摘要
The doubly charmed baryon■cc++was recently observed by LHCb via the decay processes of■cc++→∧+cK^(-)π^(+)π^(+)and■c+π^(+).These discovery channels were successfully predicted in a framework in which the short-distance contributions are calculated under the factorization hypothesis and the long-distance contributions are estimated using the rescattering mechanism for the final-state-interaction effcts.In this paper,we illustrate the above framework in detail by systematic studies on the tw o-body baryonic decays Bcc→BcP involving the doubly charmed baryons Bcc=(■cc++,■cc++,Ωcc+),the singly charmed baryons Bc=(B3,B6)and the light pseudoscalar mesons P=(π,K,η1,8).
作者
Jia-Jie Han
Hua-Yu Jiang
Wei Liu
Zhen-Jun Xiao
Fu-Sheng Yu
韩佳杰;蒋华玉;刘薇;肖振军;于福升(School of Nuclear Science and Technology,Lanzhou University,Lanzhou 730000,China;Department of Physics and Institute of Theoretical Physics,Nanjing Normal University,Nanjing 210023,China;Theoretische Physik 1,Naturwissenschaftlich-Technische Fakultat,Universitat Siegen,57068 Siegen,Germany;Lanzhou Center for Theoretical Physics,Lanzhou University,Lanzhou 730000,China;Frontier Science Center for Rare Isotopes,Lanzhou University,Lanzhou 730000,China;Center for High Energy Physics,Peking University,Beijing 100871,China)
基金
the National Natural Science Foundation of China(11775117,U1732101,11975112)
National Key Research and Development Program of China(2020YFA0406400)。
