Charm Meson Spectra in e^+e^- Annihilation at 10.5 GeV c.m.e
M. Artuso, et al (the CLEO Collaboration)
TL;DR
This paper reports precise measurements of charm meson production spectra and cross sections in electron-positron annihilation at 10.5 GeV, providing improved data for understanding charm quark hadronization.
Contribution
It presents new, high-precision measurements of charm meson spectra and cross sections at 10.5 GeV, surpassing previous experimental accuracy.
Findings
Measured scaled momentum spectra for D+, D0, D*+, D*0
Determined inclusive production cross sections for these mesons
Achieved superior statistical accuracy and momentum resolution
Abstract
Using the CLEO detector at the Cornell Electron-positron Storage Ring, we have measured the scaled momentum spectra, dsigma/dx_p, and the inclusive production cross sections of the charm mesons D+, D0, D*+, and D*0 in e+e- annihilation at about 10.5 GeV center of mass energy, excluding the decay products of B mesons. The statistical accuracy and momentum resolution are superior to previous measurements at this energy.
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