Small angle muon and bottom quark production in $p\bar{p}$ collisions at $\sqrt{s} = 1.8$ TeV
Phys.Rev.Lett. 84 (2000) 5478-5483
The collaboration

Abstract (data abstract)
Fermilab-Collider. Measurement of the muon cross section originating from b-quark decay in the forward rapidity region (2.4 to 3.2) in PBAR-P interactions at c.m. energy 1800 GeV. The data were taken in special runs taken at low instantaneous luminosity during the 1994-95 collider run and amount to an integrated luminosity of 104 +- 6 nb-1.