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题名: A DYNAMIC MECHANISM FOR THE HAIRPIN DIAGRAM
作者: CHANG, CH ;  GUO, XH ;  LI, XQ
刊名: NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS
出版日期: 1990
卷号: 103, 期号:12, 页码:1717-1728
关键词: NON-LEPTONIC DECAYS ;  RESONANCE PHYSICS ;  6-QUARK MODEL ;  CONSTITUENT GLUONS ;  WEAK-INTERACTIONS ;  QUARKS ;  QCD ;  RULE
学科分类: Physics
通讯作者: CHANG, CH , CHINESE ACAD SCI,CTR THEORET PHYS,INST THEORET PHYS,CCAST WORLD LAB,POB 2735,BEIJING,PEOPLES R CHINA.
部门归属: INT CTR THEORET PHYS,I-34100 TRIESTE,ITALY; INST HIGH ENERGY PHYS,BEIJING,PEOPLES R CHINA; NANKAI UNIV,NANKAI INST MATH,DIV THEORET PHYS,TIANJIN,PEOPLES R CHINA
英文摘要: Based on the nonvalence quark-antiquark and gluon constituent structure of mesons we give a reasonable dynamical mechanism which can induce the hairpin diagram without violating the well-observed OZI rule. We calculate the hairpin amplitudes of D(o)-->KBAR(o)eta and KBAR(o)eta' normalized D(o)-->KBAR(o)pi(o) and have found that the hairpin diagram can give rise to substantial contributions to the decays where a meson with a SU(3) flavor singlet component is involved in the final state. In this scenario, we also obtain the branching ratio of D(o)-->KBAR(o)phi as 0.55% in comparison with the experimental data of 0.83%.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11356
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
CHANG, CH,GUO, XH,LI, XQ. A DYNAMIC MECHANISM FOR THE HAIRPIN DIAGRAM[J]. NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS,1990,103(12):1717-1728.
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