Constituent counting rule and the production of d~*(2380) at high energies  

作　　者：Yubing Dong Pengnian Shen 董宇兵;沈彭年(Institute of High Energy Physics, Chinese Academy of Sciences;Theoretical Physics Center for Science Facilities (TPCSF), CAS;School of Physical Sciences, University of Chinese Academy of Sciences;College of Physics and Technology, Guangxi Normal University)

机构地区：[1]Institute of High Energy Physics, Chinese Academy of Sciences [2]Theoretical Physics Center for Science Facilities (TPCSF), CAS [3]School of Physical Sciences, University of Chinese Academy of Sciences [4]College of Physics and Technology, Guangxi Normal University

出　　处：《Chinese Physics C》2019年第5期41-46,共6页中国物理C（英文版）

基　　金：Supported by the National Natural Sciences Foundations of China(11475192,11475181,11521505,11565007,11635009);the Sino-German CRC 110 "Symmetries and the Emergence of Structure in QCD" project by NSFC(11621131001);the Key Research Program of Frontier Sciences,CAS,(Y7292610K1);the IHEP Innovation Fund(Y4545190Y2)

摘　　要：The constituent counting rule, determining the scaling behavior of the transition amplitudes in an exclusive process at high energies, is applied to probe the internal structure of the newly observed d*(2380) resonance. Several selected exclusive processes at high energies for the production of d* are discussed. Results of two structural scenarios for d*(2380), a hexaquark dominant compact system in the quark degrees of freedom, and a threebody bound state in the hadronic degrees of freedom, are analyzed and compared. A rather remarkable difference between the results of these two scenarios for the mentioned processes are addressed.The constituent counting rule, determining the scaling behavior of the transition amplitudes in an exclusive process at high energies, is applied to probe the internal structure of the newly observed d*(2380) resonance. Several selected exclusive processes at high energies for the production of d* are discussed. Results of two structural scenarios for d*(2380), a hexaquark dominant compact system in the quark degrees of freedom, and a threebody bound state in the hadronic degrees of freedom, are analyzed and compared. A rather remarkable difference between the results of these two scenarios for the mentioned processes are addressed.

关 键 词：CONSTITUENT chiral QUARK model d^*(2380) CONSTITUENT COUNTING RULE EXCLUSIVE process 

分 类 号：O4[理学—物理]