Au+Au Global Results 3: Net baryon density at midrapidity

• 3/4 of protons at y = 0 come from pair production

• Much closer to baryon-free region than SPS

• Low baryo-chemical potential at freeze-out

• (statistical model Redlich et al):

• mB ~ 45 MeV (s=130 GeV), 30 MeV (s=200 GeV)

Notes: