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Measurement of the e+e-→bb¯ Cross Section between s=10.54 and 11.20 GeV

Aubert, B. et al. (2009) Measurement of the e+e-→bb¯ Cross Section between s=10.54 and 11.20 GeV. Physical Review Letters, 102 (1). 012001. ISSN 0031-9007

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Abstract

We report e+e-→bb̅ cross section measurements by the BABAR experiment performed during an energy scan in the range of 10.54 to 11.20 GeV at the SLAC PEP-II e+e- collider. A total relative error of about 5% is reached in more than 300 center-of-mass energy steps, separated by about 5 MeV. These measurements can be used to derive precise information on the parameters of the Υ(10860) and Υ(11020) resonances. In particular we show that their widths may be smaller than previously measured.

Item Type: Article
Subjects: Q Science > QC Physics
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 04 Jan 2012 10:34
Last Modified: 04 Jan 2012 10:34
URI: http://eprints.hud.ac.uk/id/eprint/12303

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