Correlations from p-p collisions at s = 200 GeV
Abstract
We describe a comprehensive survey of two-particle correlations from p-p collisions at s = 200 GeV. Correlations on transverse rapidity yt are separated into a soft component (string fragments) and a hard component (parton fragments). Fragment correlations on transverse rapidity yt are compared to fragmentation functions on logarithmic momentum variable . Cuts on transverse rapidity isolate angular correlations on (η,φ) for the two components. Hard-component angular correlations are compared to results from conventional leading-particle jet analysis. Angular correlations for low-pt fragments, corresponding to low-Q2 parton scattering, reveal a large asymmetry about the jet thrust axis.
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