English
Related papers

Related papers: Testing Bell inequalities in Higgs boson decays

200 papers

A search for the standard model Higgs boson produced in association with a W or a Z boson and decaying a pair of $\tau$ leptons is performed. A data sample of proton-proton collisions collected at $\sqrt{s} =$ 13 TeV by the CMS experiment…

High Energy Physics - Experiment · Physics 2019-06-27 CMS Collaboration

In this paper, the statistical potential of the measurement of Higgs to $WW^{*}$ decay at the International Linear Collider (ILC) is presented. The Higgs boson with a mass of 125 GeV is produced through the Higgsstrahlung production…

High Energy Physics - Experiment · Physics 2025-11-04 M. Pandurović

The presence of charged Higgs bosons is a generic prediction of multiplet extensions of the Standard Model (SM) Higgs sector. Focusing on the Two-Higgs-Doublet-Model (2HDM), we discuss the charged Higgs boson collider phenomenology in the…

High Energy Physics - Phenomenology · Physics 2022-02-14 Henning Bahl , Tim Stefaniak , Jonas Wittbrodt

A search is presented for the Higgs boson off-shell production in gluon fusion and vector boson fusion processes with the Higgs boson decaying into a W+W- pair and the W bosons decaying leptonically. The data observed in this analysis are…

High Energy Physics - Experiment · Physics 2016-09-20 CMS Collaboration

We explore the possibility that, while the Higgs mechanism provides masses to the weak-gauge bosons at the electroweak scale as in the standard model, fermion masses are generated by an unknown mechanism at a higher energy scale. At low…

High Energy Physics - Phenomenology · Physics 2015-03-17 Emidio Gabrielli , Barbara Mele

We study the Large Hadron Collider (LHC) discovery prospects of a light charged Higgs boson decaying into a $W$ boson and a non-Standard Model (SM)-like Higgs within the 2-Higgs Doublet Model type-I. In the analysis, we consider the…

High Energy Physics - Phenomenology · Physics 2024-02-13 A. Arhrib , R. Benbrik , M. Krab , B. Manaut , S. Moretti , Y. Wang , Q. S. Yan

We discuss quantum entanglement in top pair production at the LHC. Near the $t \bar t$ threshold, entanglement observables are enhanced by suppressing the contribution of $q \bar q$ subprocesses, which is achieved by a simple cut on the…

High Energy Physics - Phenomenology · Physics 2022-08-24 J. A. Aguilar-Saavedra , J. A. Casas

Non-minimal composite Higgs scenarios can contain exotic Higgs states which, if getting observed at the Large Hadron Collider, will help to constrain the underlying UV structure of the strong dynamics. Doubly charged Higgs bosons are…

High Energy Physics - Phenomenology · Physics 2017-03-08 Christoph Englert , Peter Schichtel , Michael Spannowsky

Dark matter particles, if sufficiently light, may be produced in decays of the Higgs boson. This Letter presents a statistical combination of searches for $H\to\textrm{invisible}$ decays where $H$ is produced according to the Standard Model…

High Energy Physics - Experiment · Physics 2020-03-31 ATLAS Collaboration

In models with an extended Higgs sector there exists an alignment limit, in which the lightest CP-even Higgs boson mimics the Standard Model Higgs. The alignment limit is commonly associated with the decoupling limit, where all non-standard…

High Energy Physics - Phenomenology · Physics 2015-06-17 Marcela Carena , Ian Low , Nausheen R. Shah , Carlos E. M. Wagner

$W$ bosons are produced at LHC from a forward-backward symmetric initial state. Their decay to a charged lepton and a neutrino has a strong spin analysing power. The combination of these effects results in characteristic distributions of…

High Energy Physics - Experiment · Physics 2018-01-17 Elisabetta Manca , Olmo Cerri , Nicolo Foppiani , Gigi Rolandi

We consider the Higgs boson decay processes and its production and provide a parameterisation tailored for testing models of new physics. The choice of a particular parameterisation depends on a non-obvious balance of quantity and quality…

High Energy Physics - Phenomenology · Physics 2013-05-07 Guillaume Drieu La Rochelle

We study the pair-production of charginos in the CP-violating Minimal Supersymmetric Standard Model at center-of-mass energies around the heavy neutral Higgs boson resonances. If these resonances are nearly degenerate, as it can happen in…

High Energy Physics - Phenomenology · Physics 2009-01-06 Olaf Kittel , Federico von der Pahlen

We study the Higgs boson decays and production via gluon fusion at the LHC as a probe of two typical littlest Higgs models which introduce a top quark partner with different (even and odd) T-parity to cancel the Higgs mass quadratic…

High Energy Physics - Phenomenology · Physics 2010-04-15 Lei Wang , Jin Min Yang

A search for the Higgs boson produced in association with a W or Z boson in proton-proton collisions at a center-of-mass energy of 7 TeV is performed with the CMS detector at the LHC using the full 2011 data sample, from an integrated…

High Energy Physics - Experiment · Physics 2013-01-30 CMS Collaboration

Constraints are presented on the total width of the recently discovered Higgs boson, Gamma[H], using its relative on-shell and off-shell production and decay rates to a pair of Z bosons, where one Z boson decays to an electron or muon pair,…

High Energy Physics - Experiment · Physics 2014-07-29 CMS Collaboration

In this paper, we examine the potential of Higgs boson production associated with a photon at the LHC to probe the new physics effects in the framework of the standard model effective field theory. It is shown that the differential…

High Energy Physics - Phenomenology · Physics 2017-09-21 Hamzeh Khanpour , Sara Khatibi , Mojtaba Mohammadi Najafabadi

Based on a number of features from proton-proton collisions taken during Run 1 data taking period at the LHC, a boson with a mass around the Electro-Weak scale was postulated such that a significant fraction of its decays would comprise the…

High Energy Physics - Phenomenology · Physics 2019-09-11 Stefan von Buddenbrock , Bruce Mellado

Recently the ATLAS and CMS experiments at the LHC have found a Higgs like boson $h$ with a mass around 125 GeV from several decay modes. The decay mode $h \to \gamma\gamma$ is one of the most important modes in studying whether $h$ is…

High Energy Physics - Phenomenology · Physics 2015-06-15 Xiao-Gang He , Siao-Fong Li , Hsiu-Hsien Lin

In this article, the prospects for studying the tensor structure of the HZZ vertex with the LHC experiments are presented. The structure of tensor couplings in Higgs di-boson decays is investigated by measuring the asymmetries and by…

High Energy Physics - Phenomenology · Physics 2015-06-24 N. Belyaev , R. Konoplich , L. Egholm Pedersen , K. Prokofiev