Small angle $J/\psi$ production in $p\bar{p}$ collisions at $\sqrt{s} = 1.8$ TeV
Phys.Rev.Lett. 82 (1999) 35-40
The collaboration

Abstract (data abstract)
FERMILAB-COLLIDER. Measurement of the inclusive J/PSI production cross section in the forward pseudorapidity region 2.5 to 3.7 in PBAR P collisions at centre-of-mass energy 1.8 TeV. Based on integrated luminosity of 9.8 pb-1.