Atomic Weight Dependence of the Production of Hadron Pairs from 800-GeV/c Protons on Nuclear Targets

Turner, Kathleen R. ; Boca, G. ; Georgiopoulos, C. ; et al.
Phys.Rev.Lett. 66 (1991) 864-867, 1991.
Inspire Record 278395 DOI 10.17182/hepdata.19892

Fermilab experiment 711 has investigated proton-nucleus collisions in which two high-transverse-momentum hadrons are produced forming high-mass ++, +-, and -- charged states, using an 800-GeV/c proton beam on targets of beryllium, aluminum, iron, and tungsten. Our data cover the range in dihadron mass from 6 to 15 GeV/c2. We show here that the dependence of the cross section on atomic weight A can be parametrized as Aα where α=1.043±0.011(stat)±0.025 (syst), and is independent of the charge state of the dihadron system.

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