Fermilab Tevatron collider, the top quark remains interesting to test the Standard Model. Having collected more than 7 fb$^{-1}$ of integrated luminosity with both experiments until today, several top…

High Energy Physics - Experiment · Physics 2019-08-14 Yvonne Peters

In most extensions of the Standard Model, heavy charged Higgs bosons at the LHC are dominantly produced in association with heavy quarks. An up-to-date determination of the next-to-leading order total cross section in a type-II…

High Energy Physics - Phenomenology · Physics 2015-07-27 Martin Flechl , Richard Klees , Michael Kramer , Michael Spira , Maria Ubiali

The Higgs boson was discovered by the ATLAS and CMS Collaborations in 2012 using data from Run 1 of the Large Hadron Collider (2010$-$2012). In Run 2 (2015$-$2018), about 140 fb$^{-1}$ of proton$-$proton collisions at a centre-of-mass…

High Energy Physics - Experiment · Physics 2025-05-09 ATLAS Collaboration

The data accumulated so far confirm the Higgs-like nature of the new boson discovered at the LHC. The Standard Model Higgs hypothesis is compatible with the collider results and no significant deviations from the Standard Model have been…

High Energy Physics - Phenomenology · Physics 2013-12-30 Alejandro Celis , Victor Ilisie , Antonio Pich

Now that a Higgs boson has been discovered at the LHC, measuring its couplings to other particles is the next important step. In order to probe the electroweak symmetry breaking mechanism at its core it is crucial to reconstruct the scalar…

High Energy Physics - Phenomenology · Physics 2014-08-28 Julien Baglio

Recent inclusive and differential cross section measurements of the associated production of top quark pairs with gauge bosons or heavy-flavor jets are reported. A search for physics beyond the standard model in the top quark sector is also…

High Energy Physics - Experiment · Physics 2021-05-12 Nicolas Tonon

A search for the production of a Higgs boson in association with a single top quark (tH) is performed using the decay $\text{H} \to \text{b}\bar{\text{b}}$. This Higgs boson production mode is sensitive to the coupling modifiers of the…

High Energy Physics - Experiment · Physics 2017-11-21 Denise Mueller

Till today, although the Standard Model (SM) is the most celebrated theory that explains nature almost completely, there are still some phenomena observed in nature that the SM cannot explain. That is why it is needed to look for theories…

High Energy Physics - Phenomenology · Physics 2023-11-09 Dibyashree Sengupta

Higgs-boson production in association with bottom quarks, ppbar/pp -> b bbar H + X, is one of the most important discovery channels for supersymmetric Higgs particles at the Tevatron and the LHC. We have calculated the next-to-leading order…

High Energy Physics - Phenomenology · Physics 2010-04-06 Stefan Dittmaier , Michael Krämer , Michael Spira

A new particle's interactions can be measured at colliders, by observing its associated production with Standard Model particles. We focus on the case of a collider-stable right-handed top squark and study the LHC sensitivities to its…

High Energy Physics - Phenomenology · Physics 2013-03-11 Spencer Chang , Can Kilic , Takemichi Okui

An analysis of the production of a Higgs boson (H) in association with a top quark-antiquark pair ($\mathrm{t\bar{t}}$H) or a single top quark (tH) is presented. The Higgs boson decay into a bottom quark-antiquark pair (H $\to$…

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

The Standard Model of particle physics describes the known fundamental particles and forces that make up our universe, with the exception of gravity. One of the central features of the Standard Model is a field that permeates all of space…

High Energy Physics - Experiment · Physics 2023-10-18 ATLAS Collaboration

CMS results on the measurement of properties of the Higgs-like particle discovered last summer with a mass near 126 GeV are presented. The results are based on a data samples corresponding to an integrated luminosity of up to 5.1 fb-1 at 7…

High Energy Physics - Experiment · Physics 2013-10-16 Sabino Meola

The prospects for the determination of the properties of a hypothetical boson discovered at the Large Hadron Collider using measurements to be performed with the ATLAS and CMS detectors are summarized. The properties that are discussed are…

High Energy Physics - Phenomenology · Physics 2019-08-14 Christoph Ruwiedel

Higgs boson production in association with $W$ and $Z$ bosons at high luminosity CERN Large Hadron Collider (LHC,$\sqrt{s}$=14 TeV), is one of the most promising discovery channel for a SM Higgs particle with a mass below 135 GeV, where the…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Y. Hussein

A search for Higgs bosons that decay into a bottom quark-antiquark pair and are accompanied by at least one additional bottom quark is performed with the CMS detector. The data analyzed were recorded in proton-proton collisions at a…

High Energy Physics - Experiment · Physics 2018-09-05 CMS Collaboration

We review the most recent measurements of the top quark mass using data collected by the CDF experiment at the Tevatron 1.96 TeV ppbar collider. The mass measurements are performed in all main decay modes of the produced ttbar pairs using…

High Energy Physics - Experiment · Physics 2010-11-11 N. van Remortel

After the discovery of the Higgs boson particle on the 4th of July of 2012 at the Large Hadron Collider, sited at the european CERN laboratory, we are entering in a fascinating period for Particle Physics where both theorists and…

High Energy Physics - Phenomenology · Physics 2014-01-29 Maria Herrero
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