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Heavy quarkonium pi(+)pi(-) transitions and a possible b(b)over-barq(q)over-bar state
Guo FK(郭奉坤); Shen PN(沈彭年); Jiang HQ(姜焕清); Ping RG(平荣刚); Guo, FK; Shen, PN; Jiang, HQ; Ping, RG
2005
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷号20期号:8-9页码:1893-1896
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; CCAST, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China ; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China ; Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
文章类型Article; Proceedings Paper
摘要π(+)π(-) transitions of heavy quarkonia, especially the &UUpsilon;(3S) → &UUpsilon;(1S)π(+)π(-) decay process axe studied. An effective Lagrangian is employed and the S wave ππ final state interaction (FSI) is included in the framework of the Chiral Unitary Theory (ChUT). It is found that when an additional intermediate state with J(P) = 1(+) and I = 1 is introduced, the experimental data can be well-explained, and a consistent description of bottomonium π(+)π(-) transitions can be obtained. As a consequence, the mass and the width of the intermediate state are predicted. From the quark content analysis, this state should be a bbqq state.
关键词heavy quarkonium pi(+)pi(-) transitions FSI b(b)over-barq(q)over-bar state
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1142/S0217751X05023578
URL查看原文
语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000229085600064
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239566
专题理论物理室
实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Guo FK,Shen PN,Jiang HQ,et al. Heavy quarkonium pi(+)pi(-) transitions and a possible b(b)over-barq(q)over-bar state[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2005,20(8-9):1893-1896.
APA 郭奉坤.,沈彭年.,姜焕清.,平荣刚.,Guo, FK.,...&Ping, RG.(2005).Heavy quarkonium pi(+)pi(-) transitions and a possible b(b)over-barq(q)over-bar state.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,20(8-9),1893-1896.
MLA 郭奉坤,et al."Heavy quarkonium pi(+)pi(-) transitions and a possible b(b)over-barq(q)over-bar state".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 20.8-9(2005):1893-1896.
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