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Related papers: CP-violating Anomalous $WW\gamma$ Couplings in e^+…

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We study the sensitivity of a 500 GeV $e^+e^-$ Linear Collider to $CP$ violating anomalous couplings. We find that with 50~fb$^{-1}$, and taking only one non-zero coupling at a time, the process $e^+e^-\to W^+ W^-$ can be used to place the…

High Energy Physics - Phenomenology · Physics 2016-08-25 A. A. Likhoded , G. Valencia , O. P. Yushchenko

We perform a detailed analysis of the processes $e^+e^- \rightarrow \bar{\nu} \nu\gamma$ and $\bar{\nu}\nu\bar{q}q$ at future linear $e^+e^-$ colliders and assess their sensitivity to anomalous gauge boson couplings. We consider center of…

High Energy Physics - Phenomenology · Physics 2009-10-28 Debajyoti Choudhury , Jan Kalinowski

We study the capability of a $2 TeV$ $p\overline{p}$ collider with an integrated luminosity of $10 fb^{-1}$ to study CP violation in the processes $p \bar{p} \ra W^\pm \gamma$ and $p \bar{p} \ra Z \gamma$. We assume the existence of new CP…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Dawson , X. -G. He , G. Valencia

We perform a detailed study of the process $e^+e^-\to\gamma\nu_l\bar\nu_l$ and its sensitivity to anomalous gauge boson couplings of the $\gamma WW$ vertex. We concentrate on LEP II energies, $\sqrt{s}=200$ GeV, and energies appropria- te…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. Couture , S. Godfrey

We investigate the possibility of probing the CP-violating $h\bar{t}t$ coupling in the process $e^{+}e^{-}\rightarrow h \gamma$ at the future high luminosity $e^{+}e^{-}$ colliders. Our numerical results show that the cross section for this…

High Energy Physics - Phenomenology · Physics 2016-04-06 Gang Li , Hao-Ran Wang , Shou-hua Zhu

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 analyze possible CP-violating effects induced in the $Z$ decay with hard photon radiation by $\gamma ZZ$ and $\gamma\gamma Z$ anomalous vertices. We estimate the sensibility of future linear collider experiments on these couplings coming…

High Energy Physics - Phenomenology · Physics 2010-04-05 M. A. Perez , F. Ramirez-Zavaleta

In this paper, we examine the potentials of the processes $\gamma \gamma\rightarrow W^{+} W^{-}Z $ and $e^{+}e^{-} \rightarrow e^{+}\gamma^{*} \gamma^{*} e^{-} \rightarrow e^{+} W^{+} W^{-} Z e^{-}$ at the CLIC with $\sqrt{s}=0.5,1.5$ and…

High Energy Physics - Phenomenology · Physics 2015-03-27 A. Senol , M. Köksal

The ATLAS and CMS collaborations have recently published new limits on CP conserving anomalous couplings from the $W\gamma$ and $Z\gamma$ production processes. We study the corresponding limits that can be placed on the CP violating…

High Energy Physics - Phenomenology · Physics 2013-08-14 Sally Dawson , Sudhir Kumar Gupta , German Valencia

The Compact Linear Collider (CLIC) is one of the most popular linear colliders, planned to realize $e^{-}e^{+}$ collisions in three energy stages of $0.5$, $1.5$, and $3$ TeV. It has an energy scale never reached by any existing lepton…

High Energy Physics - Phenomenology · Physics 2014-10-31 M. Koksal

We have measured the $WW\gamma$ gauge boson coupling parameters using $p\bar{p}\to \ell\nu\gamma+X$ ($\ell=e,\mu$) events at $\sqrt{s}=1.8$ TeV. The data, corresponding to an integrated luminosity of 89.1 pb^{-1}, were collected using the…

High Energy Physics - Experiment · Physics 2012-08-03 The DZero Collaboration , S. Abachi

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

The anomalous $WW\gamma$ coupling is probed through $e\gamma\rightarrow \nu W$ at the ILC. With a spectacular single lepton final state, this process is well suited to study the above coupling. Cross section measurements can probe $\delta…

High Energy Physics - Phenomenology · Physics 2016-01-20 Satendra Kumar , Poulose Poulose

The process e+e- -> W+W-gamma is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of 188.6GeV, corresponding to an integrated luminosity of 176.8pb^-1. Based on a sample of 42 selected W+W- candidates…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

Forward-backward asymmetry in the process $e^+ e^- \rightarrow \gamma Z$ is proposed as a test for $CP$--violating anomalous $\gamma \gamma Z$ and $ \gamma Z Z$ couplings. Longitudinally polarized electron beams may be used to disentangle…

High Energy Physics - Phenomenology · Physics 2010-11-01 Debajyoti Choudhury , Saurabh D. Rindani

The potential of LC+HERA based gamma-p collider to probe WW-gamma vertex is presented through the discussion of sensitivity to anomalous couplings and p_{T} distribution of the final quark. The limits of -0.16<(kappa-1)<0.14,…

High Energy Physics - Phenomenology · Physics 2016-09-06 S. Atag , I. T. Cakir

We present limits on anomalous WWZ and WW-gamma couplings from a search for WW and WZ production in p-bar p collisions at sqrt(s)=1.8 TeV. We use p-bar p -> e-nu jjX events recorded with the D0 detector at the Fermilab Tevatron Collider…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , B. Abbott

We study the prospects of testing the $WW\gamma$ vertex in $e^- p\to\nu\gamma X$ and $e^+ p\to\nu\gamma X$ at HERA and LEP/LHC. Destructive interference effects between the Standard Model and the anomalous contributions to the amplitude…

High Energy Physics - Phenomenology · Physics 2009-10-22 U. Baur , M. A. Doncheski

We examine the potential of the $e^-p \to e^-\gamma^*p \to e^-W^-q'X$ ($\gamma^*$ is Weizsacker-Willams photon) reaction to probe the non-standard $W^+W^-\gamma$ couplings at the Large Hadron electron Collider (LHeC) and the Future Circular…

High Energy Physics - Phenomenology · Physics 2020-08-26 M. Koksal , A. A. Billur , A. Gutierrez-Rodriguez , M. A. Hernandez-Ruiz

We demonstrate in a general framework that polarized photons by backscattered laser beams of adjustable frequencies at a TeV linear $e^+e^-$ collider provide us with a very efficient mechanism to probe CP violation in two-photon collisions.…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Y. Choi , K. Hagiwara , M. S. Baek
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