The most precise current determination of the Unitarity Triangle angle ϕ3 is presented. It is obtained using the decay B+→D(∗)K+, with Dalitz plot analysis of the subsequent D→KSπ+π− decay. The result is \phi_3 = 68^\circ ^{+14^\circ}_{-15^\circ} \stat \pm 13^\circ \syst \pm 11^\circ \model.
Cite
@article{arxiv.hep-ex/0412001,
title = {Hot Topics from Belle},
author = {Tim Gershon},
journal= {arXiv preprint arXiv:hep-ex/0412001},
year = {2019}
}
Comments
Contribution to the Proceedings of FPCP2004, Daegu, Korea. 7 pages, 3 figures, 1 table