SUSY-induced FCNC top-quark processes at the Large Hadron Collider

Abstract

We systematically calculate various flavor-changing neutral-current top-quark processes induced by supersymmetry at the Large Hadron Collider, which include five decay modes and six production channels. To reveal the characteristics of these processes, we first compare the dependence of the rates for these channels on the relevant supersymmetric parameters, then we scan the whole parameter space to find their maximal rates, including all the direct and indirect current experimental constraints on the scharm-stop flavor mixings. We find that, under all these constraints, only a few channels, through cg->t at parton-level and t-> ch, may be observable at the Large Hadron Collider.

Version in PRD (refs updated)

References in corpus (10)

• Direct Limits on the Bs Oscillation Frequency
• Single Top-Quark Production in Flavor-Changing Z' Models
• New Physics effects in the flavor-changing neutral couplings of the Top quark
• Experimental Constraints on Scharm-Stop Flavor Mixing and Implications in Top-quark FCNC Processes
• Upper bounds on SUSY contributions to b to s transitions from B_s - B_sbar mixing
• Rare Decay of the Top t->c l lbar and Single Top Production at International Linear Collider
• Single top-quark production by direct supersymmetric flavor-changing neutral-current interactions at the LHC
• Constraint on Right-Handed Squark Mixings from B_s - B_sbar Mass Difference
• Contributions from dimension six strong flavor changing operators to top anti-top, top plus gauge boson, and top plus Higgs boson production at the LHC
• B\to X_sγ, X_s l^+ l^- decays and constraints on the mass insertion parameters in the MSSM

Cited by in corpus (54)

• Deciphering top flavor violation at the LHC with B factories
• Search for top quark decays $t\to qH$ with $H\to \gamma \gamma$ using the ATLAS detector
• The "Top Priority" at the LHC
• SUSY induced top quark FCNC decay $t\to ch$ after Run I of LHC
• Top-quark FCNC Productions at LHC in Topcolor-assisted Technicolor Model
• Rare Top-quark Decays to Higgs boson in MSSM
• Flavour violating squark and gluino decays
• Squark Flavor Violation at the LHC
• Dimension six FCNC operators and top production at the LHC
• Search for top quark decays $t\to qH$, with $H\to \gamma \gamma$, in $\sqrt{s}=13$ TeV $pp$ collisions using the ATLAS detector
• Charged-Higgs Collider Signals with or without Flavor
• Combined effects of strong and electroweak FCNC effective operators in top quark physics at the LHC
• R-parity violating effects in top quark FCNC productions at LHC
• Top quark physics at the LHC
• Dimension-six anomalous $tq\gamma$ couplings in $\gamma \gamma$ collision at the LHC
• Impact of squark generation mixing on the search for squarks decaying into fermions at LHC
• Search for flavor-changing neutral current interactions of the top quark and Higgs boson in final states with two photons in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Single top-quark production by strong and electroweak supersymmetric flavor-changing interactions at the LHC
• FCNC-induced heavy-quark events at the LHC from Supersymmetry
• In search of an unbiased temperature estimator for statistically poor X-ray spectra
• Top quark FCNC decays and productions at LHC in littlest Higgs model with T-parity
• The flavor-changing single-top quark production in the littlest Higgs model with T parity at the LHC
• Probing tqZ anomalous couplings in the trilepton signal at the HL-LHC, HE-LHC and FCC-hh
• Search for flavour-changing neutral-current couplings between the top quark and the photon with the ATLAS detector at $\sqrt{s}=13$ TeV
• Top-Quark FCNC Decay t->cgg in Topcolor-assisted Technicolor Model
• Search for flavour-changing neutral-current interactions of a top quark and a gluon in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Searches for anomalous $tqZ$ couplings from the trilepton signal of $tZ$ associated production at the 14 TeV LHC
• Searches for the FCNC couplings from top-Higgs associated production signal with $h\to \gamma \gamma$ at the LHC
• Top quark three-body decays in the R-parity violating MSSM
• Search for top quark flavour changing neutral currents in same-sign top quark production
• The flavor-changing top-charm quark production in the littlest Higgs model with T parity at the ILC
• Model-independent search for the presence of new physics in events including $H\to \gamma \gamma$ with $\sqrt{s}$ = 13 TeV pp data recorded by the ATLAS detector at the LHC
• Search for flavour-changing neutral-current couplings between the top quark and the Higgs boson in multi-lepton final states in 13 TeV $pp$ collisions with the ATLAS detector
• Search for flavor-changing neutral-current couplings between the top quark and the $Z$ boson with proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for a new scalar resonance in flavour-changing neutral-current top-quark decays $t\to qX$ ($q=u,c$), with $X\to b\bar{b}$, in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for flavor-changing neutral $tqH$ interactions with $H\to \gamma \gamma$ in $pp$ collisions at $\sqrt{s}$ = 13 TeV using the ATLAS detector
• Top quark rare three-body decays in the littlest Higgs model with T-parity
• CP Asymmetry in Charged Higgs Decays to Chargino-Neutralino
• Top quark decay t -> cb\bar{b} in topcolor-assisted technicolor models
• Probing lepton flavor violation signal via e+ e- (gamma gamma) ---> l(i) anti-l(j) in the littlest Higgs model with T-parity at the ILC
• Climbing to the Top of the ATLAS 13 TeV data
• Search for flavour-changing neutral current interactions of the top quark and the Higgs boson in events with a pair of $\tau$-leptons in pp collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Flavour-changing top quark decays in the alternative left-right model
• Single top or bottom production associated with a scalar in γp collision as a probe of topcolor-assisted technicolor
• Top Rare Decays t-> cV in the Mirror Twin Higgs Models
• CKM-suppressed top quark decays t -> q + W in the SM and beyond
• Search for flavor-changing neutral current interactions of the top quark mediated by a Higgs boson in proton-proton collisions at 13 TeV
• Probing the anomalous tqgamma couplings in photon-proton collisions
• The flavor-changing top-charm associated productions at ILC in littlest Higgs model with T parity
• Investigating non-minimal flavour-violating CMSSM in the light of Higgs-Boson mass using information theory
• Single-top quark physics at the LHC: from precision measurements to rare processes and top quark properties
• Investigation of the FCNC couplings between the top quark and the photon in $\gamma \gamma$ and ${\gamma }^{\ast }{\gamma }^{\ast }$ collisions at the CLIC
• Investigating Top-Higgs FCNC Couplings at the FCC-hh
• Sensitivity analysis for the anomalous $tq\gamma$ couplings via $\gamma q\to t\gamma$ subprocess in photon-proton collisions at the FCC-$\mu$p