ITP OpenIR  > SCI期刊论文
Bell, G; Beneke, M; Huber, T; Li, XQ; Li, XQ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Henan, Peoples R China.
Heavy-to-light currents at NNLO in SCET and semi-inclusive (B)over-bar -> X(s)l(+)l(-) decay
Source PublicationNUCLEAR PHYSICS B
Language英语
KeywordCollinear Effective Theory Meson Form-factors b Decays Vertex Corrections Qcd Factorization Standard Model Photon Energy 2-loop Result Large Recoil Quark
AbstractWe perform the two-loop matching calculation for heavy-to-light currents from QCD onto soft-collinear effective theory for the complete set of Dirac structures. The newly obtained matching coefficients enter several phenomenological applications, of which we discuss heavy-to-light form factor ratios and exclusive radiative decays. as well as the semi-inclusive decay (B) over bar -> X(s)l(+)l(-). For this decay, we observe a significant shift of the forward-backward asymmetry zero and find q(0)(2) = (3.34(-0.25)(+0.22)) GeV2 for an invariant mass cut, m(X)(cut) = 2.0 GeV. (C) 2010 Elsevier B.V. All rights reserved.
2011
ISSN0550-3213
Volume843Issue:1Pages:143-176
Subject AreaPhysics
Indexed BySCI
Funding OrganizationDFG [Sonderforschungsbereich/Transregio 9]; Helmholtz alliance "Physics at the Terascale"; Alexander-von-Humboldt Stiftung; National Natural Science Foundation [11005032] ; DFG [Sonderforschungsbereich/Transregio 9]; Helmholtz alliance "Physics at the Terascale"; Alexander-von-Humboldt Stiftung; National Natural Science Foundation [11005032] ; DFG [Sonderforschungsbereich/Transregio 9]; Helmholtz alliance "Physics at the Terascale"; Alexander-von-Humboldt Stiftung; National Natural Science Foundation [11005032] ; DFG [Sonderforschungsbereich/Transregio 9]; Helmholtz alliance "Physics at the Terascale"; Alexander-von-Humboldt Stiftung; National Natural Science Foundation [11005032]
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14423
CollectionSCI期刊论文
Corresponding AuthorLi, XQ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Henan, Peoples R China.
Recommended Citation
GB/T 7714
Bell, G,Beneke, M,Huber, T,et al. Heavy-to-light currents at NNLO in SCET and semi-inclusive (B)over-bar -> X(s)l(+)l(-) decay[J]. NUCLEAR PHYSICS B,2011,843(1):143-176.
APA Bell, G,Beneke, M,Huber, T,Li, XQ,&Li, XQ .(2011).Heavy-to-light currents at NNLO in SCET and semi-inclusive (B)over-bar -> X(s)l(+)l(-) decay.NUCLEAR PHYSICS B,843(1),143-176.
MLA Bell, G,et al."Heavy-to-light currents at NNLO in SCET and semi-inclusive (B)over-bar -> X(s)l(+)l(-) decay".NUCLEAR PHYSICS B 843.1(2011):143-176.
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