Experimental studies of di-jets in Au + Au collisions using
angular correlations with respect to back-to-back leading hadrons
arXiv: 1212.1653
Figure 8
Near-side Δ φ |
1/Ntrig dN/dΔφ |
stat error |
1/Ntrig dN/dΔφ |
stat error |
Away-side Δ φ |
1/Ntrig dN/dΔφ |
stat error |
1/Ntrig dN/dΔφ |
stat error |
|
d+Au |
|
Au+Au |
|
|
d+Au |
|
Au+Au |
|
-1.46608 |
0.0173009 |
0.0225929 |
-0.134395 |
0.227054 |
-1.46608 |
-0.0154831 |
0.0218297 |
0.0342789 |
0.230703 |
-1.25664 |
0.0500138 |
0.0229175 |
-0.0979654 |
0.228452 |
-1.25664 |
-0.00302005 |
0.0223932 |
0.379603 |
0.233581 |
-1.0472 |
0.00636583 |
0.0221931 |
0.312915 |
0.229767 |
-1.0472 |
0.0924132 |
0.0238875 |
0.11681 |
0.231745 |
-0.837758 |
0.0930386 |
0.0238871 |
-0.0265428 |
0.229529 |
-0.837758 |
0.100962 |
0.0240613 |
0.248504 |
0.234357 |
-0.628318 |
0.176745 |
0.0248031 |
0.0224279 |
0.230072 |
-0.628318 |
0.304095 |
0.0273189 |
0.0552308 |
0.233972 |
-0.418879 |
0.512416 |
0.0294239 |
0.667389 |
0.233799 |
-0.418879 |
0.727332 |
0.0325209 |
0.997882 |
0.238717 |
-0.209439 |
1.54625 |
0.0394629 |
2.19347 |
0.240286 |
-0.209439 |
2.34259 |
0.047443 |
2.24471 |
0.244561 |
2.5e-07 |
3.63755 |
0.0771704 |
3.85818 |
0.345468 |
2.5e-07 |
4.14121 |
0.0833449 |
3.71165 |
0.350065 |
0.20944 |
1.54625 |
0.0394629 |
2.19347 |
0.240286 |
0.20944 |
2.34259 |
0.047443 |
2.24471 |
0.244561 |
0.418879 |
0.512416 |
0.0294239 |
0.667389 |
0.233799 |
0.418879 |
0.727332 |
0.0325209 |
0.997882 |
0.238717 |
0.628319 |
0.176745 |
0.0248031 |
0.0224279 |
0.230072 |
0.628319 |
0.304095 |
0.0273189 |
0.0552308 |
0.233972 |
0.837758 |
0.0930386 |
0.0238871 |
-0.0265428 |
0.229529 |
0.837758 |
0.100962 |
0.0240613 |
0.248504 |
0.234357 |
1.0472 |
0.00636583 |
0.0221931 |
0.312915 |
0.229767 |
1.0472 |
0.0924132 |
0.0238875 |
0.11681 |
0.231745 |
1.25664 |
0.0500138 |
0.0229175 |
-0.0979654 |
0.228452 |
1.25664 |
-0.00302005 |
0.0223932 |
0.379603 |
0.233581 |
1.46608 |
0.0173009 |
0.0225929 |
-0.134395 |
0.227054 |
1.46608 |
-0.0154831 |
0.0218297 |
0.0342789 |
0.230703 |
Near-side Δ η |
1/Ntrig dN/dΔη |
stat error |
1/Ntrig dN/dΔη |
stat error |
Away-side Δ η |
1/Ntrig dN/dΔη |
stat error |
1/Ntrig dN/dΔη |
stat error |
|
d+Au |
|
Au+Au |
|
|
d+Au |
|
Au+Au |
|
-1 |
0.0562296 |
0.0307561 |
0.0430055 |
0.304244 |
-1 |
0.124262 |
0.0328115 |
-0.0428006 |
0.300588 |
-0.866667 |
0.0909098 |
0.0293392 |
0.167451 |
0.279919 |
-0.866667 |
0.156843 |
0.0312891 |
-0.0983773 |
0.278087 |
-0.733333 |
0.0633031 |
0.0263467 |
-0.0671876 |
0.259367 |
-0.733333 |
0.217733 |
0.0309789 |
-0.135005 |
0.261258 |
-0.6 |
0.142264 |
0.0268058 |
0.471921 |
0.246426 |
-0.6 |
0.407695 |
0.033802 |
0.378804 |
0.250907 |
-0.466667 |
0.369275 |
0.030522 |
0.401005 |
0.233152 |
-0.466667 |
0.547572 |
0.034882 |
0.378794 |
0.239635 |
-0.333333 |
0.689415 |
0.0345259 |
0.807189 |
0.224233 |
-0.333333 |
1.04345 |
0.0414513 |
0.88632 |
0.233786 |
-0.2 |
1.59968 |
0.0457369 |
1.82532 |
0.223418 |
-0.2 |
2.10784 |
0.0529317 |
2.61683 |
0.235261 |
-0.0666667 |
3.34745 |
0.0625395 |
4.35182 |
0.236728 |
-0.0666667 |
3.96312 |
0.0679583 |
4.36552 |
0.237462 |
0.0666667 |
3.34745 |
0.0625395 |
4.35182 |
0.236728 |
0.0666667 |
3.96312 |
0.0679583 |
4.36552 |
0.237462 |
0.2 |
1.59968 |
0.0457369 |
1.82532 |
0.223418 |
0.2 |
2.10784 |
0.0529317 |
2.61683 |
0.235261 |
0.333333 |
0.689415 |
0.0345259 |
0.807189 |
0.224233 |
0.333333 |
1.04345 |
0.0414513 |
0.88632 |
0.233786 |
0.466667 |
0.369275 |
0.030522 |
0.401005 |
0.233152 |
0.466667 |
0.547572 |
0.034882 |
0.378794 |
0.239635 |
0.6 |
0.142264 |
0.0268058 |
0.471921 |
0.246426 |
0.6 |
0.407695 |
0.033802 |
0.378804 |
0.250907 |
0.733333 |
0.0633031 |
0.0263467 |
-0.0671876 |
0.259367 |
0.733333 |
0.217733 |
0.0309789 |
-0.135005 |
0.261258 |
0.866667 |
0.0909098 |
0.0293392 |
0.167451 |
0.279919 |
0.866667 |
0.156843 |
0.0312891 |
-0.0983773 |
0.278087 |
1 |
0.0562296 |
0.0307561 |
0.0430055 |
0.304244 |
1 |
0.124262 |
0.0328115 |
-0.0428006 |
0.300588 |
Near-side spectra |
1/Ntrig dN/pT dpT
[(GeV/c)-2] |
stat error |
1/Ntrig dN/pT dpT
[(GeV/c)-2] |
stat error |
Away-side spectra |
1/Ntrig dN/pT dpT
[(GeV/c)-2] |
stat error |
1/Ntrig dN/pT dpT
[(GeV/c)-2] |
stat error |
|
d+Au |
|
Au+Au |
|
|
d+Au |
|
Au+Au |
|
1.25 |
3.32845 |
0.106938 |
4.26439 |
0.695179 |
1.25 |
4.26378 |
0.119053 |
4.89191 |
0.714883 |
1.75 |
1.76891 |
0.0591369 |
1.90992 |
0.273591 |
1.75 |
2.31103 |
0.067699 |
2.73164 |
0.286194 |
2.25 |
0.956722 |
0.0366667 |
1.10587 |
0.121815 |
2.25 |
1.27786 |
0.0428261 |
1.59722 |
0.130853 |
2.75 |
0.561811 |
0.0248963 |
0.562361 |
0.0601422 |
2.75 |
0.75521 |
0.0293155 |
0.845346 |
0.0670301 |
3.25 |
0.30323 |
0.0166742 |
0.351078 |
0.0350643 |
3.25 |
0.500601 |
0.0217713 |
0.403157 |
0.0373064 |
3.75 |
0.195053 |
0.0123872 |
0.2191 |
0.0228949 |
3.75 |
0.322836 |
0.0162264 |
0.236968 |
0.0239874 |
Figure 9
Near-side Δ φ |
1/Ntrig dN/dΔφ |
stat error |
1/Ntrig dN/dΔφ |
stat error |
Away-side Δ φ |
1/Ntrig dN/dΔφ |
stat error |
1/Ntrig dN/dΔφ |
stat error |
|
d+Au |
|
Au+Au |
|
|
d+Au |
|
Au+Au |
|
-1.46608 |
-0.0207942 |
0.0242288 |
0.355898 |
0.225652 |
-1.46608 |
-0.0149983 |
0.0241179 |
-0.084264 |
0.226632 |
-1.25664 |
-0.0232261 |
0.0241072 |
-0.575852 |
0.220674 |
-1.25664 |
0.0943372 |
0.0268136 |
-0.361209 |
0.226097 |
-1.0472 |
0.064336 |
0.026183 |
0.151867 |
0.224262 |
-1.0472 |
0.101129 |
0.0268164 |
-0.547546 |
0.224663 |
-0.837758 |
0.0803086 |
0.0264394 |
-0.509335 |
0.223105 |
-0.837758 |
0.183083 |
0.028793 |
-0.0619269 |
0.228047 |
-0.628318 |
0.162237 |
0.0281545 |
0.0383577 |
0.22518 |
-0.628318 |
0.363889 |
0.0320545 |
0.378766 |
0.230945 |
-0.418879 |
0.403272 |
0.0319209 |
0.303142 |
0.227375 |
-0.418879 |
0.921585 |
0.0401056 |
0.935336 |
0.233542 |
-0.209439 |
1.4293 |
0.0442647 |
0.858548 |
0.229544 |
-0.209439 |
2.68937 |
0.0571646 |
2.91316 |
0.242453 |
2.5e-07 |
3.93169 |
0.0916514 |
3.79396 |
0.338667 |
2.5e-07 |
5.06065 |
0.104136 |
4.11288 |
0.34505 |
0.20944 |
1.4293 |
0.0442647 |
0.858548 |
0.229544 |
0.20944 |
2.68937 |
0.0571646 |
2.91316 |
0.242453 |
0.418879 |
0.403272 |
0.0319209 |
0.303142 |
0.227375 |
0.418879 |
0.921585 |
0.0401056 |
0.935336 |
0.233542 |
0.628319 |
0.162237 |
0.0281545 |
0.0383577 |
0.22518 |
0.628319 |
0.363889 |
0.0320545 |
0.378766 |
0.230945 |
0.837758 |
0.0803086 |
0.0264394 |
-0.509335 |
0.223105 |
0.837758 |
0.183083 |
0.028793 |
-0.0619269 |
0.228047 |
1.0472 |
0.064336 |
0.026183 |
0.151867 |
0.224262 |
1.0472 |
0.101129 |
0.0268164 |
-0.547546 |
0.224663 |
1.25664 |
-0.0232261 |
0.0241072 |
-0.575852 |
0.220674 |
1.25664 |
0.0943372 |
0.0268136 |
-0.361209 |
0.226097 |
1.46608 |
-0.0207942 |
0.0242288 |
0.355898 |
0.225652 |
1.46608 |
-0.0149983 |
0.0241179 |
-0.084264 |
0.226632 |
Near-side Δ η |
1/Ntrig dN/dΔη |
stat error |
1/Ntrig dN/dΔη |
stat error |
Away-side Δ η |
1/Ntrig dN/dΔη |
stat error |
1/Ntrig dN/dΔη |
stat error |
|
d+Au |
|
Au+Au |
|
|
d+Au |
|
Au+Au |
|
-1 |
0.100125 |
0.0366428 |
-0.217801 |
0.295876 |
-1 |
0.182061 |
0.0389922 |
0.326361 |
0.297795 |
-0.866667 |
0.0592749 |
0.0326021 |
-0.918374 |
0.268123 |
-0.866667 |
0.258233 |
0.0384511 |
0.0920968 |
0.274179 |
-0.733333 |
0.0544972 |
0.0297712 |
0.470455 |
0.255773 |
-0.733333 |
0.326271 |
0.0382492 |
0.188845 |
0.258035 |
-0.6 |
0.164996 |
0.0312065 |
-0.040763 |
0.236653 |
-0.6 |
0.360401 |
0.0368749 |
0.458068 |
0.247216 |
-0.466667 |
0.335283 |
0.0339991 |
0.132588 |
0.225035 |
-0.466667 |
0.608934 |
0.0406456 |
0.659561 |
0.235488 |
-0.333333 |
0.598567 |
0.0379216 |
0.887718 |
0.219616 |
-0.333333 |
1.26144 |
0.0507734 |
1.55587 |
0.231695 |
-0.2 |
1.40343 |
0.0498674 |
0.930473 |
0.214669 |
-0.2 |
2.57077 |
0.0660909 |
2.41605 |
0.228856 |
-0.0666667 |
3.52755 |
0.0737431 |
3.90461 |
0.231771 |
-0.0666667 |
4.66707 |
0.084386 |
4.16143 |
0.233517 |
0.0666667 |
3.52755 |
0.0737431 |
3.90461 |
0.231771 |
0.0666667 |
4.66707 |
0.084386 |
4.16143 |
0.233517 |
0.2 |
1.40343 |
0.0498674 |
0.930473 |
0.214669 |
0.2 |
2.57077 |
0.0660909 |
2.41605 |
0.228856 |
0.333333 |
0.598567 |
0.0379216 |
0.887718 |
0.219616 |
0.333333 |
1.26144 |
0.0507734 |
1.55587 |
0.231695 |
0.466667 |
0.335283 |
0.0339991 |
0.132588 |
0.225035 |
0.466667 |
0.608934 |
0.0406456 |
0.659561 |
0.235488 |
0.6 |
0.164996 |
0.0312065 |
-0.040763 |
0.236653 |
0.6 |
0.360401 |
0.0368749 |
0.458068 |
0.247216 |
0.733333 |
0.0544972 |
0.0297712 |
0.470455 |
0.255773 |
0.733333 |
0.326271 |
0.0382492 |
0.188845 |
0.258035 |
0.866667 |
0.0592749 |
0.0326021 |
-0.918374 |
0.268123 |
0.866667 |
0.258233 |
0.0384511 |
0.0920968 |
0.274179 |
1 |
0.100125 |
0.0366428 |
-0.217801 |
0.295876 |
1 |
0.182061 |
0.0389922 |
0.326361 |
0.297795 |
Near-side spectra |
1/Ntrig dN/pT dpT
[(GeV/c)-2] |
stat error |
1/Ntrig dN/pT dpT
[(GeV/c)-2] |
stat error |
Away-side spectra |
1/Ntrig dN/pT dpT
[(GeV/c)-2] |
stat error |
1/Ntrig dN/pT dpT
[(GeV/c)-2] |
stat error |
|
d+Au |
|
Au+Au |
|
|
d+Au |
|
Au+Au |
|
1.25 |
3.07422 |
0.119124 |
2.66481 |
0.671438 |
1.25 |
4.97666 |
0.14395 |
5.00989 |
0.697888 |
1.75 |
1.6286 |
0.0655576 |
1.3892 |
0.263679 |
1.75 |
2.65784 |
0.0825774 |
3.29305 |
0.285057 |
2.25 |
0.870654 |
0.0403556 |
0.733737 |
0.115114 |
2.25 |
1.48342 |
0.0528116 |
1.40861 |
0.12739 |
2.75 |
0.614869 |
0.0299052 |
0.617294 |
0.0610867 |
2.75 |
0.96186 |
0.0379364 |
0.713618 |
0.0647044 |
3.25 |
0.3474 |
0.020506 |
0.308381 |
0.0341097 |
3.25 |
0.584854 |
0.0270571 |
0.497597 |
0.0407064 |
3.75 |
0.210137 |
0.0147892 |
0.201883 |
0.0227462 |
3.75 |
0.401187 |
0.0208077 |
0.26226 |
0.0256983 |
Figure 10
Primary trigger 5 < pT < 10 GeV/c |
|
|
|
|
Lower threshold of pTassoc (GeV/c)
|
Δ(Σ ET)Au+Au - Δ(Σ ET)d+Au
|
stat and sys error |
|
|
1.5 |
-0.06 |
0.5 |
|
Primary trigger 8 < ET < 10 GeV |
|
|
|
|
Lower threshold of pTassoc (GeV/c)
|
Δ(Σ ET)Au+Au - Δ(Σ ET)d+Au
|
stat error |
sys error down |
sys error up |
1.0 |
0.71 |
0.378 |
0.049 |
0.235 |
1.5 |
0.687 |
0.277 |
0.037 |
0.224 |
2.0 |
0.797 |
0.206 |
0.030 |
0.235 |
2.5 |
0.904 |
0.166 |
0.041 |
0.253 |
Primary trigger 10 < ET < 15 GeV |
|
|
|
|
Lower threshold of pTassoc (GeV/c)
|
Δ(Σ ET)Au+Au - Δ(Σ ET)d+Au
|
stat error |
sys error down |
sys error up |
1.0 |
0.931 |
0.394 |
0.146 |
0.321 |
1.5 |
1.008 |
0.285 |
0.109 |
0.280 |
2.0 |
1.218 |
0.214 |
0.075 |
0.242 |
2.5 |
1.349 |
0.177 |
0.066 |
0.264 |
Figure 11
Primary trigger 5 < pT < 10 GeV/c |
|
|
Npart |
Di-jet Id+AuAu+Au |
stat and sys error |
20 |
0.854 |
0.203 |
62 |
0.768 |
0.164 |
141 |
0.444 |
0.104 |
295 |
0.241 |
0.057 |
315 |
0.201 |
0.050 |
Primary trigger 8 < ET < 10 GeV/c |
|
|
Npart |
Di-jet Id+AuAu+Au |
stat and sys error |
295 |
0.262 |
0.052 |
Primary trigger 10 < ET < 15 GeV/c |
|
|
Npart |
Di-jet Id+AuAu+Au |
stat and sys error |
295 |
0.317 |
0.063 |
Prediction of core/corona model |
|
|
Npart |
Di-jet Id+AuAu+Au |
stat and sys error |
5.2 |
0.8 |
0.2 |
12.5 |
0.795 |
0.205 |
25.9 |
0.76 |
0.19 |
46.3 |
0.65 |
0.12 |
76 |
0.575 |
0.095 |
118 |
0.505 |
0.075 |
170 |
0.435 |
0.065 |
238 |
0.395 |
0.055 |
329 |
0.35 |
0.05 |
For any
questions please contact STAR Physics Analysis Coordinator : Xin
Dong - XDong@lbl.gov