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题名: rho-decay widths of excited heavy mesons from light-cone QCD sum rules in the leading order of HQET
作者: Zhu, SL ;  Dai, YB
刊名: PHYSICAL REVIEW D
出版日期: 1998
卷号: 58, 期号:9, 页码:-
学科分类: Physics
通讯作者: Zhu, SL , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: The couplings and decay widths of the processes (1(+),2(+))-->(0(-),1(-))+rho are studied with the light-cone QCD sum rules in the leading order of heavy quark effective theory. These processes are employed to estimate the two pion transition widths of the (1(+),2(+)) doublet through the low mass tail of the rho resonance. The ambiguity due to the presence of two distinct 1(+) states is solved. Our calculation shows that the two pion decay widths of the (1(+),2(+)) doublets are much smaller than the single pion decay widths. However, the B-1,B-2* mesons should also have significant two pion decay widths around 1.5 MeV. [S0556-2821(98)07621-8].
收录类别: SCI
WOS记录号: WOS:000076735900062
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12238
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhu, SL,Dai, YB. rho-decay widths of excited heavy mesons from light-cone QCD sum rules in the leading order of HQET[J]. PHYSICAL REVIEW D,1998,58(9):-.
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