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GUO, XH; LI, XQ; GUO, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
STUDY ON THE HADRONIC STRUCTURE OF CHARMED BARYONS FROM E(+)E(-)-]LAMBDA(C)LAMBDA(C)OVER-BAR AND SIGMA(C)SIGMA(C)OVER-BAR
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
关键词Quark Effective Theory Pair-creation Model Weak Form-factors Bjorken Sum-rule B-meson Decays Resonance Physics Superflavor Symmetry Heavy Quarks Qcd
摘要By contrast to the traditional consideration about the structure of the heavy flavor baryons (cqq') where the two light quarks are combined as a (qq') system, we propose two other possible structures of (cqq') where in one case (cq) or (cq') constitutes a color triplet scalar or spin-1 system according to the group analysis and Clebsch-Gordon recombination; in the other case there are diquark structures (cq), (cq') and (qq') in (cqq'). Applying the superflavor symmetry, we calculate the cross sections sigma(e(+)e(-) --> Lambda(c) ($) over bar Lambda(c)), sigma (e(+)e(-) --> Sigma(c) ($) over bar Sigma(c)) and sigma(e(+)e(-) --> D ($) over bar D), as well as their relative ratios which can be measured in experiments with sufficient accuracy. A comparison of the results with that obtained in terms of the three possible structures is given. The distinction is observable and can be tested in sophisticated experiments.
1994
ISSN0253-6102
卷号22期号:3页码:337-344
学科领域Physics
收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11839
专题理论物理所科研产出_SCI论文
通讯作者GUO, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
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GB/T 7714
GUO, XH,LI, XQ,GUO, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.. STUDY ON THE HADRONIC STRUCTURE OF CHARMED BARYONS FROM E(+)E(-)-]LAMBDA(C)LAMBDA(C)OVER-BAR AND SIGMA(C)SIGMA(C)OVER-BAR[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1994,22(3):337-344.
APA GUO, XH,LI, XQ,&GUO, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA..(1994).STUDY ON THE HADRONIC STRUCTURE OF CHARMED BARYONS FROM E(+)E(-)-]LAMBDA(C)LAMBDA(C)OVER-BAR AND SIGMA(C)SIGMA(C)OVER-BAR.COMMUNICATIONS IN THEORETICAL PHYSICS,22(3),337-344.
MLA GUO, XH,et al."STUDY ON THE HADRONIC STRUCTURE OF CHARMED BARYONS FROM E(+)E(-)-]LAMBDA(C)LAMBDA(C)OVER-BAR AND SIGMA(C)SIGMA(C)OVER-BAR".COMMUNICATIONS IN THEORETICAL PHYSICS 22.3(1994):337-344.
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