Showing 1999 · hep-phShow all

12 papers · 2 filters

hep-ph1999★ 1 cited

Technicolor Signatures at the High Energy Muon Collider

Kenneth Lane

I discuss high mass signatures of technicolor that would be observable at a very high energy muon collider. Most intriguing is the spectrum of spin-one technihadrons, rho_T, omega_…

hep-ph1999★ 80 cited

On the QCD Ground State at High Density

Nick Evans, James Hormuzdiar, Stephen D. H. Hsu +1

We investigate the possible ground states of QCD at asymptotic densities, where the theory is expected to exhibit color superconductivity. We characterize the color-flavor structur…

hep-ph1999★ 30 cited

Combined analysis of the unitarity triangle and CP violation in the Standard Model

M. Ciuchini, E. Franco, L. Giusti +2

We perform a combined analysis of the unitarity triangle and of the CP violating parameter epsilon'/epsilon using the most recent determination of the relevant experimental data an…

hep-ph1999★ 1 cited

Weak Matrix Elements without Quark Masses on the Lattice

L. Giusti

We introduce a new parameterization of four-fermion matrix elements which does not involve quark masses and thus allows a reduction of systematic uncertainties in physical amplitud…

hep-ph1999★ 19 cited

Triviality and the Precision Bound on the Higgs Mass

R. Sekhar Chivukula, Nick Evans

The triviality of the scalar sector of the standard one-doublet Higgs model implies that this model is only an effective low-energy theory valid below some cut-off scale Lambda. Fo…

hep-ph1999★ 5 cited

Periodic Instantons in SU(2) Yang-Mills-Higgs Theory

G. Bonini, S. Habib, E. Mottola +3

The properties of periodic instanton solutions of the classical SU(2) gauge theory with a Higgs doublet field are described analytically at low energies, and found numerically for…

hep-ph1999★ 153 cited

Schwinger-Dyson Approach to Color Superconductivity in Dense QCD

D. K. Hong, V. A. Miransky, I. A. Shovkovy +1

The problem of color superconductivity in dense QCD is reconsidered in the improved rainbow approximation to the Schwinger-Dyson equation. The effect of the unscreened magnetic mod…

hep-ph1999★ 9.3k cited

A Large Mass Hierarchy from a Small Extra Dimension

Lisa Randall, Raman Sundrum

We propose a new higher-dimensional mechanism for solving the Hierarchy Problem. The Weak scale is generated from a large scale of order the Planck scale through an exponential hie…

hep-ph1999★ 115 cited

Aspects of high density effective theory in QCD

Deog Ki Hong

We study an effective theory of QCD at high density in detail, including the finite temperature effects and the leading order correction in expansion. We investigate the Coop…

hep-ph1999★ 48 cited

Technihadron Production and Decay in Low-Scale Technicolor

Kenneth Lane

We discuss the production and decay rates of the lightest color-singlet technihadrons, spin-one rho_T and omega_T and spin-zero pi_T, in a minimal ``straw-man'' model of low-scale…

hep-ph1999★ 6 cited

Technihadron Production and Decay Rates in the Technicolor Straw Man Model

Kenneth Lane

We present hadron collider production rates for the lightest color-singlet technihadrons in a simple ``straw-man'' model of low-scale technicolor. These rates are presented in a wa…

hep-ph1999★ 37 cited

The Semiclassical Description of Tunneling in Scattering with Multiple Degrees of Freedom

G. F. Bonini, A. G. Cohen, C. Rebbi +1

We describe a computational investigation of tunneling at finite energy in a weakly coupled quantum mechanical system with two degrees of freedom. We compare a full quantum mechani…