Decay widths of B-1 and B-2(*) up to the order O(l/m(Q)) in HQET

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	Dai, YB; Zhu, SL; Dai, YB , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
	*Decay widths of B-1 and B-2() up to the order O(l/m(Q)) in HQET**
Source Publication	PHYSICAL REVIEW D
Keyword	Qcd Sum-rules Quark Effective Theory Excited Heavy Mesons Pion Wave-function Chiral Perturbation-theory Effective Field-theory Resonance Physics Form-factors Symmetry Masses
Abstract	We first improve the previous results on the masses of the doublets (0(+),1(+)) and ( 1(+),2(+)) with QCD sum rules up to the order of O(1/m(Q)) in HQET. With the mass matrix of the two 1 (+) slates, we obtain the mixing angle for the two states and construct the interpolating currents which couple to only one of the two eigenstates up to the order O(1/m(Q)). Using these results we derive the light-cone sum rules for the amplitudes of the pionic decay of B-1 and B-2* up to the order O(1/m(Q)) in HQET. The O(1/m(Q)) terms in these amplitudes are found to be small. When applied to D-1 and D-2* the theoretical results are in good agreement with experimental data though the theoretical uncertainty is sizable for the D system. [S0556-2821(98)02319-3]
	1998
ISSN	0556-2821
Volume	58 Issue:7 Pages:-
Subject Area	Physics
Indexed By	SCI
Citation statistics	Cited Times:33[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.itp.ac.cn/handle/311006/12253
Collection	理论物理所科研产出_SCI论文
Corresponding Author	Dai, YB , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation GB/T 7714	Dai, YB,Zhu, SL,Dai, YB , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Decay widths of B-1 and B-2(*) up to the order O(l/m(Q)) in HQET[J]. PHYSICAL REVIEW D,1998,58(7):-.
APA	Dai, YB,Zhu, SL,&Dai, YB , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(1998).Decay widths of B-1 and B-2(*) up to the order O(l/m(Q)) in HQET.PHYSICAL REVIEW D,58(7),-.
MLA	Dai, YB,et al."Decay widths of B-1 and B-2(*) up to the order O(l/m(Q)) in HQET".PHYSICAL REVIEW D 58.7(1998):-.

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