Measurement of the e+e- -> D(*)+D(*)- cross-sections

Details Measurement of the e+e- -> D(*)+D(*)- cross-sections Measurement of the e+e- -> D(*)+D(*)- cross-sections

2004-01-29

arxiv.org/abs/hep-ex/0401038v1

Phys.Rev.D70:071101,2004

Physics

High Energy Physics

High Energy Physics - Experiment

To be submitted to PRL

Scientific paper

10.1103/PhysRevD.70.071101

We report first measurements of e+e- -> D(*)+D(*)- processes far above threshold. The cross-sections for e+e- -> DT*+DL*- and e+e- -> D+D*T- at sqrt{s}=10.58 GeV/c2 are measured to be 0.55 +- 0.03 +- 0.05 pb and 0.62 +- 0.03 +- 0.06 pb, respectively. We set upper limits on the cross-sections for e+e- -> DT*+DT*-, e+e- -> DL*+DL*-, e+e- -> D+D*L- and e+e- -> D+D- processes. The analysis is based on 88.9 fb-1 of data collected by the Belle experiment at the KEKB e+e- asymmetric collider.

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