Review Article

Azimuthally Integrated HBT Parameters for Charged Pions in Nucleus-Nucleus Interactions versus Collision Energy

Table 3

Values of fit parameters for approximation of the data sample (ii).

HBT parameter Fit with statistical errors Fit with total errors
/n.d.f. /n.d.f.

1.21 0.09 −0.30 0.04 0.38 0.04 0.60 ± 0.02 −0.014 ± 0.008 1.3 0.2
0.717 0.003 −0.051 0.001 (fixed) 0.631 ± 0.005 −0.034 ± 0.001 1.0 (fixed)

0.656 0.002 (6 ± 3) 10−5 3.11 0.19 0.63 ± 0.02 (6 5) 10−4 2.4 0.9
0.599 0.003 0.019 0.001 (fixed) 0.56 ± 0.03 0.029 0.008 1.0 (fixed)

0.10 0.02 6.3 1.7 0.068 0.006 0.019 ± 0.003 30 9 0.12 0.05
0.758 0.004 0.008 0.001 (fixed) 0.67 ± 0.04 0.017 0.008 1.0 (fixed)

0.022 0.002 23 3 0.258 0.005 0.23 ± 0.04 0.8 0.2 0.57 0.05
0.634 0.004 0.043 0.001 (fixed) 0.47 ± 0.03 0.089 0.014 1.0 (fixed)