Measurement of the near-threshold $e^+e^- \to D^{(*)\pm}{D}{}^{*\mp}$ cross section using initial-state radiation

Details Measurement of the near-threshold $e^+e^- \to D^{(*)\pm}{D}{}^{*\mp}$ cross section using initial-state radiation Measurement of the near-threshold $e^+e^- \to D^{(*)\pm}{D}{}^{*\mp}$ cross section using initial-state radiation

2006-08-07

arxiv.org/abs/hep-ex/0608018v2

Phys.Rev.Lett.98:092001,2007

Physics

High Energy Physics

High Energy Physics - Experiment

Submitted to the ICHEP06 Conference, Moscow, Russia, BELLE-CONF-0609, submitted to PRL

Scientific paper

10.1103/PhysRevLett.98.092001

We report a measurement of the exclusive $e^+e^- \to D^{(*)\pm}{D}{}^{*\mp}$ cross section as a function of center-of-mass energy near the $D^{(*)^{\pm}}{D}{}^{*\mp}$ threshold with initial state radiation. A partial reconstruction technique is used to increase the efficiency and to suppress background. The analysis is based on a data sample collected with the Belle detector at the $\Upsilon(4S)$ resonance and nearby continuum with an integrated luminosity of 547.8 $\mathrm{fb}^{-1}$ at the KEKB asymmetric-energy $e^+ e^-$ collider.

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