Abstract
Transverse momentum spectra of charged hadrons with and neutral pions with have been measured at midrapidity by the PHENIX experiment at BNL RHIC in collisions at . The measured yields are compared to those in collisions at the same scaled up by the number of underlying nucleon-nucleon collisions in . The yield ratio does not show the suppression observed in central collisions at RHIC. Instead, there is a small enhancement in the yield of high momentum particles.
- Received 18 June 2003
DOI:https://doi.org/10.1103/PhysRevLett.91.072303
©2003 American Physical Society