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We measure the neutral D total forward cross section and the differential cross sections as functions of Feynman-x (x F ) and transverse momentum squared for 500 GeV/c π - -nucleon interactions. The results are obtained from 88990+/-460 reconstructed neutral D mesons from Fermilab experiment E791 using the decay channels D 0 ->K - π + and D 0 ->K...
We study the charge correlations between charm mesons produced in 500 GeV π - - N interactions and the charged pions produced closest to them in phase space. With 110,000 fully reconstructed D mesons from experiment E791 at Fermilab, the correlations are studied as functions of the D π - D mass difference and of Feynman x. We observe significant correlations which appear to originate...
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