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Possible interpretations of D-sJ(+)(2632) if it really exists
Dai, YB; Liu, C; Dai, YB , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2004
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1126-6708
期号11页码:-
摘要We analyze various possible interpretations of the narrow state D-sJ(+)(2632) observed by SELEX Collaboration recently, which ties above threshold and has abnormal decay pattern. These interpretations include: (1) several versions of tetraquarks; (2) conventional c (s) over bar meson such as the first radial excitation of D-s(2112) with abnormally large SU(3) symmetry breaking; (3) conventional c (s) over bar meson with abnormally large eta(1) coupling; (4) heavy hybrid meson. We discuss the physical implications of each interpretation. For example, if the existence of D-sJ(+)(2632) is confirmed as the first radial excitation of D-s(2112) by other experiments, it will be helpful to took for (1) its SU(3) flavor partners D-J(0,+)(2530); (2) its B-meson analogues B-J(0,+)(5840) B-sJ(+)(5940); (3) S-wave two pion decay modes. We also discuss possible reasons of negative results in search of D-sJ(+)(2632) by other experiments.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Peking Univ, Dept Phys, Beijing 100871, Peoples R China
关键词Mesons Selex
学科领域Physics
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收录类别SCI
WOS记录号WOS:000226576700043
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13974
专题理论物理所1978-2010年知识产出
通讯作者Dai, YB , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Dai, YB,Liu, C,Dai, YB , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Possible interpretations of D-sJ(+)(2632) if it really exists[J]. JOURNAL OF HIGH ENERGY PHYSICS,2004(11):-.
APA Dai, YB,Liu, C,&Dai, YB , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).Possible interpretations of D-sJ(+)(2632) if it really exists.JOURNAL OF HIGH ENERGY PHYSICS(11),-.
MLA Dai, YB,et al."Possible interpretations of D-sJ(+)(2632) if it really exists".JOURNAL OF HIGH ENERGY PHYSICS .11(2004):-.
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