Characteristics of Charm Production by 400-{GeV} Protons

Duffy, M.E. ; Fanourakis, G.K. ; Loveless, R.J. ; et al.
Phys.Rev.Lett. 57 (1986) 1522, 1986.
Inspire Record 229849 DOI 10.17182/hepdata.20206

In a beam-dump experiment at Fermilab the cross section for charm-particle production has been deduced from a measurement of the prompt neutrino flux. The reaction cross section, if we assume only DD¯ and the dependence on atomic weight A0.75, is 57.2 ± 2.9 ± 8.5 μb/nucleon and the dependence on Feynman x and transverse momentum is EDd3σdpD3∝(1−x)3.2e−1.5p⊥ (p⊥ in GeV/c). The data are consistent with as much as 40% diffractive production of ΛcD¯.

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