On the Measurement of D-meson Yield in Nucleus-Nucleus Collisions at the CERN SPS

Details On the Measurement of D-meson Yield in Nucleus-Nucleus Collisions at the CERN SPS On the Measurement of D-meson Yield in Nucleus-Nucleus Collisions at the CERN SPS

1999-04-23

arxiv.org/abs/hep-ph/9904441v2

Acta Phys.Polon. B31 (2000) 965-983

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages

Scientific paper

We argue that the measurement of open charm gives a unique opportunity to test the validity of pQCD-based and statistical models of nucleus-nucleus collisions at high energies. We show that various approaches used to estimate D-meson multiplicity in central Pb+Pb collisions at 158 A GeV give predictions which differ by more than a factor of 100. Finally we demonstrate that decisive experimental results concerning the open charm yield in A+A collisions can be obtained using data of the NA49 experiment at the CERN SPS.

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