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B meson light-cone distribution amplitudes and heavy-quark symmetry
Hiroyuki Kawamura, Jiro Kodaira, Cong-Feng Qiao +1
We present a systematic study of the B meson light-cone distribution amplitudes which are relevant for the QCD factorization approach for the exclusive B meson decays. We construct…
Transverse Momentum Distribution in the B Mesons in the Heavy-quark Limit: the Wandzura-Wilczek Part
Hiroyuki Kawamura, Jiro Kodaira, Cong-Feng Qiao +1
In the heavy-quark limit, the valence Fock-state components in the B mesons are described by a set of two light-cone wavefunctions. We show that these two wavefunctions obey simple…
The Status of Charmonium Production in Photon-Photon Collisions
Cong-Feng Qiao
The status of Charmonium production in photon-photon collisions is briefly reviewed. I would like to mention that although the preliminary data were obtained in experiment, the the…
B meson light-cone distribution amplitudes in the heavy-quark limit
Hiroyuki Kawamura, Jiro Kodaira, Cong-Feng Qiao +1
We investigate the B meson light-cone distribution amplitudes in the heavy-quark limit which are relevant for the QCD factorization approach for the exclusive B meson decays. We de…
Double J/ψProduction at Photon Colliders
Cong-Feng Qiao
The double J/ψ(DJ) production in direct photon-photon collision is investigated. It is found that the J/ψproduction rate in this process is of the same order of magnitude as those…