Regular Article - Experimental Physics
Deuteron and antideuteron measurements in Au + Au collisions at at RHIC-PHENIX
Department of Physics and Astronomy, Station B 1807, Vanderbilt University, Nashville, TN, 37235, USA
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Revised: 5 February 2009
Published online: 8 April 2009
In Run-7 of RHIC operations PHENIX has recorded over 5.4 billion minimum bias events, facilitating a detailed study of deuteron and antideuteron production as a function of centrality and up to transverse momentum of p T =5 GeV/c. We present transverse momentum p T and transverse mass m T spectra, mean transverse momentum 〈p T 〉, source parameters, particle ratios, and nuclear modification factor R CP . Deuteron and antideuteron spectra are compared to those of other identified particles and to hydrodynamical predictions.
© Springer-Verlag , 2009