Comment on 'B -> M(1) M(2): Factorization, charming penguins, strong phases, and polarization'
Comment on 'B -> M(1) M(2): Factorization, charming penguins, strong phases, and polarization'
We show that the factorization formula for nonleptonic B decays to two light flavor-nonsinglet mesons derived by Bauer et al. in the context of soft-collinear effective theory is equivalent to the corresponding formula in the QCD factorization approach. The apparent numerical differences in the analysis of B-->pipi data performed by these authors, as compared to previous QCD factorization analyses, can largely be attributed to the neglect of known perturbative and power corrections.
098501-[4pp]
Beneke, M.
fdc331cd-2ac7-45b0-b029-b4adb614d332
Buchalla, G.
e272ee94-b3db-41d0-a95d-aa202ed85cd2
Neubert, M.
748c5621-4d14-45bc-b1f2-74bf1b35fcc8
Sachrajda, C.T.
0ed6568b-f52f-4314-8677-4aeeb925d6f7
2005
Beneke, M.
fdc331cd-2ac7-45b0-b029-b4adb614d332
Buchalla, G.
e272ee94-b3db-41d0-a95d-aa202ed85cd2
Neubert, M.
748c5621-4d14-45bc-b1f2-74bf1b35fcc8
Sachrajda, C.T.
0ed6568b-f52f-4314-8677-4aeeb925d6f7
Beneke, M., Buchalla, G., Neubert, M. and Sachrajda, C.T.
(2005)
Comment on 'B -> M(1) M(2): Factorization, charming penguins, strong phases, and polarization'.
Physical Review D, 72 (9), .
(doi:10.1103/PhysRevD.72.098501).
Abstract
We show that the factorization formula for nonleptonic B decays to two light flavor-nonsinglet mesons derived by Bauer et al. in the context of soft-collinear effective theory is equivalent to the corresponding formula in the QCD factorization approach. The apparent numerical differences in the analysis of B-->pipi data performed by these authors, as compared to previous QCD factorization analyses, can largely be attributed to the neglect of known perturbative and power corrections.
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Published date: 2005
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Local EPrints ID: 57079
URI: http://eprints.soton.ac.uk/id/eprint/57079
ISSN: 1550-7998
PURE UUID: a2dec83a-87c0-4efd-9a86-a4731fab1d26
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Date deposited: 14 Aug 2008
Last modified: 15 Mar 2024 11:05
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Author:
M. Beneke
Author:
G. Buchalla
Author:
M. Neubert
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