Abstract
Data from νN interactions in the Fermilab 15-ft bubble chamber show that the mean transverse momentum (pT) of forward hadrons in the hadron c.m. system exceeds that of backward hadrons for W2>100 GeV2. Events with high πF, a measure of forward pT, tend to have planar hadron systems and show a three-jet structure in their angular energy flow; their number exceeds that expected in two-jet models. These observations are consistent with quantum chromodynamic predictions of hard-gluon bremsstrahlung.Received 1 June 1981DOI:https://doi.org/10.1103/PhysRevLett.47.556©1981 American Physical Society
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