PHOBOS experiment Au+Au at 200 GeV
Ratio of (dN/deta')/<Npart/2> non-central(35-40%)/central(0-6%)

                    90% C.L.
                    syst.
   eta'     ratio   error (+/-)
   ---      -----   -----------
 -2.86945   0.8837  0.0498
 -2.66945   0.8819  0.0472
 -2.46945   0.8995  0.0472
 -2.26945   0.9464  0.0520
 -2.06945   0.9619  0.0660
 -1.86945   0.9479  0.0523
 -1.66945   0.9786  0.0547
 -1.46945   1.0192  0.0681
 -1.26945   1.0244  0.0632
 -1.06945   1.0508  0.0587
 -0.86945   1.1140  0.0647
 -0.66945   1.2263  0.0935
 -0.46945   1.2723  0.0933
 -0.26945   1.3558  0.1544
 -0.06945   1.4808  0.1472