PHOBOS data for Au-Au collisions at sqrt(sNN)=200 GeV
1-sigma statistical errors and 90% C.L. systematic errors are shown
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Fig 1. <v2> as a function of Npart
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Npart	<v2>	StatErr	SystErr
80.3	0.0654	0.0002	0.0135
99.2	0.0656	0.0002	0.0134
122.0	0.0640	0.0002	0.0134
147.9	0.0612	0.0002	0.0129
178.4	0.0569	0.0002	0.0124
213.5	0.0506	0.0001	0.0115
253.6	0.0426	0.0001	0.0102
295.5	0.0332	0.0001	0.0086

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Fig 1. sigma_dyn(v2) as a function of Npart
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Npart	sigma(v2)	StatErr	SystErr
80.3	0.0259		0.0003	0.0061
99.2	0.0249		0.0003	0.0058
122.0	0.0237		0.0002	0.0057
147.9	0.0226		0.0002	0.0055
178.4	0.0212		0.0002	0.0054
213.5	0.0199		0.0002	0.0056
253.6	0.0181		0.0002	0.0052
295.5	0.0165		0.0002	0.0047