B̄ → D((*))π- beyond naive factorization in the heavy quark limit

Junegone Chay

doi:10.1016/S0370-2693(00)00151-9

B̄ → D((*))π^- beyond naive factorization in the heavy quark limit

Junegone Chay^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Nonleptonic decays B̄ → Dπ^- or B̄ → D*π^- are dominated by factorizable contributions. In the heavy quark limit, nonfactorizable contribution arises from strong radiative correction and power corrections in 1/m(b). I calculate the decay rates for B̄ → D(*)π^- at next-to-leading order in strong interaction, including nonfactorizable corrections. The result is expressed in terms of a convolution of the hard scattering amplitude and the pion wave function. The decay amplitudes in this method are independent of the gauge, the renormalization scale, and the renormalization scheme. The effects of the nonfactorizable contribution are discussed and numerical estimates are presented. (C) 2000 Published by Elsevier Science B.V.

Original language	English
Pages (from-to)	339-343
Number of pages	5
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	476
Issue number	3-4
DOIs	https://doi.org/10.1016/S0370-2693(00)00151-9
Publication status	Published - 2000 Mar 16

Bibliographical note

Funding Information:
The author was supported in part by the Ministry of Education grants KRF-99-042-D00034 D2002, BSRI 98-2408, and the German–Korean scientific exchange program DFG-446-KOR-113/72/0. The author would like to thank Ahmed Ali, Christoph Greub, and Pyungwon Ko for stimulating discussions.

ASJC Scopus subject areas

Nuclear and High Energy Physics

Access to Document

10.1016/S0370-2693(00)00151-9

Cite this

@article{69a27d2320414b669497c46355dcbdb2,

title = "{\=B} → D((*))π- beyond naive factorization in the heavy quark limit",

abstract = "Nonleptonic decays {\=B} → Dπ- or {\=B} → D*π- are dominated by factorizable contributions. In the heavy quark limit, nonfactorizable contribution arises from strong radiative correction and power corrections in 1/m(b). I calculate the decay rates for {\=B} → D(*)π- at next-to-leading order in strong interaction, including nonfactorizable corrections. The result is expressed in terms of a convolution of the hard scattering amplitude and the pion wave function. The decay amplitudes in this method are independent of the gauge, the renormalization scale, and the renormalization scheme. The effects of the nonfactorizable contribution are discussed and numerical estimates are presented. (C) 2000 Published by Elsevier Science B.V.",

author = "Junegone Chay",

note = "Funding Information: The author was supported in part by the Ministry of Education grants KRF-99-042-D00034 D2002, BSRI 98-2408, and the German–Korean scientific exchange program DFG-446-KOR-113/72/0. The author would like to thank Ahmed Ali, Christoph Greub, and Pyungwon Ko for stimulating discussions.",

year = "2000",

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doi = "10.1016/S0370-2693(00)00151-9",

language = "English",

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pages = "339--343",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

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T1 - B̄ → D((*))π- beyond naive factorization in the heavy quark limit

AU - Chay, Junegone

N1 - Funding Information: The author was supported in part by the Ministry of Education grants KRF-99-042-D00034 D2002, BSRI 98-2408, and the German–Korean scientific exchange program DFG-446-KOR-113/72/0. The author would like to thank Ahmed Ali, Christoph Greub, and Pyungwon Ko for stimulating discussions.

PY - 2000/3/16

Y1 - 2000/3/16

N2 - Nonleptonic decays B̄ → Dπ- or B̄ → D*π- are dominated by factorizable contributions. In the heavy quark limit, nonfactorizable contribution arises from strong radiative correction and power corrections in 1/m(b). I calculate the decay rates for B̄ → D(*)π- at next-to-leading order in strong interaction, including nonfactorizable corrections. The result is expressed in terms of a convolution of the hard scattering amplitude and the pion wave function. The decay amplitudes in this method are independent of the gauge, the renormalization scale, and the renormalization scheme. The effects of the nonfactorizable contribution are discussed and numerical estimates are presented. (C) 2000 Published by Elsevier Science B.V.

AB - Nonleptonic decays B̄ → Dπ- or B̄ → D*π- are dominated by factorizable contributions. In the heavy quark limit, nonfactorizable contribution arises from strong radiative correction and power corrections in 1/m(b). I calculate the decay rates for B̄ → D(*)π- at next-to-leading order in strong interaction, including nonfactorizable corrections. The result is expressed in terms of a convolution of the hard scattering amplitude and the pion wave function. The decay amplitudes in this method are independent of the gauge, the renormalization scale, and the renormalization scheme. The effects of the nonfactorizable contribution are discussed and numerical estimates are presented. (C) 2000 Published by Elsevier Science B.V.

UR - https://www.scopus.com/pages/publications/0034673502

U2 - 10.1016/S0370-2693(00)00151-9

DO - 10.1016/S0370-2693(00)00151-9

M3 - Article

AN - SCOPUS:0034673502

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VL - 476

SP - 339

EP - 343

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3-4

ER -