Data Point Value for D0 Measurement


All data are measured in mid-rapidity |y|<1 and at sqrt(s_NN) = 200 GeV.

D0 spectra in p+p collisions (the first two data points are measured for D0 and last four data points are for D* scaled with D0/D* fragmentation ratio from PYTHIA):

p_T (GeV/c) Invariant Yield (GeV/c)^{-2} Stat. Error Sys. Error (lower) Sys. Error (upper)
9.08e-01 2.84e-04 0.96e-04 0.98e-04 0.56e-04
1.57 1.00e-04 0.32e-04 0.21e-04 0.20e-04
2.45 1.60e-05 0.44e-05 0.29e-05 0.29e-05
3.44 2.52e-06 0.89e-06 0.39e-06 0.39e-06
4.45 3.81e-07 1.51e-07 0.66e-07 0.66e-07
5.45 1.13e-07 0.38e-07 0.16e-07 0.16e-07

D0 spectra in 0-80% Au+Au collisions:

p_T (GeV/c) Invariant Yield (GeV/c)^{-2} Stat. Error Sys. Error
3.15e-01 4.16e-02 0.78e-02 0.63e-02
9.68e-01 3.59e-02 0.66e-02 0.48e-02
1.35 2.48e-02 0.37e-02 0.30e-02
1.89 9.50e-03 1.57e-03 1.15e-03
2.56 2.00e-03 0.43e-03 0.22e-03
3.75 2.32e-04 0.43e-04 0.28e-04
5.88 6.65e-06 1.53e-06 1.06e-06

D0 spectra in 0-10% Au+Au collisions:

p_T (GeV/c) Invariant Yield (GeV/c)^{-2} Stat. Error Sys. Error
3.15e-01 8.55e-02 2.56e-02 1.25e-02
9.68e-01 9.63e-02 1.98e-02 1.19e-02
1.35 7.32e-02 1.26e-02 0.91e-02
1.89 2.36e-02 0.41e-02 0.28e-02
2.56 3.52e-03 1.04e-03 0.46e-03
3.75 4.61e-04 1.17e-04 0.55e-04
5.88 1.47e-05 0.40e-05 0.19e-05

D0 spectra in 10-40% Au+Au collisions:

p_T (GeV/c) Invariant Yield (GeV/c)^{-2} Stat. Error Sys. Error
3.15e-01 5.70e-02 1.28e-02 0.71e-02
9.68e-01 5.45e-02 1.08e-02 0.63e-02
1.35 2.59e-02 0.47e-02 0.30e-02
1.89 1.21e-02 0.22e-02 0.16e-02
2.56 2.79e-03 0.63e-03 0.31e-03
3.75 2.51e-04 0.67e-04 0.34e-04
5.88 < 1.16e-05 - -

D0 spectra in 40-80% Au+Au collisions:

p_T (GeV/c) Invariant Yield (GeV/c)^{-2} Stat. Error Sys. Error
3.15e-01 7.98e-03 1.77e-03 1.10e-03
9.68e-01 6.70e-03 1.44e-03 0.87e-03
1.35 4.49e-03 0.70e-03 0.51e-03
1.89 9.42e-04 3.04e-04 1.06e-04
2.56 4.50e-04 1.18e-04 0.52e-04
3.75 5.54e-05 1.17e-05 0.61e-05
5.88 2.00e-06 0.58e-06 0.28e-06

 

pp reference global normalization uncertainty is 9.6% for D0 R_AA calculation.

D0 R_AA in 0-10% Au+Au collisions (global uncertainty 2.8%):

p_T (GeV/c) R_AA Stat. Error Sys. Error (lower) Sys. Error (upper)
3.15e-01 0.241 0.073 0.096 0.345
9.68e-01 0.564 0.116 0.155 0.251
1.35 0.832 0.144 0.198 0.270
1.89 0.751 0.129 0.166 0.216
2.56 0.438 0.129 0.106 0.141
3.75 0.518 0.132 0.112 0.143
5.88 0.406 0.109 0.109 0.173

D0 R_AA in 10-40% Au+Au collisions (global uncertainty 7.7%):

p_T (GeV/c) R_AA Stat. Error Sys. Error (lower) Sys. Error (upper)
3.15e-01 0.386 0.087 0.151 0.553
9.68e-01 0.767 0.152 0.205 0.337
1.35 0.707 0.128 0.163 0.224
1.89 0.931 0.163 0.213 0.276
2.56 0.834 0.186 0.187 0.259
3.75 0.679 0.181 0.157 0.198
5.88 < 1.09 - - -

D0 R_AA in 40-80% Au+Au collisions (global uncertainty 24%):

p_T (GeV/c) R_AA Stat. Error Sys. Error (lower) Sys. Error (upper)
3.15e-01 0.373 0.083 0.147 0.535
9.68e-01 0.652 0.140 0.183 0.293
1.35 0.848 0.131 0.192 0.267
1.89 0.499 0.161 0.108 0.141
2.56 0.930 0.244 0.212 0.292
3.75 1.030 0.220 0.212 0.278
5.88 0.914 0.263 0.254 0.401

 

D0 integrated R_AA vs <N_part> in 0-80% minimum bias Au+Au collisions:

0 < p_T < 8.0 GeV/c

<N_part> R_AA Stat. Error Sys. Error (lower) Sys. Error (upper)
41.8 0.568 0.054 0.185 0.258
126.7 0.634 0.050 0.147 0.249
174.1 0.607 0.055 0.142 0.239
325.5 0.498 0.048 0.111 0.193

3.0 < p_T < 8.0 GeV/c

<N_part> R_AA Stat. Error Sys. Error (lower) Sys. Error (upper)
41.8 0.975 0.192 0.280 0.318
126.7 0.780 0.136 0.141 0.185
174.1 0.590 0.153 0.112 0.144
325.5 0.484 0.115 0.081 0.110

0.7 < p_T < 2.2 GeV/c

<N_part> R_AA Stat. Error Sys. Error (lower) Sys. Error (upper)
41.8 0.628 0.076 0.106 0.152
126.7 0.754 0.073 0.127 0.183
174.1 0.710 0.079 0.119 0.171
325.5 0.641 0.070 0.108 0.155