Evidence for B_s production at the Upsilon(5S) from CLEO and properties of the Upsilon(4S) from BaBar

Details Evidence for B_s production at the Upsilon(5S) from CLEO and properties of the Upsilon(4S) from BaBar Evidence for B_s production at the Upsilon(5S) from CLEO and properties of the Upsilon(4S) from BaBar

2004-10-20

arxiv.org/abs/hep-ex/0410060v3

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages, 3 figures, ICHEP 2004 conference proceedings (minor change in references)

Scientific paper

BaBar experiment scan around the Upsilon(4S) resonance and measure its mass and full width. They also measure Br(Upsilon(4S) -> B0 B0b) = 0.486 +/- 0.010 +/- 0.009 from 81.7 fb-1 Upsilon(4S) data. CLEO collaboration took about 0.42 fb-1 Upsilon(5S) data. They search for B_s in both inclusive and exclusive modes and find evidence for B_s production at the \Upsilon(5S) and Br(Upsilon(5S) -> B_s^(*) B_s^(*)b) = (21 +/- 3 +/- 9)%.

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