2 papers
hep-ph2021
Tetraquark state and the interaction between diquark and antidiquark
Hong-Wei Ke, Xin Han, Xiao-Hai Liu +1
Recently LHCb declared a new structure in the final state di- which is popularly regarded as a - tetraquark state. %popularly. Within the Bethe-Sal…
hep-ph2018
Lifetimes of Doubly Charmed Baryons
Hai-Yang Cheng, Yan-Liang Shi
The lifetimes of doubly charmed hadrons are analyzed within the framework of the heavy quark expansion (HQE). Lifetime differences arise from spectator effects such as -exchange…