STAR Physics Database
Azimuthal anisotropy and correlations in the hard scattering regime at RHIC
C. Adler et al., Phys. Rev. Lett. 90, 032301 (2003).
Fig.2: v2(pT) for different collision centralities.
Only statistical errors are listed. Data measured for all charged particles, |η| < 1.3. Reaction plane measured using particles with pT < 2 GeV/c, |η| < 1. Systematic errors are +5% -20%
Centrality |
pT [GeV/c] (low, high) |
v2 |
31-77% |
0.1250 (0.10,0.15) | 0.0122 +- 0.0024 |
0.1750 (0.15,0.20) | 0.0135 +- 0.0013 |
0.2250 (0.20,0.25) | 0.0234 +- 0.0011 |
0.2750 (0.25,0.30) | 0.0284 +- 0.0011 |
0.3250 (0.30,0.35) | 0.0356 +- 0.0011 |
0.3750 (0.35,0.40) | 0.0438 +- 0.0012 |
0.4250 (0.40,0.45) | 0.0537 +- 0.0012 |
0.4750 (0.45,0.50) | 0.0583 +- 0.0013 |
0.5250 (0.50,0.55) | 0.0675 +- 0.0014 |
0.5750 (0.55,0.60) | 0.0735 +- 0.0014 |
0.6250 (0.60,0.65) | 0.0815 +- 0.0015 |
0.6750 (0.65,0.70) | 0.0890 +- 0.0016 |
0.7250 (0.70,0.75) | 0.0940 +- 0.0017 |
0.7750 (0.75,0.80) | 0.0989 +- 0.0018 |
0.8250 (0.80,0.85) | 0.1090 +- 0.0020 |
0.8750 (0.85,0.90) | 0.1138 +- 0.0021 |
0.9250 (0.90,0.95) | 0.1193 +- 0.0022 |
0.9750 (0.95,1.00) | 0.1199 +- 0.0024 |
1.0250 (1.00,1.05) | 0.1280 +- 0.0025 |
1.0750 (1.05,1.10) | 0.1350 +- 0.0027 |
1.1250 (1.10,1.15) | 0.1393 +- 0.0029 |
1.1750 (1.15,1.20) | 0.1420 +- 0.0031 |
1.2250 (1.20,1.25) | 0.1535 +- 0.0033 |
1.2750 (1.25,1.30) | 0.1525 +- 0.0035 |
1.3250 (1.30,1.35) | 0.1545 +- 0.0038 |
1.3750 (1.35,1.40) | 0.1565 +- 0.0040 |
1.4250 (1.40,1.45) | 0.1681 +- 0.0043 |
1.4750 (1.45,1.50) | 0.1726 +- 0.0046 |
1.5483 (1.50,1.60) | 0.1835 +- 0.0036 |
1.6482 (1.60,1.70) | 0.1881 +- 0.0041 |
1.7485 (1.70,1.80) | 0.1917 +- 0.0047 |
1.8707 (1.80,1.95) | 0.1998 +- 0.0044 |
2.0207 (1.95,2.10) | 0.2103 +- 0.0054 |
2.1711 (2.10,2.25) | 0.2115 +- 0.0065 |
2.3211 (2.25,2.40) | 0.2188 +- 0.0079 |
2.4710 (2.40,2.55) | 0.2290 +- 0.0095 |
2.6639 (2.55,2.80) | 0.2328 +- 0.0094 |
2.9524 (2.80,3.15) | 0.233 +- 0.011 |
3.3180 (3.15,3.55) | 0.241 +- 0.016 |
3.7783 (3.55,4.10) | 0.260 +- 0.022 |
4.4228 (4.10,4.95) | 0.220 +- 0.033 |
5.3379 (4.95,6.00) | 0.234 +- 0.059 |
10-31% |
0.1250 (0.10,0.15) | 0.00623 +- 0.00163 |
0.1750 (0.15,0.20) | 0.00764 +- 0.00086 |
0.2250 (0.20,0.25) | 0.01307 +- 0.00077 |
0.2750 (0.25,0.30) | 0.01940 +- 0.00075 |
0.3250 (0.30,0.35) | 0.02552 +- 0.00075 |
0.3750 (0.35,0.40) | 0.03089 +- 0.00077 |
0.4250 (0.40,0.45) | 0.03629 +- 0.00080 |
0.4750 (0.45,0.50) | 0.04025 +- 0.00083 |
0.5250 (0.50,0.55) | 0.04817 +- 0.00088 |
0.5750 (0.55,0.60) | 0.05297 +- 0.00093 |
0.6250 (0.60,0.65) | 0.05683 +- 0.00098 |
0.6750 (0.65,0.70) | 0.06083 +- 0.00104 |
0.7250 (0.70,0.75) | 0.06658 +- 0.00110 |
0.7750 (0.75,0.80) | 0.0700 +- 0.0012 |
0.8250 (0.80,0.85) | 0.0763 +- 0.0013 |
0.8750 (0.85,0.90) | 0.0797 +- 0.0013 |
0.9250 (0.90,0.95) | 0.0858 +- 0.0014 |
0.9750 (0.95,1.00) | 0.0877 +- 0.0015 |
1.0250 (1.00,1.05) | 0.0930 +- 0.0016 |
1.0750 (1.05,1.10) | 0.0961 +- 0.0017 |
1.1250 (1.10,1.15) | 0.1040 +- 0.0018 |
1.1750 (1.15,1.20) | 0.1042 +- 0.0019 |
1.2250 (1.20,1.25) | 0.1091 +- 0.0021 |
1.2750 (1.25,1.30) | 0.1118 +- 0.0022 |
1.3250 (1.30,1.35) | 0.1160 +- 0.0023 |
1.3750 (1.35,1.40) | 0.1215 +- 0.0025 |
1.4250 (1.40,1.45) | 0.1215 +- 0.0026 |
1.4750 (1.45,1.50) | 0.1236 +- 0.0028 |
1.5484 (1.50,1.60) | 0.1312 +- 0.0022 |
1.6484 (1.60,1.70) | 0.1385 +- 0.0025 |
1.7484 (1.70,1.80) | 0.1382 +- 0.0028 |
1.8708 (1.80,1.95) | 0.1457 +- 0.0027 |
2.0206 (1.95,2.10) | 0.1533 +- 0.0033 |
2.1705 (2.10,2.25) | 0.1541 +- 0.0040 |
2.3212 (2.25,2.40) | 0.1663 +- 0.0049 |
2.4712 (2.40,2.55) | 0.1733 +- 0.0059 |
2.6630 (2.55,2.80) | 0.1694 +- 0.0059 |
2.9496 (2.80,3.15) | 0.1825 +- 0.0071 |
3.3220 (3.15,3.55) | 0.170 +- 0.010 |
3.7698 (3.55,4.10) | 0.167 +- 0.014 |
4.4277 (4.10,4.95) | 0.167 +- 0.022 |
5.3355 (4.95,6.00) | 0.171 +- 0.042 |
0-10% |
0.1250 (0.10,0.15) | -0.00041 +- 0.00078 |
0.1750 (0.15,0.20) | -0.00019 +- 0.00041 |
0.2250 (0.20,0.25) | 0.00246 +- 0.00036 |
0.2750 (0.25,0.30) | 0.00533 +- 0.00035 |
0.3250 (0.30,0.35) | 0.00912 +- 0.00035 |
0.3750 (0.35,0.40) | 0.01171 +- 0.00036 |
0.4250 (0.40,0.45) | 0.01599 +- 0.00037 |
0.4750 (0.45,0.50) | 0.01890 +- 0.00039 |
0.5250 (0.50,0.55) | 0.02145 +- 0.00041 |
0.5750 (0.55,0.60) | 0.02414 +- 0.00043 |
0.6250 (0.60,0.65) | 0.02746 +- 0.00045 |
0.6750 (0.65,0.70) | 0.02988 +- 0.00048 |
0.7250 (0.70,0.75) | 0.03288 +- 0.00051 |
0.7750 (0.75,0.80) | 0.03507 +- 0.00054 |
0.8250 (0.80,0.85) | 0.03754 +- 0.00057 |
0.8750 (0.85,0.90) | 0.03993 +- 0.00061 |
0.9250 (0.90,0.95) | 0.04176 +- 0.00065 |
0.9750 (0.95,1.00) | 0.04426 +- 0.00069 |
1.0250 (1.00,1.05) | 0.04667 +- 0.00073 |
1.0750 (1.05,1.10) | 0.04835 +- 0.00078 |
1.1250 (1.10,1.15) | 0.05135 +- 0.00083 |
1.1750 (1.15,1.20) | 0.05318 +- 0.00088 |
1.2250 (1.20,1.25) | 0.05602 +- 0.00094 |
1.2750 (1.25,1.30) | 0.0550 +- 0.0010 |
1.3250 (1.30,1.35) | 0.0559 +- 0.0011 |
1.3750 (1.35,1.40) | 0.0621 +- 0.0011 |
1.4250 (1.40,1.45) | 0.0628 +- 0.0012 |
1.4750 (1.45,1.50) | 0.0647 +- 0.0013 |
1.5483 (1.50,1.60) | 0.0675 +- 0.0010 |
1.6484 (1.60,1.70) | 0.0696 +- 0.0012 |
1.7484 (1.70,1.80) | 0.0761 +- 0.0013 |
1.8706 (1.80,1.95) | 0.0760 +- 0.0013 |
2.0206 (1.95,2.10) | 0.0835 +- 0.0015 |
2.1706 (2.10,2.25) | 0.0889 +- 0.0019 |
2.3207 (2.25,2.40) | 0.0875 +- 0.0023 |
2.4707 (2.40,2.55) | 0.0899 +- 0.0028 |
2.6620 (2.55,2.80) | 0.0942 +- 0.0028 |
2.9509 (2.80,3.15) | 0.1005 +- 0.0034 |
3.3202 (3.15,3.55) | 0.1028 +- 0.0049 |
3.7736 (3.55,4.10) | 0.1014 +- 0.0071 |
4.4197 (4.10,4.95) | 0.100 +- 0.011 |
5.3467 (4.95,6.00) | 0.083 +- 0.022 |
Fig.3: v2(pT) for minimum bias events.
Only statistical errors are listed. Data measured for all charged particles, |η| < 1.3. Reaction plane measured using particles with pT < 2 GeV/c, |η| < 1. Systematic errors are +5% -20%.
pT [GeV/c] (low, high) |
v2 |
0.1250 (0.10,0.15) | 0.0047 +- 0.0013 |
0.1750 (0.15,0.20) | 0.00631 +- 0.00066 |
0.2250 (0.20,0.25) | 0.01289 +- 0.00059 |
0.2750 (0.25,0.30) | 0.01730 +- 0.00058 |
0.3250 (0.30,0.35) | 0.02280 +- 0.00058 |
0.3750 (0.35,0.40) | 0.02833 +- 0.00059 |
0.4250 (0.40,0.45) | 0.03382 +- 0.00062 |
0.4750 (0.45,0.50) | 0.03785 +- 0.00065 |
0.5250 (0.50,0.55) | 0.04385 +- 0.00068 |
0.5750 (0.55,0.60) | 0.04737 +- 0.00072 |
0.6250 (0.60,0.65) | 0.05301 +- 0.00076 |
0.6750 (0.65,0.70) | 0.05760 +- 0.00081 |
0.7250 (0.70,0.75) | 0.06167 +- 0.00086 |
0.7750 (0.75,0.80) | 0.06480 +- 0.00091 |
0.8250 (0.80,0.85) | 0.07062 +- 0.00097 |
0.8750 (0.85,0.90) | 0.0742 +- 0.0010 |
0.9250 (0.90,0.95) | 0.0780 +- 0.0011 |
0.9750 (0.95,1.00) | 0.0807 +- 0.0012 |
1.0250 (1.00,1.05) | 0.0844 +- 0.0012 |
1.0750 (1.05,1.10) | 0.0889 +- 0.0013 |
1.1250 (1.10,1.15) | 0.0929 +- 0.0014 |
1.1750 (1.15,1.20) | 0.0966 +- 0.0015 |
1.2250 (1.20,1.25) | 0.0997 +- 0.0016 |
1.2750 (1.25,1.30) | 0.0998 +- 0.0017 |
1.3250 (1.30,1.35) | 0.1049 +- 0.0018 |
1.3750 (1.35,1.40) | 0.1058 +- 0.0020 |
1.4250 (1.40,1.45) | 0.1105 +- 0.0021 |
1.4750 (1.45,1.50) | 0.1121 +- 0.0022 |
1.5484 (1.50,1.60) | 0.1177 +- 0.0017 |
1.6484 (1.60,1.70) | 0.1248 +- 0.0020 |
1.7484 (1.70,1.80) | 0.1272 +- 0.0022 |
1.8707 (1.80,1.95) | 0.1362 +- 0.0021 |
2.0207 (1.95,2.10) | 0.1408 +- 0.0026 |
2.1706 (2.10,2.25) | 0.1438 +- 0.0032 |
2.3209 (2.25,2.40) | 0.1482 +- 0.0039 |
2.4710 (2.40,2.55) | 0.1545 +- 0.0046 |
2.6628 (2.55,2.80) | 0.1594 +- 0.0046 |
2.9512 (2.80,3.15) | 0.1696 +- 0.0056 |
3.3205 (3.15,3.55) | 0.1595 +- 0.0080 |
3.7728 (3.55,4.10) | 0.170 +- 0.011 |
4.4251 (4.10,4.95) | 0.159 +- 0.017 |
5.3349 (4.95,6.00) | 0.172 +- 0.030 |
Fig.4: Azimuthal correlation functions 1/Ntrigger dN/d(Δφ)
Only statistical errors are listed. Data measured in 10% most central collisions. Trigger particle required to have 4 GeV/c < pT < 6 GeV/c, associated particle has 2 GeV/c < pT < trigger pT. All particles have
|η| < 0.7. Fourth column is the second minus the third.
Δ φ [radians] |
|Δ η| < 0.5 |
0.5 < |Δ η| < 1.4 |
Difference |
-2.99 | 0.626 +- 0.013 | 0.653 +- 0.016 | -0.027 +- 0.020 |
-2.69 | 0.630 +- 0.013 | 0.664 +- 0.016 | -0.034 +- 0.021 |
-2.39 | 0.643 +- 0.013 | 0.615 +- 0.015 | 0.027 +- 0.020 |
-2.09 | 0.631 +- 0.013 | 0.626 +- 0.016 | 0.005 +- 0.020 |
-1.80 | 0.627 +- 0.013 | 0.621 +- 0.016 | 0.006 +- 0.020 |
-1.50 | 0.623 +- 0.013 | 0.636 +- 0.016 | -0.013 +- 0.020 |
-1.20 | 0.625 +- 0.013 | 0.624 +- 0.016 | 0.001 +- 0.020 |
-0.90 | 0.616 +- 0.013 | 0.614 +- 0.015 | 0.003 +- 0.020 |
-0.60 | 0.641 +- 0.013 | 0.626 +- 0.016 | 0.015 +- 0.020 |
-0.30 | 0.676 +- 0.013 | 0.636 +- 0.016 | 0.040 +- 0.021 |
0.00 | 0.737 +- 0.014 | 0.660 +- 0.016 | 0.076 +- 0.021 |
0.30 | 0.687 +- 0.013 | 0.656 +- 0.016 | 0.031 +- 0.021 |
0.60 | 0.674 +- 0.013 | 0.668 +- 0.016 | 0.006 +- 0.021 |
0.90 | 0.636 +- 0.013 | 0.624 +- 0.016 | 0.012 +- 0.020 |
1.20 | 0.616 +- 0.013 | 0.602 +- 0.015 | 0.015 +- 0.020 |
1.50 | 0.607 +- 0.012 | 0.612 +- 0.015 | -0.005 +- 0.020 |
1.80 | 0.627 +- 0.013 | 0.646 +- 0.016 | -0.019 +- 0.020 |
2.09 | 0.638 +- 0.013 | 0.641 +- 0.016 | -0.003 +- 0.020 |
2.39 | 0.625 +- 0.013 | 0.622 +- 0.016 | 0.003 +- 0.020 |
2.69 | 0.654 +- 0.013 | 0.636 +- 0.016 | 0.017 +- 0.020 |
2.99 | 0.628 +- 0.013 | 0.647 +- 0.016 | -0.019 +- 0.020 |
James Dunlop
Last modified: Fri Jan.3 12:25 EDT 2002