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STUDY ON THE HADRONIC STRUCTURE OF CHARMED BARYONS FROM E(+)E(-)-]LAMBDA(C)LAMBDA(C)OVER-BAR AND SIGMA(C)SIGMA(C)OVER-BAR
GUO, XH; LI, XQ; GUO, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
1994
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号22期号:3页码:337-344
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.
部门归属CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
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
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1978-2010年知识产出
通讯作者GUO, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
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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[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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