Test of factorisation in $B \to Kπ$ decays

Details Test of factorisation in $B \to Kπ$ decays Test of factorisation in $B \to Kπ$ decays

1999-11-30

arxiv.org/abs/hep-ph/9911534v3

Phys.Rev. D62 (2000) 094002

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, with ReVTeX, 16 pages, 5 figures, version to appear in Physical Review D

Scientific paper

10.1103/PhysRevD.62.094002

We analyse the $B \to K\pi$ decays using the factorisation model with final state interaction phase shift included. We find that factorisation seems to describe qualitatively the latest CLEO data. For a test of the factorisation model, we derive a relation for the branching ratios independent of the strength of the strong penguin interactions. This relation gives a central value of $(0.60 \times 10^{-5})$ for ${\mathcal B}(\bar{B}^{0} \to \bar{K}^{0}\pi^{0})$, somewhat smaller than the latest CLEO measurement, but the experimental errors are yet too big to take it as a real prediction of the factorisation model. We also find that a ratio obtained from the CP-averaged $B \to K\pi$ decay rates could be used to test the factorisation model and to determine the weak angle $\gamma$ with more precise data, though the l atest CLEO data seem to favor $\gamma$ in the range of $(90^{\circ}-120^{\circ})$.

Affiliated with

Also associated with

No associations

Rating

Test of factorisation in $B \to Kπ$ decays does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Test of factorisation in $B \to Kπ$ decays, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Test of factorisation in $B \to Kπ$ decays will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-295438