FINAL-STATE-INTERACTION AND SU(3)-BREAKING EFFECTS IN D(0)-]PI-PI-BAR,KKBAR

被引：33

作者：

CHAU, LL ^{[1
]}

CHENG, HY ^{[1
]}

机构：

[1] ACAD SINICA,INST PHYS,TAIPEI 11529,TAIWAN

来源：

PHYSICS LETTERS B | 1992年 / 280卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(92)90067-E

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Based on the quark-diagram scheme and the recent measurement of D0 --> pi-0-pi-0, we analyze the decays D0 --> pi+-pi-, pi-0-pi-0, K+K-, and K0K0BAR. To fit the data, we find that there must be both final-state-interaction and SU (3)-breaking effects: of the former, non-zero zero elastic phase shifts in both pi-pi-BAR and KKBAR are determined and no inelasticity in phase shifts is required; the SU(3) breaking effects are at the maximal level of 30% and of particular interest are those in the spectator W-emission and the non-spectator W-exchange diagrams.

引用

页码：281 / 286

页数：6

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