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Measurement of the e[superscript +]e[superscript -] -->bb̅ Cross Section between [sqrt s]=10.54 and 11.20 GeV

Author(s)
Dujmic, Denis; Sciolla, Gabriella; Yamamoto, R. K.; Zhao, M.; Cowan, Ray F; Fisher, Peter H; Taylor, Frank E; Spitznagel, Michael A; ... Show more Show less
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.

Alternative title
Measurement of the e+e-→bb̅ Cross Section between √s=10.54 and 11.20 GeV
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
We report e[superscript +]e[superscript -]→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.
Date issued
2009-01
URI
http://hdl.handle.net/1721.1/52707
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Aubert, B. et al. "Measurement of the e[superscript +]e[superscript -] -->bb̅ Cross Section between [sqrt s]=10.54 and 11.20 GeV." Physical Review Letters 102.1 (2009): 012001. © 2009 The American Physical Society
Version: Final published version
ISSN
0031-9007

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