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题名: STUDY ON THE HADRONIC STRUCTURE OF CHARMED BARYONS FROM E(+)E(-)-]LAMBDA(C)LAMBDA(C)OVER-BAR AND SIGMA(C)SIGMA(C)OVER-BAR
作者: GUO, XH ;  LI, XQ
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 1994
卷号: 22, 期号:3, 页码:337-344
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
学科分类: Physics
通讯作者: GUO, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
部门归属: CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
英文摘要: 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.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11839
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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GUO, XH,LI, XQ. 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.
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文件名: STUDY ON THE HADRONIC STRUCTURE OF CHARMED BARYONS FROM E(+)E(-)-]LAMBDA(C)LAMBDA(C)OVER-BAR AND SIGMA(C)SIGMA(C)OVER-BAR.pdf
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