Abstract

We report on two‐particle azimuthal angle correlations between charged hadrons at forward / backward rapidity and charged hadrons at mid‐rapidity in deuteron‐gold (d + Au) and proton‐proton (p + p) collisions at sNN = 200 GeV. Jet structures are observed in the correlations which we quantify in terms of the conditional yield and angular width of away‐side partners. We find no evidence within our statistical and systematic errors for suppression of the conditional yield (often termed mono‐jets) between forward rapidity and mid‐rapidity hadrons in central d + Au reactions, where the hard processes are sensitive to low‐x partons in the Au nucleus.

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