Determination of the wrong sign decay rate D0 -> K+pi- and the sensitivity to D0-D0bar mixing

Details Determination of the wrong sign decay rate D0 -> K+pi- and the sensitivity to D0-D0bar mixing Determination of the wrong sign decay rate D0 -> K+pi- and the sensitivity to D0-D0bar mixing

2001-11-20

arxiv.org/abs/hep-ex/0111062v1

Physics

High Energy Physics

High Energy Physics - Experiment

5 pages, 4 postscript figues, contributed to the Proceedings of HEP2001

Scientific paper

The D0 meson can decay to the wrong sign K+pi- state either through a doubly
Cabibbo suppressed decay or via mixing to the D0bar state followed by the
Cabibbo favoured decay D0bar -> K+ pi-. We measure the rate of wrong sign
decays relative to the Cabibbo favoured decay to (0.383 +- 0.044 +- 0.022)% and
give our sensitivity to a mixing signal.

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