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Global Results 3: Net baryon density at midrapidity

Particle to anti-particle ratios at y=0:

2/3 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: