Charm meson spectra in $e^{+} e^{-}$ annihilation at 10.5-GeV c.m.e.

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.

Note:

36 pages postscript,also available through http://www.lns.cornell.edu/public/CLNS/, submitted to PRD Report-no: CLNS 04/1861, CLEO 04-3

13.87.Fh
14.65.Dw
13.66.Bc
14.40.Lb
electron positron: colliding beams
electron positron: annihilation
electron positron: inclusive reaction
charmed meson: electroproduction
D*(2010): electroproduction
D0: electroproduction

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Charm meson spectra in e+e−e^{+} e^{-}e+e− annihilation at 10.5-GeV c.m.e.

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Charm meson spectra in $e^{+} e^{-}$ annihilation at 10.5-GeV c.m.e.