RECENT RESULTS FROM VES EXPERIMENT

被引:2
|
作者
Nikolaenko, V. [1 ]
Ekimov, A. [1 ]
Kachaev, I. [1 ]
Karyukhin, A. [1 ]
Konstantinov, V. [1 ]
Ivashin, V. [1 ]
Makouski, M. [1 ]
Matveev, V. [1 ]
Myagkov, A. [1 ]
Polyakov, B. [1 ]
Ryabchikov, D. [1 ]
Shalanda, N. [1 ]
Soldatov, M. [1 ]
Solodkov, A. A. [1 ]
Solodkov, A. V. [1 ]
Solovianov, O. [1 ]
Sugonyaev, V. [1 ]
Salomatin, Yu. [1 ]
Volkov, E. [1 ]
机构
[1] IHEP, Protvino 142281, Moscow Region, Russia
来源
关键词
Light mesons; scalar mesons; OZI rule; isospin violation;
D O I
10.1142/S0217751X11051913
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The charge-exchange reaction pi p -> w(780)phi(1020)n is studied with the VES setup. The (w phi) system is observed at relatively low background. Its invariant mass distribution peaks near threshold. The two-particles partial wave analyses shows that the J(PC) = 0(++) state dominates. Comparison with scalar wave in ww system at the comparable mass gives evidence for violation of the OZI rule. Another subject is a search for possible transition f(0)(980) -> a(0)(980), which violates the isospin symmetry.
引用
收藏
页码:511 / 516
页数:6
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