Chung Kao

Relic density of neutralino dark matter in supergravity models

We calculate the relic density

Astrophysical constraints on large extra dimensions

({\ensuremath{\Omega}}_{{\ensuremath{\chi}}_{1}^{0}}{h}^{2})

Higgs boson pair production from gluon fusion

of neutralino dark matter in supergravity models with radiative electroweak symmetry breaking, for values of the Higgs sector parameter

A Two Higgs doublet model for the top quark

\mathrm{tan}\ensuremath{\beta}\ensuremath{\equiv}{v}_{2}{/v}_{1}

Effective Lagrangians and low energy photon-photon scattering

between the two infrared fixed points of the top quark Yukawa coupling,

Electric dipole moment of the muon in a two Higgs doublet model

\mathrm{tan}\ensuremath{\beta}\ensuremath{\simeq}1.8

Physics at future hadron colliders

and

Parity violation in top quark pair production at the Fermilab Tevatron collider

\mathrm{tan}\ensuremath{\beta}\ensuremath{\simeq}56

Comparison of

. For

H\to\ell\bar{\ell}\gamma

\mathrm{tan}\ensuremath{\beta}\ensuremath{\lesssim}10