QCD corrections to b → sγγ and exclusive Bs → sγγ decay

Chia Hung V. Chang*, Guey Lin Lin, York Peng Yao

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

53 引文 斯高帕斯(Scopus)

摘要

The short distance QCD corrections to b → sγγ are calculated in the leading logarithmic approximation. The equivalence of operator basis reduction for S-matrix elements by using the equations of motion or by proving a low energy theorem is discussed. We apply the above results to the exclusive Bs → γγ decay. The branching ratio of this decay is found to be 5 × 10-7 in the Standard Model. We also found that QCD corrections modify considerably the ratio between CP-even and CP-odd two-photon amplitudes.

原文英語
頁(從 - 到)395-401
頁數7
期刊Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
415
發行號4
DOIs
出版狀態已發佈 - 1997 12月 25
對外發佈

ASJC Scopus subject areas

  • 核能與高能物理

指紋

深入研究「QCD corrections to b → sγγ and exclusive Bs → sγγ decay」主題。共同形成了獨特的指紋。

引用此