5 papers
Complete Next-to-Next-to-Leading-Order QCD Correction to Decay
Chao Zeng, Bin Gong, Jian-Xiong Wang +3
We address the long-standing problem of negative decay and production rates in perturbative QCD for exclusive processes by proposing amplitude-level NRQCD factorization as a system…
Semi-analytical results for up to at B factories
Cong Li, Hao-Yang Liu, Xu-Dong Huang +1
Within the NRQCD factorization framework, we investigate the color-singlet contribution to at B factories, computing the $\mathcal{O}(α_…
Semi-analytical two-loop QCD corrections to at B factories
Hao-Yang Liu, Cong Li, Wen-Long Sang
In this work, we compute the next-to-next-to-leading-order (NNLO) QCD corrections to the process at B factories within the NRQCD factorization framework. T…
Two loop QCD corrections to in asymptotic expansion
Cong Li, Xu-Dong Huang, Wen-Long Sang
Within the framework of NRQCD, the short-distance coefficients (SDCs) for the process have been obtained up to NNLO in asymptotic expansions over $r={16m_c^2}…
The next-to-next-to-leading-order QCD corrections to at B factories
Cong Li, Wen-Long Sang, Hong-Fei Zhang
We investigate the processes and at B factories within the NRQCD factorization framework, computing the corresponding helicity amplitudes…