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We investigate the constraints on the anomalous quartic $ZZ\gamma\gamma$ couplings through the process $p p\to p\gamma p\to p \gamma q Z X$ at the LHC. Taking into consideration various forward detector acceptances and integrated LHC…

High Energy Physics - Phenomenology · Physics 2012-12-05 I. Sahin , B. Sahin

Triple gauge boson production provides a promising opportunity to probe the anomalous quartic gauge couplings in understanding the details of electroweak symmetry breaking at future hadron-hadron collider facilities with increasing center…

High Energy Physics - Phenomenology · Physics 2022-06-10 A. Senol , O. Karadeniz , K. Y. Oyulmaz , C. Helveci , H. Denizli

The exclusive two-photon production at the LHC of pairs of W and Z bosons provides a novel and unique test-ground for the electroweak gauge boson sector. In particular it offers, thanks to high gamma-gamma center-of-mass energies, large and…

High Energy Physics - Phenomenology · Physics 2009-02-05 Tomasz Pierzchala , Krzysztof Piotrzkowski

We report on a possible measurement at the LHC using the first data and a luminosity of 10 pb$^{-1}$ of $W$ and $Z$ pair production via two-photon exchange. This measurement allows to increase the present sensitivity on $WW\gamma \gamma$…

High Energy Physics - Phenomenology · Physics 2009-08-10 E. Chapon , O. Kepka. C. Royon

The discovery of Higgs boson plays a crucial role in understanding the electroweak symmetry breaking sector. From now on, solving the dynamics of this sector needs precision measurements of the couplings of the Higgs boson to the standard…

High Energy Physics - Phenomenology · Physics 2013-05-17 A. Senol

We propose a sensitive way to test the anomalous HVV couplings (V=W^\pm, Z^0) of the Higgs boson (H), which can arise from either the dimension-3 effective operator in a nonlinearly realized Higgs sector or the dimension-6 effective…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. -J. He , Y. -P. Kuang , C. -P. Yuan , B. Zhang

The absence of a light Higgs boson causes vector boson couplings to become strong at 1 TeV. A general framework for a systematic and consistent treatment is provided by effective theories of electroweak symmetry breaking. Already in…

High Energy Physics - Phenomenology · Physics 2009-08-21 Erik Schmidt , Michael Beyer , Henning Schroeder

The dimension-four genuine anomalous quartic couplings are studied in processes of six-fermion production via e+e- collisions. Complete tree-level electroweak calculations are performed including initial-state-radiation and beamstrahlung.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Fabrizio Gangemi

We conducted a study on measuring $W^+W^-$ production and on the sensitivity limits at $95\%$ Confidence Level on thirteen anomalous couplings obtained by dimension-8 operators which are related to the anomalous quartic $WW\gamma\gamma$…

High Energy Physics - Phenomenology · Physics 2020-06-01 V. Ari , E. Gurkanli , A. Gutiérrez-Rodríguez , M. A. Hernández-Ruíz , M. Köksal

We study the sensitivity of certain observables to the anomalous right tensorial coupling in single top production at the LHC at $\sqrt{s}=13 \text{ TeV}$. The observables consist of asymmetries constructed from the energy and angles of the…

High Energy Physics - Phenomenology · Physics 2018-10-03 Adil Jueid

The production of three electroweak gauge bosons in high-energy $e^+e^-$ collisions offers a window on anomalous quartic gauge boson couplings. We investigate the effect of three possible anomalous couplings on the cross sections for…

High Energy Physics - Phenomenology · Physics 2011-09-13 W. James Stirling , Anja Werthenbach

Triple gauge boson associated production at the LHC serves as an interesting channel to test the robustness of the Standard Model. Any deviation from its SM prediction may indicate possible existence of relevant new physics, e.g., anomalous…

High Energy Physics - Phenomenology · Physics 2015-06-12 Daneng Yang , Yajun Mao , Qiang Li , Shuai Liu , Zijun Xu , Ke Ye

We study in detail the impact of anomalous Higgs couplings in angular asymmetries of the crossing-symmetric processes H --> Zl+l- and e+e- --> HZ. Beyond Standard Model physics is parametrized in terms of the SU(3)xSU(2)_LxU(1)_Y…

High Energy Physics - Phenomenology · Physics 2014-11-13 Martin Beneke , Diogo Boito , Yu-Ming Wang

The triple gauge couplings are completely defined by the non-Abelian gauge nature of the Standard Model, precision measurements of these couplings at the present and future colliders in this way provide a substantial opportunity to test the…

High Energy Physics - Phenomenology · Physics 2020-09-01 S. Spor , A. A. Billur , M. Köksal

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

We examine the potential of the $ep\to\nu_{e}q\gamma X$ and $ep\to\nu_{e}qZX$ processes to search for the anomalous couplings of $WW\gamma$ and $WWZ$ vertices at the LHeC with the electron beam energy of $E_{e}=60$ GeV and $E_{e}=140$ GeV.…

High Energy Physics - Phenomenology · Physics 2014-11-14 I. T. Cakir , O. Cakir , A. Senol , A. T. Tasci

We have investigated the flavor changing top quark physics on the dimension-six anomalous $tq\gamma$ ($q=u,c$) couplings through the process $pp\to p\gamma \gamma p\to p t\bar{q}p$ at the LHC by considering different forward detector…

High Energy Physics - Phenomenology · Physics 2015-06-17 S. C. İnan

The vector boson scattering (VBS) processes in Large Hadron Collider (LHC) experiments offer a unique opportunity to probe the anomalous quartic gauge couplings (aQGCs). We study the dimension-8 operators contributing to the anomalous…

High Energy Physics - Phenomenology · Physics 2023-10-23 Yu-Chen Guo , Ying-Ying Wang , Ji-Chong Yang

We study the process pp->QVX (where Q=t,b and V=g,gamma,Z) through the anomalous interactions of the new heavy quarks at the LHC. Considering the present limits on the masses and mixings, the signatures of the heavy quark anomalous…

High Energy Physics - Phenomenology · Physics 2014-10-22 I. T. Cakir , S. Kuday , O. Cakir

In this paper, a study is carried out on the $e^-p \to e^-\gamma^* p \to p W^+\gamma \nu_e$ production to probe quartic $W^+W^-\gamma\gamma$ couplings using 10, 100 ${\rm fb^{-1}}$ of $e^-p$ collisions data at $\sqrt{s}$= 1.30, 1.98 GeV at…

High Energy Physics - Phenomenology · Physics 2021-03-09 A. Gutiérrez-Rodríguez , M. A. Hernández-Ruíz , E. Gurkanli , V. Ari , M. Köksal