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10 papers · 1 filter
Transition Form Factors in the PQCD approach
Run-Hui Li, Cai-Dian Lü, Wei Wang +1
Under two different scenarios for the light scalar mesons, we investigate the transition form factors of mesons decay into a scalar meson in the perturbative QCD approach.…
A note on 3-colorable plane graphs without 5- and 7-cycles
Baogang Xu
Borodin et al figured out a gap of the paper published at J. Combinatorial Theory Ser. B (Vol.96 (2006) 958--963), and gave a new proof with the similar technique. The purpose of t…
Cross-Layer Adaptive Feedback Scheduling of Wireless Control Systems
Feng Xia, Longhua Ma, Chen Peng +2
There is a trend towards using wireless technologies in networked control systems. However, the adverse properties of the radio channels make it difficult to design and implement c…
NLO contributions to Decays in the pQCD approach
Zhi-Qing Zhang, Zhen-Jun Xiao
We calculate the important next-to-leading-order (NLO) contributions to the decays from the vertex corrections, the quark loops, and the magnetic penguins in the pert…
Branching ratios and CP asymmetries of decays in the pQCD approach
Zhen-Jun Xiao, Zhi-Qing Zhang, Xin Liu +1
We calculate the branching ratios and CP violating asymmetries of the four $B \to K \etap$ decays in the perturbative QCD (pQCD) factorization approach. Besides the full leading or…
Gauge Invariance and k_T-Factorization of Exclusive Processes
F. Feng, J. P. Ma, Q. Wang
In the -factorization for exclusive processes, the nontrivial -dependence of perturbative coefficients, or hard parts, is obtained by taking off-shell partons. This bring…