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Related papers: W condensation at the LHC?

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Vector-boson pair production is an important background for Higgs boson and new physics searches at the Large Hadron Collider LHC. We have calculated the loop-induced gluon-fusion process gg -> WW -> leptons, allowing for arbitrary…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Binoth , M. Ciccolini , N. Kauer , M. Krämer

A search for the rare decays $W^{+}\rightarrow{D^{+}_{s}\gamma}$ and $Z\rightarrow{D^{0}\gamma}$ is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV, corresponding to an…

High Energy Physics - Experiment · Physics 2023-09-14 LHCb collaboration

Higgs production in association with a photon at hadron colliders is a rare process, not yet observed at the LHC. We show that this process is sensitive to significant deviations of Higgs couplings to first and second generation SM quarks…

High Energy Physics - Phenomenology · Physics 2021-08-16 J. A. Aguilar-Saavedra , J. M. Cano , J. M. No

Motivated by recent results from Higgs searches at the Large Hadron Collider, we consider possibilities to enhance the diphoton decay width of the Higgs boson over the Standard Model expectation, without modifying either its production rate…

High Energy Physics - Phenomenology · Physics 2015-06-05 Marcela Carena , Ian Low , Carlos E. M. Wagner

Oscillating scalar field condensates induce small amplitude oscillations of the Hubble parameter which can induce a decay of the condensate due to a parametric resonance instability [1]. We show that this instability can lead to the decay…

High Energy Physics - Phenomenology · Physics 2023-03-28 Robert Brandenberger , Vahid Kamali , Rudnei O. Ramos

Two different types of experiments were performed. In the first experiment, we studied the low-temperature condensation of vaporized graphite inside bulk liquid helium, while in the second experiment, we studied the condensation of single…

Atomic and Molecular Clusters · Physics 2018-05-07 S. A. Krasnokutski , M. Goulart , E. B. Gordon , A. Ritsch , C. Jäger , M. Rastogi , W. Salvenmoser , Th. Henning , P. Scheier

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 investigate the possibility of measuring the H^\pm W^\mp Z^0 vertex from the single $H^\pm$ production process via WZ fusion at the CERN Large Hadron Collider (LHC). This vertex strongly depends on the structure of the Higgs sector in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Eri Asakawa , Shinya Kanemura , Junichi Kanzaki

High precision measurements of electroweak observables at $e^\pm$ colliders indicate the existence of a light Higgs boson below the $W^\pm$ threshold. If such a fundamental scalar should be found in the near future it is important to fully…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Melles

We point out that W' bosons may decay predominantly into Higgs particles associated with their broken gauge symmetry. We demonstrate this in a renormalizable model where the W' and W couplings to fermions differ only by an overall…

High Energy Physics - Phenomenology · Physics 2015-06-18 Bogdan A. Dobrescu , Andrea D. Peterson

We present a complete one-loop computation of the $H^\pm \rightarrow W^\pm Z$ decay in the aligned two-Higgs-doublet model. The constraints from the electroweak precision observables, perturbative unitarity, vacuum stability and flavour…

High Energy Physics - Phenomenology · Physics 2018-12-12 Gauhar Abbas , Diganta Das , Monalisa Patra

An analysis of the Higgs boson decay rates to $\gamma\gamma$ and $Z\gamma$ in the Inert Doublet Model is presented. We study the correlation between the two rates and perform extended analysis of the two-photon rate ($R_{\gamma\gamma}$). We…

High Energy Physics - Phenomenology · Physics 2014-01-03 Maria Krawczyk , Dorota Sokolowska , Pawel Swaczyna , Bogumila Swiezewska

We study Higgs boson production in association with a pair of electroweak vector bosons ($WW,ZZ,Z\gamma$) at future $\epem$ colliders in the framework of the Standard Model. Total cross sections and distributions for the intermediate-mass…

High Energy Physics - Phenomenology · Physics 2009-10-22 M. Baillargeon , F. Boudjema , F. Cuypers , E. Gabrielli , B. Mele

A different reason for the apparent weakness of the gravitational interaction is advanced, and its consequences for Hawking evaporation of a Schwarzschild black hole are investigated. Proceeding from some fundamental thermodynamic…

High Energy Physics - Theory · Physics 2009-05-12 D. G. Coyne , D. C. Cheng

The origin of the apparent thermalization in high-energy collisions is investigated using the data of the ATLAS and CMS Collaborations at the LHC. For this purpose, we analyze the transverse momentum distributions in the following…

High Energy Physics - Phenomenology · Physics 2018-09-19 O. K. Baker , D. E. Kharzeev

The possibility of distinguishing between two higgs production mechanisms, W fusion and gluon fusion, is investigated using the Monte Carlo event generator PYTHIA. It is shown that, considering the designed CM energy and luminosity for the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Thais L. Lungov , Carlos O. Escobar

A model for the condensation of a dusty plasma is constructed by considering the spherical shielding layers surrounding a dust grain test particle. The collisionless region less than a collision mean free path from the test particle is…

Plasma Physics · Physics 2009-11-10 P. M. Bellan

The ATLAS and CMS Collaborations reported that the observed number of Higgs boson decays into a $Z$ boson and a photon is $\mu = 2.2 \pm 0.7$ times higher than predicted by the Standard Model. Initially, this discrepancy was attributed to a…

High Energy Physics - Phenomenology · Physics 2025-03-14 Aliaksei Kachanovich

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

The emission of W and Z gauge boson is included in a traditional QCD + QED shower. The unitarity of the shower algorithm links the real radiation of the weak gauge bosons to the negative weak virtual corrections. The shower evolution…

High Energy Physics - Phenomenology · Physics 2015-06-18 Jesper Roy Christiansen , Torbjörn Sjöstrand
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