Plots - Dca Distributions

The Following are the results for dca distributions for different pT bins in Pi Minus. The results of dca agrees reasonable for the cut-off of 2 cm and above. These plots were done using the macro plot_dca.C

Event Selection Criteria

    * Production: P06ib
    * Vertex restriction: |x|<3.5cm, |y|<3.5cm, |z|<25.0cm
    * N Fit points >= 25
    * DCA < 3 cm

PiMinus

0.20<pT<0.30
0.30<pT<0.40
0.40<pT<0.50 0.50<pT<0.60

0.60<pT<0.70 0.70<pT<0.80
0.80<pT<0.90
0.90<pT<1.0

PiPlus

0.20<pT<0.30
0.30<pT<0.40
0.40<pT<0.50 0.50<pT<0.60

0.60<pT<0.70 0.70<pT<0.80
0.80<pT<0.90
0.90<pT<1.0

K Minus

0.20<pT<0.30
0.30<pT<0.40
0.40<pT<0.50 0.50<pT<0.60

0.60<pT<0.70 0.70<pT<0.80
0.80<pT<0.90
0.90<pT<1.0

K Plus

0.20<pT<0.30
0.30<pT<0.40
0.40<pT<0.50 0.50<pT<0.60

0.60<pT<0.70 0.70<pT<0.80
0.80<pT<0.90
0.90<pT<1.0

Proton

0.40<pT<0.50
0.50<pT<0.60
0.80<pT<0.90 0.90<pT<1.00

P bar

0.40<pT<0.50
0.50<pT<0.60
0.80<pT<0.90 0.90 < pT < 1.00