Final-state Rescattering Effects on B_d-->\pi\pi Decays and CP Violation
High Energy Physics - Phenomenology
2009-10-31 v2 High Energy Physics - Experiment
Abstract
The significance of final-state interactions in B_d-->\pi\pi decays is phenomenologically demonstrated by taking elastic \pi\pi--\pi\pi and inelastic \pi\pi--D\bar{D} rescattering effects into consideration. We find that the present experimental data on B^0_d-->\pi^+\pi^- can well be understood in this approach without fine-tuning of the input parameters, and large CP-violating asymmetries are expected to manifest themselves in such charmless rare processes.
Keywords
Cite
@article{arxiv.hep-ph/0007136,
title = {Final-state Rescattering Effects on B_d-->\pi\pi Decays and CP Violation},
author = {Zhi-zhong Xing},
journal= {arXiv preprint arXiv:hep-ph/0007136},
year = {2009}
}
Comments
LaTex 9 pages (4 PS figures included). Typing errors removed. Latest data considered. References added. Acknowledgements modified. Version to appear in Phys. Lett. B