Radiative Corrections to e+eZhe^+e^- \to Zh at Future Higgs Factory in the Minimal Dilaton Model

Feb 10, 2015
7 pages
Published in:
  • Commun.Theor.Phys. 63 (2015) 2, 188-194
  • Published: Feb 10, 2015

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Abstract: (IOP)
The minimal dilaton model (MDM) extends the Standard Model by one singlet scalar called dilaton and one top quark partner called t'. In this work we investigate the t'-induced radiative correction to the Higgs-strahlung production process e(+)e(−) → Zh at future Higgs factory. We first present the analytical calculations in detail and show how to handle the ultraviolet divergence. Then we calculate the correction numerically by considering the constraints from precision electroweak data. We find that, for sinθ(L) = 0.2 and m(t') = 1200 GeV, the correction is 0.26% and 2.1% for , 1 TeV respectively, and a larger value can be achieved as sin θ(L) increases.
  • 12.60.Fr
  • 14.80.Cp
  • minimal dilaton model
  • radiative corrections
  • top quark partner
  • new physics
  • dilaton
  • top': mass
  • Higgs-factory
  • electron positron: scattering