Abstract
The results of data handling for the E-184 experiment involving the irradiation of the active target, consisting of carbon, silicon, and lead plates by a 70-GeV proton beam are presented. When the two-prong neutral charmed meson decay signal was selected and the cross section for charm production at a near-threshold energy was estimated (σ(c $$ \bar c $$ ) = 7.1 ± 2.4(stat.) ± 1.4(syst.) µb/nucleon), some properties of D 0 and $$ \bar D^0 $$ were investigated. These include the atomic-weight dependence of the cross section on the target mass number (its A dependence); the differential cross sections dσ/dp 2 and dσ/dx F; and the dependence of the parameter α on x F, p 2 , and p lab. The experimental results are compared with the predictions of the FRITIOF7.02 program.
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