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Measurement of the e(+)e(-) -> b(b)over-bar Cross Section between root s=10.54 and 11.20 GeV

Abstract:
We report e+e-→bb 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 Y(10860) and Y(11020) resonances. In particular we show that their widths may be smaller than previously measured. © 2009 the American Physical Society.
Publication status:
Published

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Authors


Karyotakis, Y More by this author
Poireau, V More by this author
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Journal:
PHYSICAL REVIEW LETTERS
Volume:
102
Issue:
1
Publication date:
2009-01-09
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:2524f822-4214-40e9-9dff-3034bd15ee01
Source identifiers:
211250
Local pid:
pubs:211250
Language:
English

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