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6 papers · 2 filters
Non-Spectator Contributions to Inclusive Charmless Decays
Wu-Sheng Dai, Xiao-Gang He, Xue-Qian Li +1
The light quarks inside mesons are usually treated as spectators and do not affect the decay rates which are assumed to be purely due to b quark decays. In this paper we calcul…
Possible Effects of Quantum Mechanics Violation Induced by Certain Quantum Gravity on Neutrino Oscillations
Chao-Hsi CHANG, Wu-Sheng DAI, Xue-Qian LI +3
In this work we tried extensively to apply the EHNS postulation about the quantum mechanics violation effects induced by the quantum gravity of black holes to neutrino oscillations…
Variational Estimation of the Wave Function at Origin for Heavy Quarkonium
Yi-Bing Ding, Xue-Qian Li, Peng-Nian Shen
The wave function at the origin (WFO) is an important quantity in studying many physical problems concerning heavy quarkonia. However, when one used the variational method with few…
Weak Semileptonic Decays of Heavy Baryons Containing Two Heavy Quarks
Xin-Heng Guo, Hong-Ying Jin, Xue-Qian Li
In the heavy quark limit a heavy baryon which contains two heavy quarks is believed to be composed of a heavy diquark and a light quark. Based on this picture, we evaluate the weak…
Possible Explanation Why τ_{B^{\pm}}\simτ_{B^0} But τ_{D^{\pm}}\sim τ_{D^0}
Hui-Shi Dong, Xin-Heng Guo, Xue-Qian Li +1
Data show that τ_{B^{\pm}}\simτ_{B^0}, but τ_{D^{\pm}}\sim 2τ_{D^0}. The naive interpretation which attributes τ_{D^{\pm}}\sim 2τ_{D^0} to a destructive interference between two qu…
Finite coherent length and multi-pion correlation effects on two-pion interferometry
Q. H. Zhang, X. Q. Li, C. S. Gao +1
The effects of multi-pion correlations and finite coherent length on two-pion interferometry are studied. It was shown that as the pion multiplicity and coherent length become larg…