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A-dependence of the Charm Production Cross-section in 320-{GeV}/$c \pi^-$ Interactions

The WA78 collaboration Cobbaert, H. ; Roosen, R. ; Catanesi, M.G. ; et al.
Phys.Lett.B 191 (1987) 456-461, 1987.
Inspire Record 236083 DOI 10.17182/hepdata.30162

Using a 320 GeV c π − beam incident on three different target materials Al, Fe, and U, the A -dependence of charm production is studied by measuring the yield of prompt single muons. Parametrizing the charm cross section as σ cc ( π − A) = σ 0 Aα the measured α values are α ( μ + ) = 0.76 ± 0.08 and α ( μ − ) = 0.83 ± 0.06.

2 data tables
Table 1

No description provided.

Table 2

Numbers of events per 10**6 incident PI-.