Study of the Positron Reconstruction

Zelimir Djurcic

1) No Cuts:

KE(e+) = 0 MeV (positrons generated with 0 kinetic energy):

(Fig.1)

(Fig.2)

(Fig.3)

KE(e+) = 0.1 MeV (positrons generated with 0.1 MeV kinetic energy):

(Fig.4)

(Fig.5)

(Fig.6)

KE(e+) = 1.0 MeV (positrons generated with 1.0 MeV kinetic energy):

(Fig.7)

(Fig.8)

(Fig.9)

KE(e+) = 2.0 MeV (positrons generated with 2.0 MeV kinetic energy):

(Fig.10)

(Fig.11)

(Fig.12)

KE(e+) = 4.0 MeV (positrons generated with 4.0 MeV kinetic energy):

(Fig.13)

(Fig.14)

(Fig.15)

KE(e+) = 8.0 MeV (positrons generated with 8.0 MeV kinetic energy):

(Fig.16)

(Fig.17)

(Fig.18)

2) R(TRUE)<50 cm

KE(e+) = 0:

(Fig.19)

KE(e+) = 0.1 MeV:

(Fig.20)

KE(e+) = 1.0 MeV:

(Fig.21)

KE(e+) = 2.0 MeV:

(Fig.22)

KE(e+) = 4.0 MeV:

(Fig.23)

KE(e+) = 8.0 MeV:

(Fig.24)

3) Reconstructed vs True(Generated) Kinetic Energy:

KE(e+) = 0:

(Fig.20)

KE(e+) = 0.1 MeV:

(Fig.21)

KE(e+) = 1.0 MeV:

(Fig.22)

KE(e+) = 2.0 MeV:

(Fig.23)

KE(e+) = 4.0 MeV:

(Fig.24)

KE(e+) = 8.0 MeV:

(Fig.25)

Reconstructed vs True(Generated) Kinetic Energy with R(TRUE)<260 cm:

(Fig.26)

Reconstructed vs True(Generated) Kinetic Energy with R(TRUE)<50 cm:

(Fig.27)

4) Reconstructed Total Charge vs True(Generated) Visible Energy:

KE(e+) = 0:

(Fig.28)

KE(e+) = 0.1 MeV:

(Fig.29)

KE(e+) = 1.0 MeV:

(Fig.30)

KE(e+) = 2.0 MeV:

(Fig.31)

KE(e+) = 4.0 MeV:

(Fig.32)

KE(e+) = 8.0 MeV:

(Fig.33)

Reconstructed Total Charge vs True(Generated) Visible Energy with R(TRUE)<260 cm:

(Fig.34)

Reconstructed Total Charge vs True(Generated) Visible Energy with R(TRUE)<50 cm:

(Fig.35)