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The latest results on top quark physics, namely single top quark production cross sections, $W$-boson helicity and asymmetry measurements are used to probe the Lorentz structure of the $Wtb$ vertex. The increase of sensitivity to new…

If studies of electroweak gauge boson final states at the Large Hadron Collider, for Standard Model physics and beyond, are sensitive to effects of the initial state's transverse momentum distribution, appropriate generalizations of QCD…

High Energy Physics - Phenomenology · Physics 2015-06-19 S. Dooling , F. Hautmann , H. Jung

A study of the Standard Model (SM) three electroweak boson production, $WV\gamma$ where V = W or Z gauge boson, is presented concerning events with a leptonically decaying W boson accompanied by a photon and two or more jets. We are using…

High Energy Physics - Experiment · Physics 2019-08-14 Patricia Rebello Teles

Processes where $W$ and $Z$ bosons scatter into pairs of electroweak bosons $W$, $Z$, and Higgs, are sensitive probes of new physics in the electroweak sector. We study simplified models that describe typical scenarios of new physics and…

High Energy Physics - Phenomenology · Physics 2019-02-01 Simon Braß , Christian Fleper , Wolfgang Kilian , Jürgen Reuter , Marco Sekulla

We evaluate the sensitivity of the Large Hadron Collider (LHC) to charged heavy vector boson production followed by their decays to $W^\pm Z^0$. We include the correlated decays of the gauge bosons to leptonic final states. With an…

High Energy Physics - Phenomenology · Physics 2007-05-23 Dal Soo Oh , M. H. Reno

We study signals at the Large Hadron Collider (LHC) for Kaluza-Klein (KK) excitations of the electroweak gauge bosons in the framework with the Standard Model (SM) gauge and fermion fields propagating in a warped extra dimension. Such a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaustubh Agashe , Hooman Davoudiasl , Shrihari Gopalakrishna , Tao Han , Gui-Yu Huang , Gilad Perez , Zong-Guo Si , Amarjit Soni

In the light of the mass gap between Standard Model (SM) states and possible new particles, effective field theories are a suitable approach. We take on the non-linear realization of the electroweak symmetry breaking: the electroweak…

High Energy Physics - Phenomenology · Physics 2020-10-19 Ignasi Rosell , Antonio Pich , Juan José Sanz-Cillero

Electroweak radiative corrections are computed for Higgs production through vector boson fusion, qq->qqH, which is one of the most promising channels for detecting and studying the Higgs boson at the LHC. Using soft-collinear effective…

High Energy Physics - Phenomenology · Physics 2012-09-25 Fabio Siringo , Giuseppe Buccheri

Motivated by new models of dynamical electroweak symmetry breaking that predict a light composite higgs boson, we build an effective lagrangian which describes the Standard Model (with a light Higgs) and vector resonances. We compute the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alfonso R. Zerwekh

The measurement of polarization fractions of massive gauge bosons at the LHC provides an important check of the Standard Model and in particular of the Electroweak Symmetry Breaking mechanism. Owing to the unstable character of $\text{W}$…

High Energy Physics - Phenomenology · Physics 2020-10-28 Ansgar Denner , Giovanni Pelliccioli

Many types of physics beyond the standard model include an extended electroweak gauge group. If these extensions are associated with flavor symmetry breaking, the gauge interactions will not be flavor-universal. In this note we update the…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. S. Chivukula , E. H. Simmons

The claim that the W boson mass might be measured at the LHC with a precision of O(10 MeV) is critically reviewed. It is argued that such a precision cannot be achieved, unless a dedicated measurement program, specific to the LHC is…

High Energy Physics - Experiment · Physics 2014-11-20 Florent Fayette , Mieczyslaw Witold Krasny , Wieslaw Placzek , Andrzej Siodmok

A measurement is presented of electroweak (EW) production of a W boson in association with two jets in proton-proton collisions at $\sqrt{s} =$ 13 TeV. The data sample was recorded by the CMS Collaboration at the LHC and corresponds to an…

High Energy Physics - Experiment · Physics 2020-01-24 CMS Collaboration

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17 million Z decays accumulated by the ALEPH,…

This note presents a combination of published and preliminary electroweak results from the four LEP collaborations and the SLD collaboration which were prepared for the 2000 summer conferences. Averages from Z0 resonance results are derived…

A method to derive constraints on new physics models featuring exotic long-lived particles using detector-corrected measurements of prompt states is presented. The CONTUR workflow is modified to either account for the fraction of long-lived…

High Energy Physics - Phenomenology · Physics 2024-12-20 Louie Corpe , Andreas Goudelis , Simon Jeannot , Si Hyun Jeon

This Letter describes the search for an enhanced production rate of events with a charged lepton and a neutrino in high-energy pp collisions at the LHC. The analysis uses data collected with the CMS detector, with an integrated luminosity…

High Energy Physics - Experiment · Physics 2013-05-01 CMS Collaboration

We have calculated the next-to-leading-order electroweak and QCD corrections to the decay processes h -> WW/ZZ -> 4 fermions of the light CP-even Higgs boson h of various types of Two-Higgs-Doublet Models (Types I and II, "lepton-specific"…

High Energy Physics - Phenomenology · Physics 2018-04-18 Lukas Altenkamp , Stefan Dittmaier , Heidi Rzehak

It is pointed out that in a wide class of models reminiscent of type-II Two-Higgs-Doublet Models (2HDM) the signal of the Higgs produced in association with a top-antitop quark pair ($tth$) and decaying into gauge bosons can be…

High Energy Physics - Phenomenology · Physics 2016-11-23 Marcin Badziak , Carlos E. M. Wagner

Previous work on electroweak radiative corrections to high energy scattering using soft-collinear effective theory (SCET) has been extended to include external transverse and longitudinal gauge bosons and Higgs bosons. This allows one to…

High Energy Physics - Phenomenology · Physics 2014-11-20 Jui-yu Chiu , Andreas Fuhrer , Randall Kelley , Aneesh V. Manohar
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