### 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 |
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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 | |

Publication status | Published - 2000 Mar 16 |

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### ASJC Scopus subject areas

- Nuclear and High Energy Physics

### Cite this

**B̄ → D((*))π ^{-} beyond naive factorization in the heavy quark limit.** / Chay, Junegone.

Research output: Contribution to journal › Article

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TY - JOUR

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

AU - Chay, Junegone

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.

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

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

M3 - Article

AN - SCOPUS:0034673502

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

SN - 0370-2693

IS - 3-4

ER -