Phobos midrapidity pseudorapidity densities versus centrality.  Au+Au at 200 GeV

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200GeV data - EOct Centrality Method
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X-Sect	|	Npart	Error	|	dN/dEta	Error	|	dN/dEta/(Npt/2)	Error
0-3	|	361	11	|	691	52	|	3.82		0.31
3-6	|	331	10	|	619	46	|	3.74		0.30
6-10	|	297	9	|	540	41	|	3.64		0.30
10-15	|	255	8	|	465	35	|	3.65		0.30
15-20	|	215	7	|	384	29	|	3.57		0.29
20-25	|	180	7	|	313	24	|	3.47		0.30
25-30	|	150	6	|	257	19	|	3.42		0.29
30-35	|	124	6	|	208	16	|	3.37		0.30
35-40	|	101	6	|	165	12	|	3.25		0.31
40-45	|	82	6	|	133	10	|	3.25		0.34
45-50	|	65	6	|	100	8	|	3.10		0.38