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Showing 2002 · hep-phShow all
3 papers · 2 filters
hep-ph2002
Parameter Space Investigations of Free Fermionic Heterotic Models
Gerald Cleaver
I survey the parameter space of NAHE-based free fermionic heterotic string models. First, I discuss flat directions of the low energy effective field theories and show that D-flat…
hep-ph2002★ 19 cited
On the Possibility of Optical Unification in Heterotic Strings
Gerald Cleaver, Virendra Desai, Heather Hanson +3
Recently J. Giedt discussed a mechanism, entitled optical unification, whereby string scale unification is facilitated via exotic matter with intermediate scale mass. This mechanis…
hep-ph2002
Strange-quark Current in the Nucleon from Lattice QCD
R. Lewis, W. Wilcox, R. M. Woloshyn
The contribution of the strange-quark current to the electromagnetic form factors of the nucleon is studied using lattice QCD. The strange current matrix elements from our lattice…