| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9861489 | Physics Letters B | 2005 | 14 Pages |
Abstract
Measurements of Rb, the ratio of the bb¯ cross-section to the qq¯ cross-section in e+eâ collisions, are presented. The data were collected by the OPAL experiment at LEP at centre-of-mass energies between 182 and 209 GeV. Lepton, lifetime and event-shape information is used to tag events containing b quarks with high efficiency. The data are compatible with the Standard Model expectation. The mean ratio of the eight measurements reported here to the Standard Model prediction is 1.055±0.031±0.037, where the first error is statistical and the second systematic.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
OPAL Collaboration OPAL Collaboration, G. Abbiendi, C. Ainsley, P.F. Ã
kesson, G. Alexander, J. Allison, P. Amaral, G. Anagnostou, K.J. Anderson, S. Asai, D. Axen, I. Bailey, E. Barberio, T. Barillari, R.J. Barlow, R.J. Batley, P. Bechtle, T. Behnke,