Speaker
Description
Cu+Au collisions provide a unique system to study hard probes. For example,
the collision geometry at a fixed centrality is necessarily different from
that of symmetric Cu+Cu and Au+Au collisions. A systematic study of the
production of high-pT particles and jets in systems with different geometry
may provide information about the path-length dependence of energy loss in
the medium. The PHENIX experiment has measured the pT distributions and the
nuclear modification factors, R_CuAu, of jets and leading particles, such
as pi0, in Cu+Au collisions at 200 GeV. The jets are reconstructed with the
anti-kt clustering algorithm with a distance parameter of R=0.2, chosen to
minimize the contribution of the underlying event. The R_CuAu measurements
will be presented as a function of pT and centrality and compared to
theoretical calculations.
| Presentation type | Oral |
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