A Time-independent Way to Probe D^0-\bar D^0 Mixing at Tau-charm Factories

Details A Time-independent Way to Probe D^0-\bar D^0 Mixing at Tau-charm Factories A Time-independent Way to Probe D^0-\bar D^0 Mixing at Tau-charm Factories

1995-12-03

arxiv.org/abs/hep-ph/9512217v2

Phys.Lett. B379 (1996) 257-260

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages. Minor changes. (Phys. Lett. B in press)

Scientific paper

$D^0-\bar{D}^0$ mixing leads to the mass and width differences in the mass eigenstates of $D^0$ and $\bar{D}^0$ mesons (measured by parameters $x^{~}_D$ and $y^{~}_D$ respectively), but their magnitudes cannot be reliably predicted by the standard model. We show that it is possible to separately determine $x^{~}_D$ and $y^{~}_D$ through {\it time-integrated} measurements of the dilepton events of coherent $D^0\bar{D}^0$ decays on the $\psi(4.14)$ resonance at a $\tau$-charm factory.

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