Updated PID with photon/pi0 recognition by M2x at high-pt

[u/mrichter/AliRoot.git] / PHOS / Parameters.dat

diff --git a/PHOS/Parameters.dat b/PHOS/Parameters.dat
index 2ac9aa0b483e3dc7822a820070d52203288c4416..9fe5a41737f9c690a9bd115420981302e07ae1c2 100644 (file)
--- a/PHOS/Parameters.dat
+++ b/PHOS/Parameters.dat
@@ -1,14 +1,38 @@
+! Energy calibration
+! [0] + [1]*E + [2]*E^2
+! [0]       [1]        [2]
 0.0241    1.0504    0.000249    0.0 
-0.64     0.44      0.30        0.0
-0.54      0.14      0.42        0.0
+
+! CPV rectangular cut
+! [0] + e^([1] - E * [2])
+! [0]      [1]       [2]
+0.64     0.44      0.30        0.0   ! x axis
+0.54      0.14      0.42        0.0   ! z axis
+
+! TOF cut
+!LP-HE     MP-ME     HP-LE
 1.7e-8    1.7e-8    1.65e-8     0.0    
-0.520    8.4e-3    -6.0e-5     0.235
-0.469     8.3e-3    -5.6e-5     0.522
-0.36      1.4e-2    -8.0e-5     -0.99
--0.747    1.91e-2   4.0e-6      1.49 
-0.91      -3.03e-2  1.08e-4     1.03 
-0.9503    7.586e-3  -7.133e-5   0.0
-3.363     -0.0411   1.709e-4    0.0
-0.361     0.0       0.0         0.0
--6.124    0.1144    -3.832e-4   0.0
-4.68      -0.0905   3.797e-4    0.0
+
+! Photon PCA ellipse parameters
+! [0]/sqrt(E) + [1]*E + [2]*E^2 + [3]
+! [0]       [1]        [2]       [3]
+0.520    8.4e-3    -6.0e-5     0.235 ! a
+0.469     8.3e-3    -5.6e-5     0.522 ! b
+0.36      1.4e-2    -8.0e-5     -0.99 ! c
+-0.747    1.91e-2   4.0e-6      1.49  ! x0
+0.91      -3.03e-2  1.08e-4     1.03  ! y0
+
+! Pi0 PCA ellipse parameters:
+! [0] + [1]*E + [2]*E^2
+! [0]       [1]        [2]
+0.9503    7.586e-3  -7.133e-5   0.0   ! a
+3.363     -0.0411   1.709e-4    0.0   ! b
+0.361     0.0       0.0         0.0   ! c
+-6.124    0.1144    -3.832e-4   0.0   ! x0
+4.68      -0.0905   3.797e-4    0.0   ! y0
+
+! Hard photon M2x-boundary parameters:
+0.17      54.1      9.0         1.28
+
+! Hard pi0 M2x-boundary parameters:
+1.50      0.0012    0.0         0.0