Forward Lambda Production and Nuclear Stopping Power in d+Au Collisions at sqrt(sNN) = 200 GeV
B.I. Abelev et al, Phys. Rev. C 76 (2007) 64904
Figure 1
Data points for the invariant mass distributions are given in this text file.
Figure 2
Lambda FTPC-d
pt [GeV/c] |
1/pt d2N/dydpt [GeV-2c2] |
stat. error [GeV-2c2] |
0.604 | 0.11304 | 0.00304 |
0.84 | 0.0671 | 0.0015 |
1.13 | 0.0297 | 0.00089 |
1.56 | 0.00776 | 0.00026 |
Anti-Lambda FTPC-d
pt [GeV/c] |
1/pt d2N/dydpt [GeV-2c2] |
stat. error [GeV-2c2] |
0.604 | 0.0617 | 0.00228 |
0.84 | 0.0354 | 0.00110 |
1.13 | 0.0159 | 0.00063 |
1.56 | 0.00422 | 0.00018 |
Lambda FTPC-Au
pt [GeV/c] |
1/pt d2N/dydpt [GeV-2c2] |
stat. error [GeV-2c2] |
0.84 | 0.124 | 0.00336 |
1.13 | 0.0573 | 0.00205 |
1.56 | 0.0157 | 0.00063 |
Anti-Lambda FTPC-Au
pt [GeV/c] |
1/pt d2N/dydpt [GeV-2c2] |
stat. error [GeV-2c2] |
0.84 | 0.0783 | 0.00254 |
1.13 | 0.0337 | 0.00144 |
1.56 | 0.00857 | 0.00041 |
Figure 3
a): Anti-Lambda
y | dN/dy | stat. error | syst. error |
-2.75 | 0.072 | 0.002 | 0.022 |
2.75 | 0.035 | 0.001 | +0.006 -0.005 |
b): Net-Lambda
y | dN/dy | stat. error | syst. error |
-2.75 | 0.046 | 0.004 | 0.006 |
2.75 | 0.032 | 0.002 | 0.004 |
Figure 4
Anti-Lambda peripheral (40%-100%)
y | dN/dy | stat. error | syst. error |
-2.75 | 0.031 | 0.002 | 0.009 |
2.75 | 0.025 | 0.001 | 0.004 |
Net-Lambda peripheral (40%-100%)
y | dN/dy | stat. error | syst. error |
-2.75 | 0.017 | 0.003 | 0.003 |
2.75 | 0.020 | 0.002 | 0.003 |
Anti-Lambda mid-central (20%-40%)
y | dN/dy | stat. error | syst. error |
-2.75 | 0.096 | 0.005 | 0.029 |
2.75 | 0.047 | 0.002 | +0.009 -0.007 |
Net-Lambda mid-central (20%-40%)
y | dN/dy | stat. error | syst. error |
-2.75 | 0.067 | 0.009 | 0.009 |
2.75 | 0.047 | 0.004 | 0.006 |
Anti-Lambda central (0%-20%)
y | dN/dy | stat. error | syst. error |
-2.75 | 0.176 | 0.010 | 0.054 |
2.75 | 0.054 | 0.002 | +0.010 -0.008 |
Net-Lambda central (0%-20%)
y | dN/dy | stat. error | syst. error |
-2.75 | 0.118 | 0.020 | 0.015 |
2.75 | 0.052 | 0.004 | 0.007 |
Figure 5
y | Anti-Lambda/Lambda | stat. error | syst. error |
-2.75 | 0.61 | 0.03 | 0.05 |
2.75 | 0.52 | 0.02 | 0.04 |
Figure 6
deuteron side (y = 2.75)
n_coll/n_part,d | Anti-Lambda/Lambda | stat. error | syst. error |
3.0 | 0.56 | 0.03 | 0.05 |
5.6 | 0.50 | 0.03 | 0.05 |
7.5 | 0.51 | 0.02 | 0.05 |
n_coll/n_part,d | Anti-Lambda dN/dy | stat. error | syst. error |
3.0 | 0.025 | 0.001 | +0.010 -0.008 |
5.6 | 0.047 | 0.002 | +0.009 -0.007 |
7.5 | 0.054 | 0.002 | 0.004 |
n_coll/n_part,d | Net Lambda dN/dy | stat. error | syst. error |
3.0 | 0.020 | 0.002 | 0.003 |
5.6 | 0.047 | 0.004 | 0.006 |
7.5 | 0.052 | 0.004 | 0.007 |
gold side (y = -2.75)
n_part,Au | Anti-Lambda/Lambda | stat. error | syst. error |
3.7 | 0.65 | 0.05 | 0.05 |
9.3 | 0.59 | 0.04 | 0.05 |
13.7 | 0.60 | 0.05 | 0.05 |
n_part,Au | Anti-Lambda dN/dy | stat. error | syst. error |
3.7 | 0.031 | 0.002 | 0.009 |
9.3 | 0.096 | 0.005 | 0.029 |
13.7 | 0.176 | 0.010 | 0.054 |
n_part,Au | Net Lambda dN/dy | stat. error | syst. error |
3.7 | 0.017 | 0.003 | 0.003 |
9.3 | 0.067 | 0.009 | 0.009 |
13.7 | 0.118 | 0.020 | 0.015 |
Figure 7
centrality | y | Net Lambda dN/dy | stat. error | syst. error |
40%-100% | -2.75 | 0.017 | 0.003 | 0.003 |
20%-40% | -2.75 | 0.067 | 0.009 | 0.009 |
0%-20% | -2.75 | 0.118 | 0.020 | 0.015 |
40%-100% | 2.75 | 0.020 | 0.002 | 0.003 |
20%-40% | 2.75 | 0.047 | 0.004 | 0.006 |
0%-20% | 2.75 | 0.052 | 0.004 | 0.007 |