A CANDIDATE FOR A 4-QUARK VECTOR-MESON

被引:17
作者
DONNACHIE, A
KALASHNIKOVA, YS
CLEGG, AB
机构
[1] ITEP,MOSCOW 117259,RUSSIA
[2] UNIV LANCASTER,SCH PHYS & MAT,LANCASTER LA1 4YB,ENGLAND
来源
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1993年 / 60卷 / 01期
关键词
D O I
10.1007/BF01650446
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
Previous claims for the existence of vector mesons with masses in the vicinity of 1100 MeV and 1300 MeV are reconsidered in the light of recent developments in the analysis and interpretation of e+e- annihilation and diffractive photoproduction data. It is shown that these states are compatible with present evidence and can be incorporated in an extended mixing scheme of conventional qqBAR with unconventional qqqqBAR states.
引用
收藏
页码:187 / 191
页数:5
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