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We analyze the potential of the Fermilab Tevatron and CERN Large Hadron Collider (LHC) to study anomalous quartic vector--boson interactions (photon photon Z Z) and (photon photon W+ W-). Working in the framework of SU(2)_L X U(1)_Y chiral…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. J. P. Eboli , M. C. Gonzalez-Garcia , S. M. Lietti , S. F. Novaes

We analyze the potential of the CERN Large Hadron Collider to study anomalous quartic vector--boson interactions through the production of vector--boson pairs accompanied by jets. In the framework of $SU(2)_L \otimes U(1)_Y$ chiral…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. S. Belyaev , O. J. P. Eboli , M. C. Gonzalez-Garcia , J. K. Mizukoshi , S. F. Novaes , I. Zacharov

A method to simulate anomalous fermion-boson interactions in Wtb vertex is presented with a minimal set of simulated samples of single top quark events at the LHC energies. In proposed method additional auxiliary vector fields corresponding…

High Energy Physics - Phenomenology · Physics 2017-01-25 E. Boos , V. Bunichev , L. Dudko , M. Perfilov

We examine the potentiality of both CERN LEP and Fermilab Tevatron colliders to establish bounds on new couplings involving the bosonic sector of the standard model. We pay particular attention to the anomalous Higgs interactions with…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. C. Gonzalez-Garcia , S. M. Lietti , S. F. Novaes

The process $p+p\to W^\pm W^+ W^-$ with lepton decays of $W$-bosons is shown to be promising for improving conditions for studies of parameter $\lambda$, which is the anomalous triple $W$-bosons interaction coupling constant.

High Energy Physics - Phenomenology · Physics 2019-05-08 B. A. Arbuzov , I. V. Zaitsev

Probing signatures of anomalous interactions of the Higgs boson with pairs of weak vector bosons is an important goal of an $e^+e^-$ collider commissioned as a Higgs factory. We perform a detailed analysis of such potential of a collider…

High Energy Physics - Phenomenology · Physics 2015-03-17 Gilad Amar , Shankha Banerjee , Stefan von Buddenbrock , Alan S. Cornell , Tanumoy Mandal , Bruce Mellado , Biswarup Mukhopadhyaya

Trilinear $Z$ boson interactions are sensitive probes both of new sources of $CP$ violation in physics Beyond the Standard Model and of new particle thresholds. Measurements of trilinear $Z$ interactions are typically interpreted in the…

High Energy Physics - Phenomenology · Physics 2018-07-04 Tyler Corbett , Matthew J. Dolan , Christoph Englert , Karl Nordström

We derive bounds on Higgs and gauge--boson anomalous interactions using the CDF data for the process $p \bar{p} \to \gamma\gamma\gamma + X$. We use a linearly realized $SU_L(2) \times U_Y(1)$ invariant effective Lagrangian to describe the…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. de Campos , M. C. Gonzalez-Garcia , S. M. Lietti , S. F. Novaes , R. Rosenfeld

We study the expected phenomenology at present (Tevatron) and future (Tevatron Upgrade, LHC) hadronic colliders of a model describing a strong electroweak symmetry breaking sector with both vector and axial vector strong interacting bosons…

High Energy Physics - Phenomenology · Physics 2009-10-30 R. Casalbuoni , P. Chiappetta , A. Deandrea , S. De Curtis , D. Dominici , R. Gatto

Methods and ideas to search for new phenomena at existing and future collider facilities like LEPII and the LHC are analysed. Emphasis is put on the experimental aspects of discovery strategies for the Higgs Boson of the Standard Model.…

High Energy Physics - Experiment · Physics 2007-05-23 Michael Dittmar

We discuss the meaning of anomalous vector boson self couplings. Implications of present experimental constraints for future colliders are discussed. Results for triple vector boson production at the LHC are given.

High Energy Physics - Phenomenology · Physics 2007-05-23 J. J. van der Bij , A. Ghinculov

We review the effects of new effective interactions on the Higgs boson phenomenology. New physics in the electroweak bosonic sector is expected to induce additional interactions between the Higgs doublet field and the electroweak gauge…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. C. Gonzalez-Garcia

In this paper we investigate anomalous interactions of the Higgs boson with heavy fermions, employing shapes of kinematic distributions. We study the processes $pp \to t\bar{t} + H$, $b\bar{b} + H$, $tq+H$, and $pp \to H\to\tau^+\tau^-$,…

High Energy Physics - Phenomenology · Physics 2019-08-09 Andrei V. Gritsan , Raoul Röntsch , Markus Schulze , Meng Xiao

A review of the current experimental results on searches for Higgs bosons in models beyond the Standard Model is presented. Searches from ATLAS, CMS and LHCb use datasets from Run 1 of the LHC, including 7 and 8 TeV proton-proton…

High Energy Physics - Experiment · Physics 2014-09-23 William Davey

We investigate the potentiality of CERN LEP and Fermilab Tevatron colliders to establish bounds on new couplings involving the bosonic sector of the standard model. A combined exclusion plot for the coefficients of different dimension-6…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. C. Gonzalez-Garcia , S. M. Lietti , S. F. Novaes

A high energy ep collider, such as the proposed LHeC, possesses the unique facility of permitting direct measurement of the HWW coupling without contamination from the HZZ coupling. At such a machine, the fusion of two W bosons through the…

High Energy Physics - Phenomenology · Physics 2015-06-04 Sudhansu S. Biswal , Rohini M. Godbole , Bruce Mellado , Sreerup Raychaudhuri

We discuss the direct measurement of the trilinear vector boson couplings in present and future collider experiments. The major goals of such experiments will be the confirmation of the Standard Model (SM) predictions and the search for…

High Energy Physics - Phenomenology · Physics 2016-11-03 H. Aihara , T. Barklow , U. Baur , J. Busenitz , S. Errede , T. A. Fuess , T. Han , D. London , J. Ohnemus , R. Szalapski , C. Wendt , D. Zeppenfeld

We examine the sensitivity of $e \gamma$ colliders (based on $e^+ e^-$ linear colliders of c.m. energy 500 GeV) to the anomalous couplings of the Higgs to W-bosons via the process $e^- \gamma \longrightarrow \nu W H$. This has the advantage…

High Energy Physics - Phenomenology · Physics 2008-11-26 Debajyoti Choudhury , Mamta

We first formulate, in the framework of effective Lagrangian, the general form of the effective interactions of the lightest Higgs boson h and a heavier neutral Higgs boson H in a multi-Higgs system taking account of Higgs mixing effect. We…

High Energy Physics - Phenomenology · Physics 2016-02-15 Yu-Ping Kuang , Hong-Yu Ren , Ling-Hao Xia

Searches for new physics at the LHC at CERN traditionally use advanced simulations to model Standard Model and new-physics processes in high-energy collisions and compare them with data. The lack of recent direct discoveries, however, has…

High Energy Physics - Experiment · Physics 2025-09-30 Antonio D'Avanzo
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