Supersymmetric QCD Corrections to the Charged Higgs Boson Decay of the Top Quark

Abstract

The one-loop supersymmetric QCD quantum effects on the width of the unconventional top quark decay mode $t\to H^{+}b$ are evaluated within the MSSM. The study of this process is useful to hint at the supersymmetric nature of the charged Higgs emerging from that decay. Remarkably enough, recent calculations of supersymmetric corrections to $Z$-boson observables have shown that the particular conditions by which the decay $t\to H^{+}b$ becomes competitive with the standard decay $t\to W^{+}b$ have a chance to be realized in nature. This further motivates us to focus our attention on the dynamics of $t\to H^{+}b$ as an excellent laboratory to unravel Supersymmetry at the quantum level in future experiments at Tevatron and at LHC.

13 pages in LaTeX and 5 figures. A postscript version can be obtained from anonymous ftp at ftp://ftp.ifae.es/preprint/ft/uabft370.ps

References in corpus (23)

• Topcolor Assisted Technicolor
• Evidence for Top Quark Production in $\bar{p}p$ Collisions at $\sqrt{s}=1.8$ TeV
• Implications of the Partial Width Z->bb for Supersymmetry Searches and Model-Building
• Determining ${\alpha }_s$ from Measurements at $Z$: How Nature Prompts us about New Physics
• Multiscale Technicolor and Top Production
• Perturbative QCD data are consistent with light gluinos
• Light Gluinos in $Z^0$ Decays?
• The Search for Top Squarks at the Fermilab Tevatron Collider
• QCD corrections to the charged Higgs decay of a heavy quark
• Supersymmetric Electroweak Renormalization of the Z-Width in the MSSM (I)
• Best Fit to the Gluino Mass
• Charged Higgs Boson Search at the Tevatron Upgrade Using Tau Polarization
• THE QUANTUM CORRELATION R_b-R_c IN THE MSSM: MORE HINTS OF SUPERSYMMETRY?
• STRONG SUPERSYMMETRIC QUANTUM EFFECTS ON THE TOP QUARK WIDTH
• Matching the Low and High Energy Determinations of ${\alpha }_s(M_z)$ in the MSSM
• Electroweak Supersymmetric Quantum Corrections to the Top Quark Width
• On the QCD corrections to the charged Higgs decay of a heavy quark
• QCD CORRECTIONS TO THE H+ -->t anti-b decay within the minimal supersymmetric standard model
• ${\epsilon }_b$ Constraints on the Minimal $SU(5)$ and $SU(5)\times U(1)$ Supergravity Models
• Physics of Single-Top Quark Production at Hadron Colliders
• QCD corrections to the t-->H+b decay within the minimal supersymmetric standard model
• Future of Top-Quark Physics at Fermilab
• The Top-Quark Width in the Light of $Z$-Boson Physics

Cited by in corpus (32)

• Effective lagrangian for the tbH^+ interaction in the MSSM and charged Higgs phenomenology
• Higgs Boson Theory and Phenomenology
• SDECAY: a Fortran code for the decays of the supersymmetric particles in the MSSM
• B -> X_s gamma in supersymmetry: large contributions beyond the leading order
• Combination of ttbar cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons
• Resummation of tan-beta-enhanced supersymmetric loop corrections beyond the decoupling limit
• Strong effects on the hadronic widths of the neutral Higgs Bosons in the MSSM
• Prospects for heavy supersymmetric charged Higgs boson searches at hadron colliders
• Supersymmetric QCD corrections to the top quark decay of a heavy charged higgs boson
• Fermionic decays of sfermions: a complete discussion at one-loop order
• Loop effects and non-decoupling property of SUSY QCD in $gb\to t{H}^{-}$
• Implications on the Supersymmetric Higgs sector from Top quark decays at the Tevatron
• QCD corrections to the decay $H^{+}\to t\bar{b}$ in the Minimal Supersymmetric Standard Model
• Production and FCNC decay of supersymmetric Higgs bosons into heavy quarks in the LHC
• Top quark decay into charged Higgs boson in a general Two-Higgs-Doublet model: implications for the TEVATRON data
• Single Higgs-boson production through gamma-gamma scattering within the general 2HDM
• Quantum effects on Higgs-strahlung events at Linear Colliders within the general 2HDM
• Effective Higgs-quark-quark couplings from a heavy SUSY spectrum
• The tan(beta) - M_H^\pm bound from inclusive semi-tauonic B-decays in the MSSM
• The Search for Supersymmetry at the Tevatron Collider
• Top Quark Physics at the Tevatron
• QCD Corrections to the Top Decay Mode $t \ra \tilde{t} χ^0$
• Optimal observables to search for indirect supersymmetric QCD signals in Higgs boson decays
• Improved sensitivity to charged Higgs searches in Top quark decays $t\to b{H}^{+}\to b({\tau }^{+}{\nu }_{\tau })$ at the LHC using $\tau$ polarisation and multivariate tecnniques
• Bounds on charged higgs boson in the 2HDM type III from Tevatron
• QCD corrections to the decay $H^+ \to \st \bar{\sb}$ in the Minimal Supersymmetric Standard Model
• One-loop QCD Corrections to Top Quark Decay into a Neutralino and Light Stop
• Supersymmetric effects on heavy charged Higgs boson production in hadron colliders
• Flavor changing neutral decay effects in models with two Higgs boson doublets: Applications to LHC Physics
• Discriminating between SUSY and Non-SUSY Higgs Sectors through the Ratio $H\to b\bar{b}/H\to {\tau }^{+}{\tau }^{-}$ with a 125 GeV Higgs boson
• Quantum SUSY signatures in low and high energy processes
• Looking for quantum SUSY signatures in top quark decays at hadron colliders