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A DYNAMIC MECHANISM FOR THE HAIRPIN DIAGRAM
CHANG, CH; GUO, XH; LI, XQ; CHANG, CH , CHINESE ACAD SCI,CTR THEORET PHYS,INST THEORET PHYS,CCAST WORLD LAB,POB 2735,BEIJING,PEOPLES R CHINA.
1990
发表期刊NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS
ISSN0369-3546
卷号103期号:12页码:1717-1728
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%.
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
关键词Non-leptonic Decays Resonance Physics 6-quark Model Constituent Gluons Weak-interactions Quarks Qcd Rule
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11356
专题理论物理所SCI论文
通讯作者CHANG, CH , CHINESE ACAD SCI,CTR THEORET PHYS,INST THEORET PHYS,CCAST WORLD LAB,POB 2735,BEIJING,PEOPLES R CHINA.
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CHANG, CH,GUO, XH,LI, XQ,et al. 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.
APA CHANG, CH,GUO, XH,LI, XQ,&CHANG, CH , CHINESE ACAD SCI,CTR THEORET PHYS,INST THEORET PHYS,CCAST WORLD LAB,POB 2735,BEIJING,PEOPLES R CHINA..(1990).A DYNAMIC MECHANISM FOR THE HAIRPIN DIAGRAM.NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS,103(12),1717-1728.
MLA CHANG, CH,et al."A DYNAMIC MECHANISM FOR THE HAIRPIN DIAGRAM".NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS 103.12(1990):1717-1728.
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