English
Related papers

Related papers: Probing the Top Quark Flavour-Changing Neutral Cur…

200 papers

We investigate flavor-changing neutral current (FCNC) interactions of the top quark at a future muon collider with a center-of-mass energy of $\sqrt{s} = 10~\mathrm{TeV}$. The process $\mu^{+}\mu^{-} \to \nu_{\mu}\,\mu^+\,b\,j$ and its…

High Energy Physics - Phenomenology · Physics 2026-04-16 A. Senol , B. S. Ozaltay , M. Tekin , H. Denizli

In this paper, a detailed study to probe the top quark Flavour-Changing Neutral Currents (FCNC) $tq\gamma$ and $tqZ$ at the future $e^{-}e^{+}$ collider FCC-ee in three different center-of-mass energies of 240, 350 and 500 GeV is presented.…

High Energy Physics - Phenomenology · Physics 2017-11-02 Hamzeh Khanpour , Sara Khatibi , Morteza Khatiri Yanehsari , Mojtaba Mohammadi Najafabadi

We investigate the possible presence of Flavor Changing Neutral Current (FCNC) couplings of the top quark with gluon and photon through $e^-p\to e^-tj$ process at the Future Circular Collider in the proton-electron mode (FCC-he). Focusing…

High Energy Physics - Phenomenology · Physics 2020-11-19 Subhasish Behera , Poulose Poulose

A study of single top quark production via flavor changing neutral current interactions at $tq\gamma$ vertices is performed at future circular hadron electron collider. The signal cross sections for the processes $e^{-}p\to e^{-}W^{\pm}q+X$…

High Energy Physics - Phenomenology · Physics 2017-07-28 H. Denizli , A. Senol , A. Yilmaz , I. T. Cakir , H. Karadeniz , O. Cakir

A study of the top quark \emph{Flavour Changing Neutral Current} (FCNC) through $Z$-boson has been performed in the proposed future $e^-p$ collider for the energy, $E_{e(p)} = 60~(7000)$~GeV. We considered an effective theory where the…

High Energy Physics - Phenomenology · Physics 2019-07-17 Subhasish Behera , Rashidul Islam , Mukesh Kumar , Poulose Poulose , Rafiqul Rahaman

In this study, we investigate anomalous flavour-changing neutral current (FCNC) interactions related to the top quark, particularly the $t\rightarrow q\gamma$ transition, within the Standard Model Effective Field Theory (SMEFT) framework.…

High Energy Physics - Phenomenology · Physics 2025-02-26 E. Alici

We report a search for the flavor changing neutral current (FCNC) decay of the top quark \tZq ($q=u,c$) in \ppbar collisions at $\sqrt{s} = 1.96\tev$ using a data sample corresponding to an integrated luminosity of 1.9\invfb collected by…

High Energy Physics - Experiment · Physics 2010-05-12 CDF Collaboration , T. Aaltonen

The top quark flavor changing neutral current (FCNC) processes are extremely suppressed within the Standard Model (SM) of particle physics. However, they could be enhanced in a new physics model Beyond the Standard Model (BSM). The top…

High Energy Physics - Phenomenology · Physics 2019-06-26 O. Cakir , A. Yilmaz , I. Turk Cakir , A. Senol , H. Denizli

We discuss the production and the decay of top quark through flavor-changing neutral current (FCNC) interaction at future linear colliders. We first discuss the theoretical predictions of top quark FCNC decays into $qH$ and $qZ$ within a…

High Energy Physics - Phenomenology · Physics 2024-10-01 Adil Jueid , Shinya Kanemura

In this paper, we consider a single top quark production in association with a neutral gauge boson (Z boson or Photon) at the future electron-positron colliders. We utilize these channels to probe the top quark Flavour Changing Neutral…

High Energy Physics - Phenomenology · Physics 2021-07-14 Sara Khatibi , Mehrnoosh Moallemi

The investigation of flavour-changing neutral current transitions(FCNC) involving the top quark are only possible with new theoretical frameworks that extend the Standard Model(SM), given that these transitions are almost entirely…

High Energy Physics - Phenomenology · Physics 2024-12-13 Eda Alici

Flavour-changing neutral current (FCNC) interactions between the Higgs boson and the top quark are subject to significant suppression within the Standard Model (SM). Consequently, these interactions can only attain an observable level…

High Energy Physics - Phenomenology · Physics 2025-03-24 Eda Alici

We investigate the top quark anomalous Flavor Changing Neutral Current (FCNC) $tqg$ interactions to probe limits on the couplings $\zeta_c$ and $\zeta_u$ through the $qg \to l\nu b$ signal suprocess at FCC-hh collider with center of mass…

High Energy Physics - Phenomenology · Physics 2019-06-26 K. Y. Oyulmaz , A. Senol , H. Denizli , O. Cakir

We investigate the anomalous flavour changing neutral current (FCNC) interactions of top quark through the process $e^{-}p\to e^{-}W^{\pm}q+X$. We calculate the signal and background cross sections in electron proton collisions at Large…

High Energy Physics - Phenomenology · Physics 2017-08-18 I. Turk Cakir , A. Yilmaz , H. Denizli , A. Senol , H. Karadeniz , O. Cakir

A search for flavour changing neutral current (FCNC) processes in top-quark decays by the ATLAS Collaboration is presented. Data collected from pp collisions at the LHC at a centre-of-mass energy of sqrt(s) = 7 TeV during 2011,…

High Energy Physics - Experiment · Physics 2013-06-11 ATLAS Collaboration

These proceedings present a search for flavour-changing neutral-current (FCNC) interaction involving the top quark, Higgs boson and either the up or the charm quark, using 140 fb$^{-1}$ of 13 TeV proton--proton collision data from the ATLAS…

High Energy Physics - Experiment · Physics 2026-02-04 Shayma Wahdan , On behalf of the ATLAS collaboration

A search for flavour-changing neutral current (FCNC) processes in top-quark decays is presented. Data collected from proton-proton collisions at the LHC at a centre-of-mass energy of $\sqrt{s}=13$ TeV corresponding to an integrated…

High Energy Physics - Experiment · Physics 2019-08-13 A. Durglishvili

We present a search for flavor changing neutral currents via quark-gluon couplings in a sample of single top quark final states corresponding to 2.3 fb^-1 of integrated luminosity collected with the D0 detector at the Fermilab Tevatron…

High Energy Physics - Experiment · Physics 2010-09-28 D0 Collaboration , V. Abazov

The presence of the anomalous top quark flavour changing neutral current (FCNC) interactions leads to the production of same-sign top quarks in proton-proton collisions. The results of a search for events with same-sign dileptons and b-jets…

High Energy Physics - Phenomenology · Physics 2015-01-29 Reza Goldouzian

An overview of searches for top quark flavour changing neutral currents (FCNC) from the CDF, D0, ATLAS and CMS collaborations is presented. The FCNC interactions of top quarks are probed through the anomalous decays and production channels.…

High Energy Physics - Experiment · Physics 2019-08-15 Reza Goldouzian
‹ Prev 1 2 3 10 Next ›