Direct observation of dijets in central Au+Au collisions at s(NN)**(1/2) = 200-GeV
J. Adams et al., Phys. Rev. Lett. 97, 162301 (2006).
Fig.3 : Centrality dependence of near- and away-side yield in 200 GeV collisions, for 8 < pTtrig < 15 GeV/c.
| | Near side, |Δ φ|< 0.63 | Away side, |Δ φ - π| < 0.63 |
| Centrality | Npart |
3 < pT(assoc) < 4 | 4 < pT(assoc) < 6 | pT(assoc) > 6 GeV/c |
3 < pT(assoc) < 4 | 4 < pT(assoc) < 6 | pT(assoc) > 6 GeV/c |
|---|
| dAu | 8.31 |
0.108 +/- 0.020 | 0.043 +/- 0.010 | 0.016 +/- 0.006 |
0.158 +/- 0.023 | 0.109 +/- 0.015 | 0.056 +/- 0.011 |
| Au+Au 40-80% | 55 |
0.101 +/- 0.009 | 0.053 +/- 0.005 | 0.015 +/- 0.002 |
0.126 +/- 0.010 | 0.065 +/- 0.005 | 0.035 +/- 0.004 |
| Au+Au 30-40% | 115 |
0.107 +/- 0.014 | 0.061 +/- 0.006 | 0.020 +/- 0.004 |
0.119 +/- 0.015 | 0.064 +/- 0.007 | 0.035 +/- 0.004 |
| Au+Au 20-30% | 166 |
0.101 +/- 0.014 | 0.046 +/- 0.005 | 0.020 +/- 0.003 |
0.095 +/- 0.013 | 0.049 +/- 0.005 | 0.027 +/- 0.003 |
| Au+Au 10-20% | 234 |
0.093 +/- 0.014 | 0.051 +/- 0.005 | 0.022 +/- 0.003 |
0.084 +/- 0.013 | 0.045 +/- 0.005 | 0.021 +/- 0.003 |
| Au+Au 5-10% | 299 |
0.108 +/- 0.019 | 0.062 +/- 0.007 | 0.019 +/- 0.003 |
0.078 +/- 0.018 | 0.046 +/- 0.006 | 0.019 +/- 0.003 |
| Au+Au 0-5% | 352 |
0.094 +/- 0.008 | 0.049 +/- 0.003 | 0.018 +/- 0.001 |
0.054 +/- 0.007 | 0.026 +/- 0.002 | 0.013 +/- 0.001 |
Note: the Npart values were added by R. Ma on
10/28/2020. For d+Au collisions, the value is taken from Table I of PRC
76 (2007) 054903. For Au+Au collisions, the values for 0-5% to 30-40%
are taken from Table III of PRC 70 (2004) 054907. The value for 40-80%
is extracted from a x-y scan.
Fig.4. Trigger-normalized charged hadron fragmentation function D(zT) with
8 < pTtrig < 15 geV/c.
| | Near side, |Δ φ| < 0.63 D(zT) | Away side, |Δ φ - π| < 0.63 |
| zT |
d+Au | Au+Au 20-40% | Au+Au 0-5% |
d+Au | Au+Au 20-40% | Au+Au 0-5% |
| 0.35 |
0.502 +/- 0.127 | 0.584 +/- 0.080 | 0.787 +/- 0.067 |
1.19 +/- 0.17 | 0.768 +/- 0.083 | 0.409 +/- 0.065 |
| 0.45 |
0.392 +/- 0.099 | 0.434 +/- 0.042 | 0.321 +/- 0.028 |
0.58 +/- 0.12 | 0.385 +/- 0.040 | 0.141 +/- 0.026 |
| 0.55 |
0.192 +/- 0.065 | 0.226 +/- 0.026 | 0.189 +/- 0.015 |
0.40 +/- 0.09 | 0.217 +/- 0.026 | 0.102 +/- 0.013 |
| 0.65 |
0.092 +/- 0.043 | 0.135 +/- 0.018 | 0.102 +/- 0.010 |
0.280 +/- 0.075 | 0.144 +/- 0.018 | 0.070 +/- 0.009 |
| 0.75 |
0.068 +/- 0.037 | 0.076 +/- 0.014 | 0.077 +/- 0.008 |
0.298 +/- 0.077 | 0.128 +/- 0.017 | 0.046 +/- 0.007 |
| 0.85 |
0.071 +/- 0.038 | 0.056 +/- 0.011 | 0.043 +/- 0.006 |
0.116 +/- 0.048 | 0.070 +/- 0.013 | 0.035 +/- 0.005 |
| 0.95 |
| 0.047 +/- 0.010 | 0.046 +/- 0.006 |
0.138 +/- 0.053 | 0.058 +/- 0.011 | 0.023 +/- 0.004 |
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