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14 papers · 2 filters
CP Violation In Hyperon Decays Due To Left-Right Mixing
Darwin Chang, Xiao-Gang He, Sandip Pakvasa
We consider CP violation due to left-right mixing in a class of Left-Right symmetric models and show that it leads to observable effects in hyperon decays. For S-wave, the contribu…
Spontaneous Family Symmetry Breaking And Fermion Mixing
Zhijian Tao
We propose a theory to describe fermion mixing. The theory respects the maximal abelian family symmetries which are spontaneously broken down at a large scale. We find that quark m…
Vector Dominance Effects in Weak Radiative Decays of the B Mesons
Hai-Yang Cheng
The long distance vector-meson-dominance (VMD) effects on the weak radiative decays $\bb\toργ$ and $\bb^0\to D^{*0}γ$ are studied. For $\bb\toργ$ decays, the VMD contribution is $(…
Perturbative QCD Analysis of Meson Decays
Hsiang-nan Li, Hoi-Lai Yu
Resummation of large QCD radiative corrections, including leading and next-to-leading logarithms, in pion electromagnetic form factor is reviewed. Similar formalism is applied to e…
Extraction of from the Decay
Hsiang-nan Li, Hoi-Lai Yu
We develop the perturbative QCD formalism including Sudakov effects for semi-leptonic meson decays. We evaluate the differential decay rate of , and find that the pe…
Extraction of and from Decays
Hai-Yang Cheng, B. Tseng
Based on the factorization approach, we show that the CLEO data for the ratio and the CDF measurement of the fraction of longitudinal polarization in $B\to…