The Transverse Structure of the Baryon Source in Relativistic Heavy Ion Collisions
A. Polleri, R. Mattiello, I. N. Mishustin, J. P. Bondorf
Abstract
A direct method to reconstruct the transverse structure of the baryon source formed in a relativistic heavy ion collision is presented. The procedure makes use of experimentally measured proton and deuteron spectra and assumes that deuterons are formed via two-nucleon coalescence. The transverse density shape and flow profile are reconstructed for Pb+Pb collisions at the CERN-SPS. The ambiguity with respect to the source temperature is demonstrated and possible ways to resolve it are discussed.
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