Valence and sea quark mixing in meson states  

作　　者：WangZi－Xing SongHong－Qiu 等 

机构地区：[1]ShanghaiInstituteofNuclearResearch,theChineseAcademyofSciences,Shanghai201800 [2]CCAST（WorldLaboratory）

出　　处：《Nuclear Science and Techniques》1997年第2期71-73,共3页核技术（英文）

摘　　要：ＶａｌｅｎｃｅａｎｄｓｅａｑｕａｒｋｍｉｘｉｎｇｉｎｍｅｓｏｎｓｔａｔｅｓＷａｎｇＺｉＸｉｎｇ，１ＳｏｎｇＨｏｎｇＱｉｕ，１，２ＨｏｕＲｅｎＣｈａｎｇ，１ＺｏｎｇＨｏｎｇＳｈｉ１ａｎｄＷａｎｇＦａｎ３（１ＳｈａｎｇｈａｉＩｎｓｔｉｔｕｔｅｏ...A meson model with q and (q) 2 mixing has been developed. The 0 - meson state has been studied within this model space. Considerable q and (q ) 2 mixing has been found. The first excited state is in the energy range ～1.5 GeV.This state may be relevant to the new discovered exotic meson states.

关 键 词：价夸克 海夸克 介子态 QCD 

分 类 号：O572.24[理学—粒子物理与原子核物理]