Holographic Techni-dilaton, or Conformal Higgs

Details Holographic Techni-dilaton, or Conformal Higgs Holographic Techni-dilaton, or Conformal Higgs

2010-03-15

arxiv.org/abs/1003.2841v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in proceedings of SCGT09, Nagoya, Japan, 4 pages

Scientific paper

We study a holographic model dual to walking/conformal technicolor (W/C TC) deforming a hard-wall type of bottom-up setup by including effects from techni-gluon condensation. We calculate masses of (techni-) $\rho$ meson, $a_1$ meson, and flavor/chiral-singlet scalar meson identified with techni-dilaton (TD)/conformal Higgs boson, as well as the $S$ parameter. It is shown that gluon contributions and large anomalous dimension tend to decrease specifically mass of the TD. In the typical model with $S \simeq 0.1$, we find $m_{\rm TD} \simeq 600$ GeV, while $m_\rho,m_{a_1} \simeq 4 {\rm TeV}$.

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