Measurement of D0 ->omega eta Branching Fraction with CLEO-c Data
M. Smith, D. Cinabro, P. Naik
TL;DR
This paper reports the measurement of the branching fraction of the D0 meson decaying into omega eta using CLEO-c data, confirming previous observations and providing a precise value.
Contribution
The study provides a new measurement of the D0 -> omega eta branching fraction with improved precision, confirming prior results from BESIII.
Findings
Measured BF(D0 -> omega eta) = (1.78±0.19±0.14) x 10^(-3)
Confirmed the observation of D0 -> omega eta with CLEO-c data
Identified background in Dalitz plot analysis
Abstract
Using CLEO-c data, we confirm the observation of D0 ->omega eta by BESIII. In the Dalitz Plot of D0 -> Kshort eta pi0, we find a background in the Kshort(->pipi)pi0 projection with a m(pipipi0) equal to the omega(782) mass. In a direct search for D0 -> (omega eta) we find a clear signal and measure BF(D0 ->omega eta) = (1.78+/-0.19+/-0.14) x 10**(-3), in good agreement with BESIII.
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