Suppression of statistical background in the event structure of away-side Δϕ distribution
Charles B. Chiu, Rudolph C. Hwa
Abstract
An approach is proposed to analyze the azimuthal distribution of particles produced on the away side in heavy-ion collisions without background subtraction. Measures in terms of factorial moments are suggested that can suppress the statistical background, while giving clear distinction between one-jet and two-jet event structures on the away side. It is also possible to map the position and strength of the recoil jet to suitably chosen asymmetry moments.
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