corner
corner
APS » Journals » Phys. Rev. Lett. » Volume 81 » Issue 26
< Previous Article | Next Article >

Phys. Rev. Lett. 81, 5738–5741 (1998)

Prospects for Direct CP Violation in Exclusive and Inclusive Charmless B Decays

Download: PDF (172 kB) Buy this article Export: BibTeX or EndNote (RIS)

Xiao-Gang He1,2, Wei-Shu Hou1,3, and Kwei-Chou Yang4
1Department of Physics, National Taiwan University, Taipei, Taiwan 10764, Republic of China
2School of Physics, University of Melbourne, Parkville, Victoria 3052, Australia
3Physics Department, Brookhaven National Laboratory, Upton, New York 11973
4Institute of Physics, Academia Sinica, Taipei, Taiwan, Republic of China

Received 8 September 1998; published in the issue dated 28 December 1998

Within the standard model, CP rate asymmetries for B→K-π+,0 could reach 10%. With strong final state phases, they could go up to 20%– 30%, even for the K̅ 0π- mode which would have the opposite sign. We can account for K-π+, K̅ 0π-, and φK rate data with new physics enhanced color dipole coupling and destructive interference. Asymmetries could reach 40%– 60% for Kπ and φK modes and are all of the same sign. We are unable to account for the K-π0 rate. Our inclusive study supports our exclusive results.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.81.5738
DOI:
10.1103/PhysRevLett.81.5738
PACS:
13.25.Hw, 11.30.Er, 12.38.Bx, 12.60.-i
 
< Previous Article | Next Article >