130 citations · 964 across the 49 of their papers we have counts for
5 papers · 2 filters
Radiatively Induced Neutrino Majorana Masses and Oscillation
Darwin Chang, A. Zee
We review and remark on models of radiatively induced neutrino Majorana masses and oscillations. It is pointed out that while the models are capable of accounting for the observed…
Pseudo-Dirac Neutrinos
Darwin Chang, Otto C. W. Kong
We propose a scheme in which a pseudo-Dirac structure for three family of light neutrinos is generated naturally. An extended Higgs sector with a majoron is used for the generation…
Additional two-loop contributions to electric dipole moments in supersymmetric theories
Darwin Chang, We-Fu Chang, Wai-Yee Keung
We calculate the two-loop contributions to the electric dipole moments of the electron and the neutron mediated by charged Higgs in a generic supersymmetric theories. The new contr…
Fitting Precision Electroweak Data with Exotic Heavy Quarks
Darwin Chang, We-Fu Chang, Ernest Ma
The 1999 precision electroweak data from LEP and SLC persist in showing some slight discrepancies from the assumed standard model, mostly regarding and quarks. We show how…
Ruling out the Weinberg Model of Spontaneous CP Violation
Darwin Chang, Xiao-Gang He, Bruce H. J. McKellar
There have been many declarations of the death of the Weinberg model of spontaneous CP violation. Previous studies, before the recent measurements of , indicated that the mod…