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CP Violation for Leptons at Higher Energy Scales
Cheng-Wei Chiang
The phase convention independent measure of CP violation for three generations of leptons is evaluated at different energy scales. Unlike in the quark sector, this quantity does no…
The sign of the day-night asymmetry for solar neutrinos
Cheng-Wei Chiang, Lincoln Wolfenstein
A qualitative understanding of the day-night asymmetry for solar neutrinos is provided. The greater night flux in nu_e is seen to be a consequence of the fact that the matter effec…
Bounds on Heavy-to-Heavy Weak Decay Form Factors
Cheng-Wei Chiang
We provide upper and lower bounds on the semileptonic weak decay form factors for and decays by utilizing inclusive heavy quark effective theory sum rul…
K_{L,S} \to ππν\barν Decays Within and Beyond the Standard Model
Cheng-Wei Chiang, Frederick J. Gilman
The decays K_{L,S} -> π^o π^o ν\barν and K_{L,S} -> π^+ π^- ν\barν involve the weak transition from a strange to a non-strange quark. Although they have considerably smaller branch…
Using the value of beta to help determine gamma from B decays
Cheng-Wei Chiang, Lincoln Wolfenstein
It has been pointed out by Gronau and Rosner that the angle gamma of the unitarity triangle could be determined by combining future results on B_s and B_d decays to K pi. Here we s…
Angular Distribution of Charming B -> V V Decays and Time Evolution Effects
Cheng-Wei Chiang
Angular distributions of a B meson decaying into two vector mesons are discussed with emphasis on time evolution effects on the complete set of amplitude bilinears. Time integrated…