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33 papers · 1 filter
Heavy Fermion Screening Effects and Gauge Invariance
Yi Liao, Yu-Ping Kuang, Chong-Sheng Li
We show that the naively expected large virtual heavy fermion effects in low energy processes may be screened if the process under consideration contains external gauge bosons cons…
Classical and Quantum Chaotic Behaviors of Two Colliding Harmonic Oscillators
Qing-Rong Zheng, Gang Su, De-Hai Zhang
We have systematically studied both classical and quantum chaotic behaviors of two colliding harmonic oscillators. The classical case falls in Kolmogorov-Arnold-Moser class. It is…
Spin-dependent structure functions and for inclusive spin-half baryon production in electron-positron annihilation
Wei Lu, Xue Qian Li, Haiming Hu
Two spin-dependent structure functions and for the inclusive spin-half baryon production in electron-positron annihilation are studied in the context of QCD f…
Electroweak Penguin Contributions in and decays Beyond Leading Logarithms
Dongsheng Du, Libo Guo
Using the next-to-leading order low energy effective Hamiltonian for , transitions, the contributions of electroweak penguin operators in $ B^-(\overline {B_d^0})…
CP-Violation For Including Long-Distance Effects
Dong-Sheng Du, Mao-Zhi Yang
We consider the CP violating effect for process, including both short and long distance effects. We obtain the CP asymmetry parameter and present its variation ove…
Properties of Strangelets at Finite Temperature in Liquid Drop Model
Y. B. He, C. S. Gao, X. Q. Li +1
A comprehensive study of the properties of strangelets at zero and finite temperature is presented within the framework of liquid drop model, including the essential finite size ef…