Infrared Divergence and Twist-3 Wave Functions in QCD Factorization for B→PP Decays

DU Dong-Sheng

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2002, Vol. 26> Issue(S1) : 11-15

Infrared Divergence and Twist-3 Wave Functions in QCD Factorization for B→PP Decays

DU Dong-Sheng ^,

Institute of High Energy Physics of CAS, Beijing 100039, China

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Abstract：
The problem of chirally enhanced corrections for B decays into two light pseudos- calars in QCD factorization scheme is discussed. We find that the infrared divergences of the vertex corrections cancel only if the twist-3 wave functions are symmetric. In that case chirally enhanced corrections can be included consistently. The divergences appeared in the hard spectator scattering are also discussed briefly.

References

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DU Dong-Sheng. Infrared Divergence and Twist-3 Wave Functions in QCD Factorization for B→PP Decays[J]. Chinese Physics C, 2002, 26(S1): 11-15.

DU Dong-Sheng. Infrared Divergence and Twist-3 Wave Functions in QCD Factorization for B→PP Decays[J]. Chinese Physics C, 2002, 26(S1): 11-15. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Infrared Divergence and Twist-3 Wave Functions in QCD Factorization for B→PP Decays

DU Dong-Sheng ^,

Corresponding author: DU Dong-Sheng,

Institute of High Energy Physics of CAS, Beijing 100039, China

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 2002-06-24

Abstract: The problem of chirally enhanced corrections for B decays into two light pseudos- calars in QCD factorization scheme is discussed. We find that the infrared divergences of the vertex corrections cancel only if the twist-3 wave functions are symmetric. In that case chirally enhanced corrections can be included consistently. The divergences appeared in the hard spectator scattering are also discussed briefly.