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13 papers · 2 filters
Subleading Corrections to Semileptonic Lambda_c Decays
Guey-Lin Lin, Thomas Mannel
The semileptonic decay is considered in the framework of heavy quark effective theory beyond the leading order in the expansion. According to our estimate…
Exact Calculation of , \
K. Adel, York-Peng Yao
We present an exact calculation of the Wilson coefficients associated with the dipole moment operators. We also give an estimate of the branching ratio for …
Corrections to Chiral Dynamics of Heavy Hadrons: (I) 1/M Correction
H. Y. Cheng, C. Y. Cheung, G. L. Lin +3
In earlier publications we have analyzed the strong and radiative decays of heavy hadrons in a formalism which incorporates both heavy-quark and chiral symmetries. In particular, w…
Radiative Kaon Decays and Direct CP Violation
Hai-Yang Cheng
It is stressed that a measurement of the electric dipole amplitude for direct photon emission in $\kpm$ decays through its interference with inner bremsstrahlung is important for d…
Analysis of Weak-Interaction Effects in High Energy Hadron-Hadron Collisions
Hai-Yang Cheng, M. Huang, C. F. Wai
Parity-violating (pv) effects in inclusive hadron and jet productions in high energy hadron-hadron collisions are analyzed. Such effects arise from the interference between strong…
Cosmological Bound on the Decay
Kin-Wang Ng
Using the upper bound on the effective number of light neutrino species during primordial nucleosynthesis and the cosmological pion-pole mechanism …