Speaker
Jia-Yue Zhang
(高能所)
Description
Exclusive double charmonium production at electron-positron collider is among the simplest hard exclusive reactions in perturbative QCD. The double charmonium production is first observed at two B factories at the beginning of this century and has stimulated long-lasting theoretical interests. The nonrelativistic QCD (NRQCD) factorization approach, a modern effective-field-theory-based approach that explicitly exploits the nonrelativistic nature of heavy quarkonium, provides a powerful and systematic tool kit to tackle double charmonium production processes. In this talk, I will introduce the framework and discuss the NNLO predictions.
Primary authors
Feng Feng
(China University of Mining and Technology (Beijing))
Yu Jia
(IHEP)
Zhewen Mo
(高能所)
Wen-Long Sang
(SouthWest University)
Jia-Yue Zhang
(高能所)
