C. V. Chang

activity

19962021

most citedThree-Scale Factorization Theorem and Effective Field Theory

134 citations · 325 across the 11 of their papers we have counts for

collaborators

Showing 1996Show all

2 papers · 1 filter

hep-ph1996★ 134 cited

Three-Scale Factorization Theorem and Effective Field Theory

Chia-Hung V. Chang, Hsiang-nan Li

We develop a perturbative QCD factorization theorem which is compatible with effective field theory. The factorization involves three scales: an infrared cutoff of order $Λ_{\rm QC…

hep-ph1996★ 10 cited

Solutions to the R_b, R_c and alpha_s puzzles by Vector Fermions

Chia-Hung V. Chang, Darwin Chang, Wai-Yee Keung

We propose two minimal extensions of Standard Model, both of which can easily accommodate the recent puzzling observations about the excess in $R_{b}$ , the deficit in $R_{c}$ and the d…