Narrowing of the Balance Function with Centrality in Au+Au Collisions at sqrt(sNN) = 130 GeV
J. Adams et al., Phys. Rev. Lett. 90,172301 (2003).

Figure 1: Balance Function for All Charged Particle Pairs.

Only statistical errors are listed.
Peripheral Midperipheral Midcentral Central
δη B(δη) B(δη) B(δη) B(δη)
0.05 0.423 +/- 0.019 0.515 +/- 0.015 0.587 +/- 0.012 0.555 +/- 0.010
0.15 0.448 +/- 0.018 0.435 +/- 0.015 0.494 +/- 0.011 0.517 +/- 0.010
0.25 0.396 +/- 0.018 0.436 +/- 0.015 0.443 +/- 0.011 0.443 +/- 0.009
0.35 0.392 +/- 0.017 0.434 +/- 0.014 0.424 +/- 0.011 0.419 +/- 0.009
0.45 0.358 +/- 0.017 0.369 +/- 0.014 0.406 +/- 0.010 0.341 +/- 0.009
0.55 0.303 +/- 0.016 0.342 +/- 0.013 0.310 +/- 0.010 0.298 +/- 0.008
0.65 0.282 +/- 0.016 0.288 +/- 0.013 0.274 +/- 0.010 0.229 +/- 0.008
0.75 0.215 +/- 0.015 0.222 +/- 0.013 0.222 +/- 0.009 0.207 +/- 0.008
0.85 0.225 +/- 0.015 0.196 +/- 0.012 0.196 +/- 0.009 0.153 +/- 0.008
0.95 0.141 +/- 0.014 0.172 +/- 0.012 0.142 +/- 0.009 0.115 +/- 0.007
1.05 0.132 +/- 0.014 0.121 +/- 0.011 0.128 +/- 0.008 0.096 +/- 0.007
1.15 0.135 +/- 0.013 0.116 +/- 0.011 0.097 +/- 0.008 0.078 +/- 0.007
1.25 0.097 +/- 0.012 0.077 +/- 0.010 0.066 +/- 0.008 0.072 +/- 0.007
1.35 0.073 +/- 0.012 0.083 +/- 0.010 0.048 +/- 0.007 0.057 +/- 0.006
1.45 0.068 +/- 0.011 0.046 +/- 0.009 0.043 +/- 0.007 0.051 +/- 0.006
1.55 0.056 +/- 0.010 0.062 +/- 0.009 0.038 +/- 0.006 0.026 +/- 0.005
1.65 0.047 +/- 0.009 0.025 +/- 0.008 0.029 +/- 0.006 0.009 +/- 0.005
1.75 0.025 +/- 0.009 0.027 +/- 0.007 0.021 +/- 0.005 0.013 +/- 0.005
1.85 0.021 +/- 0.008 0.005 +/- 0.006 0.000 +/- 0.005 -0.001 +/- 0.004
1.95 0.007 +/- 0.006 0.004 +/- 0.005 0.010 +/- 0.004 0.002 +/- 0.003
2.05 0.010 +/- 0.005 0.009 +/- 0.004 -0.003 +/- 0.003 0.005 +/- 0.002
2.15 -0.012 +/- 0.004 0.000 +/- 0.003 0.001 +/- 0.002 -0.002 +/- 0.002
2.25 0.002 +/- 0.002 0.002 +/- 0.002 -0.0003 +/- 0.0009 -0.002 +/- 0.001
2.35 -0.0004 +/- 0.0004 -0.0001 +/- 0.0003 0.0000 +/- 0.0001 0.0001 +/- 0.0001

Balance Function, HIJING Filtered, All Charged Particle Pairs

δη B(δη)
0.05 0.507 +/- 0.014
0.25 0.354 +/- 0.014
0.35 0.370 +/- 0.013
0.45 0.348 +/- 0.013
0.55 0.317 +/- 0.013
0.65 0.261 +/- 0.012
0.75 0.217 +/- 0.012
0.85 0.191 +/- 0.011
0.95 0.149 +/- 0.011
1.05 0.162 +/- 0.011
1.15 0.114 +/- 0.010
1.25 0.117 +/- 0.010
1.35 0.075 +/- 0.009
1.45 0.088 +/- 0.009
1.55 0.066 +/- 0.008
1.65 0.043 +/- 0.008
1.75 0.015 +/- 0.007
1.85 0.023 +/- 0.006
1.95 0.003 +/- 0.005
2.05 0.015 +/- 0.005
2.15 -0.009 +/- 0.003
2.25 0.0005 +/- 0.0022
2.35 0.0002 +/- 0.0010

Shuffled Pseudorapidity Events, Balance Function for All Charged Pairs

Peripheral Midperipheral Midcentral Central
δη B(δη) B(δη) B(δη) B(δη)
0.05 0.409 +/- 0.019 0.329 +/- 0.016 0.332 +/- 0.012 0.323 +/- 0.010
0.15 0.341 +/- 0.019 0.305 +/- 0.015 0.317 +/- 0.012 0.301 +/- 0.010
0.25 0.315 +/- 0.018 0.316 +/- 0.015 0.304 +/- 0.011 0.305 +/- 0.009
0.35 0.325 +/- 0.018 0.315 +/- 0.015 0.293 +/- 0.011 0.296 +/- 0.009
0.45 0.271 +/- 0.017 0.294 +/- 0.014 0.266 +/- 0.011 0.256 +/- 0.009
0.55 0.251 +/- 0.017 0.256 +/- 0.014 0.250 +/- 0.010 0.244 +/- 0.008
0.65 0.247 +/- 0.016 0.246 +/- 0.013 0.232 +/- 0.010 0.218 +/- 0.008
0.75 0.197 +/- 0.016 0.225 +/- 0.013 0.240 +/- 0.010 0.235 +/- 0.008
0.85 0.218 +/- 0.015 0.255 +/- 0.012 0.221 +/- 0.009 0.192 +/- 0.008
0.95 0.193 +/- 0.014 0.198 +/- 0.012 0.194 +/- 0.009 0.184 +/- 0.007
1.05 0.169 +/- 0.014 0.193 +/- 0.012 0.183 +/- 0.009 0.187 +/- 0.007
1.15 0.146 +/- 0.013 0.166 +/- 0.011 0.172 +/- 0.008 0.173 +/- 0.007
1.25 0.120 +/- 0.013 0.167 +/- 0.011 0.164 +/- 0.008 0.148 +/- 0.007
1.35 0.125 +/- 0.012 0.156 +/- 0.010 0.134 +/- 0.008 0.130 +/- 0.006
1.45 0.101 +/- 0.011 0.122 +/- 0.009 0.119 +/- 0.007 0.117 +/- 0.006
1.55 0.113 +/- 0.011 0.112 +/- 0.009 0.106 +/- 0.007 0.104 +/- 0.005
1.65 0.085 +/- 0.010 0.107 +/- 0.008 0.083 +/- 0.006 0.095 +/- 0.005
1.75 0.069 +/- 0.009 0.070 +/- 0.007 0.076 +/- 0.005 0.067 +/- 0.004
1.85 0.080 +/- 0.008 0.052 +/- 0.007 0.053 +/- 0.005 0.062 +/- 0.004
1.95 0.052 +/- 0.007 0.035 +/- 0.006 0.030 +/- 0.004 0.040 +/- 0.003
2.05 0.016 +/- 0.005 0.027 +/- 0.004 0.016 +/- 0.003 0.022 +/- 0.002
2.15 0.014 +/- 0.004 0.012 +/- 0.003 0.013 +/- 0.002 0.009 +/- 0.002
2.25 0.0056 +/- 0.0020 0.0040 +/- 0.0016 0.0043 +/- 0.0010 -0.0002 +/- 0.0007
2.35 0.0005 +/- 0.0004 0.0009 +/- 0.0003 0.0000 +/- 0.0001 0.0001 +/- 0.0001

Figure 2: Width of the Balance Function for All Charged Particle Pairs

Horizontal axis is the normalized impact parameter, b/bmax. Only statistical errors are listed.
b/b<sub>max</sub> <δη>
0.158 +/- 0.158 0.547 +/- 0.010
0.474 +/- 0.158 0.574 +/- 0.012
0.735 +/- 0.103 0.612 +/- 0.016
0.908 +/- 0.072 0.635 +/- 0.020

Range of Balance Function Widths for HIJING

Charged Particles
0.642 - 0.670

Figure 3: Balance Function for Charged Pion Pairs

Only statistical errors are listed.
Peripheral Midperipheral Midcentral Central
δy B(δy) B(δy) B(δy) B(δy)
0.05 0.235 +/- 0.020 0.245 +/- 0.016 0.255 +/- 0.012 0.234 +/- 0.010
0.15 0.247 +/- 0.020 0.229 +/- 0.016 0.289 +/- 0.012 0.281 +/- 0.010
0.25 0.309 +/- 0.019 0.308 +/- 0.016 0.280 +/- 0.012 0.280 +/- 0.010
0.35 0.248 +/- 0.019 0.273 +/- 0.015 0.290 +/- 0.012 0.237 +/- 0.010
0.45 0.247 +/- 0.018 0.267 +/- 0.015 0.230 +/- 0.011 0.213 +/- 0.009
0.55 0.231 +/- 0.017 0.262 +/- 0.014 0.200 +/- 0.011 0.202 +/- 0.009
0.65 0.240 +/- 0.017 0.199 +/- 0.014 0.182 +/- 0.010 0.150 +/- 0.009
0.75 0.193 +/- 0.016 0.173 +/- 0.013 0.121 +/- 0.010 0.122 +/- 0.008
0.85 0.159 +/- 0.015 0.140 +/- 0.012 0.138 +/- 0.009 0.089 +/- 0.008
0.95 0.107 +/- 0.014 0.107 +/- 0.012 0.088 +/- 0.009 0.073 +/- 0.007
1.05 0.111 +/- 0.013 0.103 +/- 0.011 0.083 +/- 0.008 0.077 +/- 0.007
1.15 0.064 +/- 0.012 0.092 +/- 0.010 0.062 +/- 0.008 0.046 +/- 0.007
1.25 0.032 +/- 0.011 0.070 +/- 0.009 0.035 +/- 0.007 0.027 +/- 0.006
1.35 0.060 +/- 0.010 0.024 +/- 0.009 0.023 +/- 0.007 0.014 +/- 0.006
1.45 0.038 +/- 0.009 0.014 +/- 0.008 0.026 +/- 0.006 0.019 +/- 0.005
1.55 0.032 +/- 0.008 0.004 +/- 0.007 0.007 +/- 0.005 0.001 +/- 0.004
1.65 0.017 +/- 0.007 0.004 +/- 0.006 0.012 +/- 0.004 0.005 +/- 0.004
1.75 0.001 +/- 0.005 0.006 +/- 0.004 0.005 +/- 0.003 0.002 +/- 0.003
1.85 0.006 +/- 0.004 -0.004 +/- 0.003 0.000 +/- 0.002 0.001 +/- 0.002
1.95 -0.002 +/- 0.003 0.003 +/- 0.002 0.001 +/- 0.001 0.002 +/- 0.001
2.05 -0.002 +/- 0.001 0.0003 +/- 0.0011 0.001 +/- 0.001 0.0002 +/- 0.0006
2.15 0.0001 +/- 0.0005 0.0005 +/- 0.0004 0.0000 +/- 0.0002 0.0000 +/- 0.0002

Balance Function, HIJING Filtered, Charged Pion Pairs

0.05 0.349 +/- 0.015
0.25 0.254 +/- 0.015
0.35 0.266 +/- 0.014
0.45 0.235 +/- 0.014
0.55 0.213 +/- 0.013
0.65 0.175 +/- 0.013
0.75 0.139 +/- 0.012
0.85 0.127 +/- 0.012
0.95 0.138 +/- 0.011
1.05 0.115 +/- 0.010
1.15 0.080 +/- 0.010
1.25 0.055 +/- 0.009
1.35 0.053 +/- 0.008
1.45 0.027 +/- 0.007
1.55 0.030 +/- 0.006
1.65 0.021 +/- 0.005
1.75 -0.004 +/- 0.004
1.85 0.004 +/- 0.003
1.95 0.001 +/- 0.002
2.05 -0.0006 +/- 0.0014
2.15 -0.0009 +/- 0.0006

Figure 4: Width of the Balance Function for Charged Pion Pairs

Horizontal axis is the normalized impact parameter, b/bmax. Only statistical errors are listed.
b/b<sub>max</sub> <δy>
0.158 +/- 0.158 0.594 +/- 0.019
0.474 +/- 0.158 0.622 +/- 0.020
0.735 +/- 0.103 0.633 +/- 0.024
0.908 +/- 0.072 0.664 +/- 0.029

Range of Balance Function Widths for HIJING

Charged Pions
0.665 - 0.694
James Dunlop
Last modified: Wed. Jun. 11 17:00 EDT 2003