@article { author = {MEHRBAN, H. and SAYAHI, M.}, title = {QCD FACTORIZATION IN HADRONIC B  J/ ( ,K) DECAYS*}, journal = {Iranian Journal of Science}, volume = {34}, number = {4}, pages = {285-303}, year = {2010}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2010.2179}, abstract = {Using QCD factorization for the hadronic matrix elements, we show that existing data, inparticular the branching ratios BR ( B →J/ψK) and BR ( B →J/ψπ), can be accounted for in this approach.We analyze the decay B J /K( ) within the framework of QCD factorization. The calculation of therelevant hard-scattering kernels for twist-2 and twist-3 is completed. We calculate this decay in a special scale(  mb ) and in two schemes for Wilson coefficients in NLO. We consider three functions for J / . Thetwist-3 contribution involves the logarithmically divergent integral, we consider  H  0 the cancelingdivergent. The obtained results are in agreement with available experimental data.}, keywords = {B Meson,hard scattering,QCD factorization,2 and 3-twist}, url = {https://ijsts.shirazu.ac.ir/article_2179.html}, eprint = {https://ijsts.shirazu.ac.ir/article_2179_382ae7c78eb8fff892e5ab88b10b2907.pdf} }