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Related papers: Study on Anomalous Neutral Triple Gauge Boson Coup…

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We investigate the sensitivity of total cross sections of $e+p \rightarrow W,Z$ to CP-conserving non-standard $WW\gamma$ couplings. We include all the important production mechanisms and study the dependence of the total $W$ cross sections…

High Energy Physics - Phenomenology · Physics 2011-07-19 C. S. Kim , Jungil Lee , H. S. Song

We investigate trilepton final states to probe top anomalous couplings at the Large Hadron Collider. We focus on events originating from the associated production of a single top quark with a Z-boson, a channel sensitive to several…

High Energy Physics - Phenomenology · Physics 2013-07-24 Jean-Laurent Agram , Jeremy Andrea , Eric Conte , Benjamin Fuks , Denis Gelé , Pierre Lansonneur

A study of the anomalous couplings of the Higgs boson to vector bosons, including $CP$-violation effects, has been conducted using its production and decay in the WW channel. This analysis is performed on proton-proton collision data…

High Energy Physics - Experiment · Physics 2024-08-20 CMS Collaboration

We analyze the potential of the CERN Large Hadron Collider running at 7 TeV to search for deviations from the Standard Model predictions for the triple gauge boson coupling ZW+W- assuming an integrated luminosity of 1 fb^{-1}. We show that…

High Energy Physics - Phenomenology · Physics 2011-06-30 O. J. P. Eboli , J. Gonzalez-Fraile , M. C. Gonzalez-Garcia

Searches for anomalous neutral triple gauge boson couplings (NTGCs) provide important tests for the gauge structure of the standard model. In SMEFT ("standard model effective field theory") NTGCs appear only at the level of dimension-8…

High Energy Physics - Phenomenology · Physics 2024-11-26 Ricardo Cepedello , Fabian Esser , Martin Hirsch , Veronica Sanz

In this study, 24.5 TeV CoM energy FCC-$\mu p$ and 20.2 TeV CoM energy SPPC-$\mu p$ muon-proton colliders have been utilized to explore the anomalous $ZZ\gamma$ and $Z\gamma\gamma$ couplings corresponding to dim-8 operators through the…

High Energy Physics - Phenomenology · Physics 2024-12-31 E. Gurkanli

We present a quantitative study on sensitivities to the top-decay anomalous couplings, taking into account realistic experimental conditions expected at Tevatron and LHC. A double angular distribution of W and charged lepton in the top…

High Energy Physics - Experiment · Physics 2009-11-11 S. Tsuno , I. Nakano , Y. Sumino , R. Tanaka

Neutral triple gauge couplings (nTGCs) are absent in the standard model effective theory up to dimension-6 operators, but could arise from dimension-8 effective operators. In this work, we study the pure gauge operators of dimension-8 that…

High Energy Physics - Phenomenology · Physics 2021-01-01 John Ellis , Hong-Jian He , Rui-Qing Xiao

Spontaneous breaking of the $SU(2)_{L}\times U(1)_{Y}$ electroweak symmetry of the Standard Model (SM) sets the constraints on triple gauge couplings and quartic gauge couplings. Therefore, the measurement of multiboson production in $e^{-}…

High Energy Physics - Phenomenology · Physics 2023-06-22 M. Köksal

In a model-independent way, we explore the potential of photon-induced interactions with the process $\gamma^* \gamma^* \rightarrow ZZ$ to investigate CP-conserving and CP-violating dimension-six operators of Higgs-gauge boson couplings…

High Energy Physics - Phenomenology · Physics 2024-04-18 S. Spor

A non-standard symmetry breaking sector may lead to derivative couplings of the Higgs boson and thereby to anomalous interactions with the electroweak gauge bosons. In the framework of gauge-invariant effective Lagrangians the resulting…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Hagiwara , R. Szalapski , D. Zeppenfeld

The discovery potential and diagnostic abilities of proposed future colliders for new heavy neutral ($Z'$) and charged ($W'$) gauge bosons are summarized. Typical bounds achievable on $M_{Z',W'}$ at the TEVATRON, DI-TEVATRON, LHC, 500 GeV…

High Energy Physics - Phenomenology · Physics 2016-11-03 M. Cvetic , S. Godfrey

We probe the dimension-six operators contributing to Higgs production in association with a $Z$ boson at the future high-luminosity electron-positron colliders. Potential constraints on dimension-six operators in the Higgs sector are…

High Energy Physics - Phenomenology · Physics 2017-03-29 Hamzeh Khanpour , Mojtaba Mohammadi Najafabadi

This Letter reports evidence of triple gauge boson production $pp\to W(\ell\nu)\gamma\gamma + X$, which is accessible for the first time with the 8 TeV LHC data set. The fiducial cross section for this process is measured in a data sample…

High Energy Physics - Experiment · Physics 2015-08-26 ATLAS Collaboration

Limits on anomalous WWgamma and WWZ couplings are presented from a study of WW/WZ->enujj events in ppbar collisions at sqrt{s}=1.8 TeV. Results from the analysis of data collected using the D0 detector during the 1993-1995 Tevatron collider…

High Energy Physics - Experiment · Physics 2008-11-26 D0 collaboration , B. Abbott , M. Abolins

Search for new-physics through possible anomalous t tbar gamma, tbW and gamma gamma H couplings which are generated by SU(2) X U(1) gauge-invariant dimension-6 effective operators is discussed, using energy and angular distributions of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Bohdan Grzadkowski , Zenro Hioki , Kazumasa Ohkuma , Jose Wudka

Neutral triple gauge couplings (nTGCs) first arise from the dimension-8 operators of the Standard Model Effective Field Theory (SMEFT), rather than the dimension-4 SM Lagrangian and dimension-6 SMEFT operators, opening up a unique window…

High Energy Physics - Phenomenology · Physics 2026-04-10 John Ellis , Hong-Jian He , Rui-Qing Xiao , Shi-Ping Zeng

The measurement of the ZZ production cross section in proton-proton collisions at center-of-mass energies of 7 and 8 TeV from data acquired by the CMS experiment at the LHC is presented. The decay channel ZZ to 2l2nu is selected from data…

High Energy Physics - Experiment · Physics 2014-09-08 Luca Pernie

In this paper, the potentials of two different processes $e^{+}e^{-}\rightarrow W^{-} W^{+}\gamma$ and $e^{+}e^{-} \rightarrow e^{+}\gamma^{*} e^{-} \rightarrow e^{+} W^{-} Z \nu_{e}$ at the Compact Linear Collider (CLIC) are examined to…

High Energy Physics - Phenomenology · Physics 2015-07-06 M. Köksal , A. Senol

We examine the capability of the NLC in the $\gamma e$ collider mode to probe the CP-conserving $\gamma WW$ and $\gamma ZZ$ anomalous couplings through the use of the polarization asymmetry. When combined with other measurements, very…

High Energy Physics - Phenomenology · Physics 2007-05-23 Thomas G. Rizzo
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