SU(3) SYMMETRY-BREAKING EFFECTS IN GAMMA-GAMMA-]2 MESONS PROCESSES

被引：48
|
作者：
BENAYOUN, M
CHERNYAK, VL
机构：
[1] Laboratoire de Physique Corpusculaire, Collège de France/ IN2P3, Paris
来源：
NUCLEAR PHYSICS B | 1990年 / 329卷 / 02期
关键词：
D O I：
10.1016/0550-3213(90)90143-2
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：
The hard scattering processes γγ → PP, VV and PV (P and V denoting any member of respectively the pseudoscalar and vector nonets) are calculated in view of investigating in detail the consequences of SU(3) symmetry breaking effects. Our results greatly differ from those derived earlier. Comparison is done with the available experimental data on γγ → π+π- and γγ → K+K- cross sections. Some other predictions are also given. © 1990.
引用
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页码：285 / 309
页数：25
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