Dream Testbeam October 2015: Good Run List

Topics studied:

DRS test

Pb Matrix Energy Scan

• Steering 60 GeV pion beam at the centre of the Pb matrix with IT
  • The run number is from 11748 to 11753

• Steering 100 GeV pion beam at the centre of the Pb matrix with IT
  • The run number is from 11743 to 11747

• Steering 40 GeV pion beam at the centre of the Pb matrix with IT
  • The run number is from 11732 to 11742

• Steering 125 GeV pion beam at the centre of the Pb matrix with IT
  • The run number is from 11722 to 11731

• Steering 125 GeV pion beam at the centre of the Pb matrix
  • The run number is from 11698 to 11718

• Steering 80 GeV pion beam at the centre of the Pb matrix
  • The run number is from 11652 to 11690

• Steering 180 GeV pion beam at the centre of the Pb matrix
  • The run number is 11593~11597, 11602, 11651, 11644, 11649~11651

• Steering 80 GeV pion beam at the centre of the Pb matrix
  • The run number is from 11652 to 11690

• Steering 10 GeV pion beam at the centre of the tower
  • The run number is from 11576 to 11587

• Steering 20 GeV pion beam at the centre of the tower
  • The run number is from 11475 to 11518

• Steering 60 GeV pion beam at the centre of the tower
  • The run number is from 11425 to 11457

Pb towers calibration with electrons

• Steering 20 GeV electon beam at the tower

* Steering 40 GeV electon beam at the tower

Calibration of leakage counters with muons

• Steering 180 GeV muon beam at the leakage counters

Cu module, parallels to beam

• Steering 20 GeV pion beam at the centre of the Cu module
  • The run number is from 11520 to 11529

Horizontal scan of Cu module

• Steering 80 GeV electron beam at the Cu module
  • HV_scintillator = 1550 V
  • 5 cm thick Pb brick used
  • theta = 0
  • 158 cm of x = 103 cm of x* (x* : calorimeter moved 55 cm w.r.t. ruler)
  • From run 11310, the PSD voltage changed from 760 V to 600 V

• Steering 80 GeV electron beam at the Cu module
  • HV_scintillator = 1800 V
  • 5 cm thick Pb brick is placed in front of Cu module
  • theta = 0

Angle scan of Cu module

• Steering 80 GeV electron beam at the Cu module
  • HV_scintillator = 1550 V
  • 10 cm thick Pb brick is placed at centre (x = 113 cm, y = 60 cm)
  • At theta is +25, the beam enter lead through the side

• Steering 80 GeV electron beam at the Cu module
  • HV_scintillator = 1550 V

• Steering 80 GeV electron beam at the Cu module
  • HV_scintillator = 1550 V
  • 5.0 cm thick Pb brick is placed at centre (x = 113 cm, y = 60 cm)
  • At theta = +35, +30 and -20, the X_table moved to 58 cm to re-center Cu module (x* = 58 cm)

* Steering 80 GeV electron beam at the Cu module

• • HV_scintillator = 1800 V
  • 7.5 cm thick Pb brick is placed at back to the centre (x = 113 cm, y = 60 cm)

* Steering 80 GeV electron beam at the Cu module

• • HV_scintillator = 1800 V
  • without Pb brick

* Steering 80 GeV electron beam at the Cu module

• • HV_scintillator = 1800 V
  • 1.0 cm thick Pb brick is placed at back to the centre (x = 113 cm, y = 60 cm)

* Steering 80 GeV electron beam at the Cu module

• • HV_scintillator = 1800 V
  • 2.5 cm thick Pb brick is placed at back to the centre (x = 113 cm, y = 60 cm)

• Steering 80 GeV electron beam at the Cu module
  • HV_scintillator = 1800 V
  • 5 cm thick Pb brick is placed in front of Cu module (x_center -20 cm = 103 cm, y = 60 cm)

* Steering 80 GeV electron beam at the Cu module

• • HV_scintillator = 1800 V
  • 5 cm thick Pb brick is placed in front of Cu module (x_Center + 20 cm = 133 cm, y = 60 cm)

* Steering 80 GeV electron beam at the Cu module

• • HV_scintillator = 1800 V
  • 5 cm thick Pb brick is placed in front of Cu module (x_Center = 113 cm cm, y = 60 cm)

Horizontal scan of tower

• Steering 80 GeV electron beam at the Cu module
  • HV_scintillator = 1800 V
  • 5 cm thick Pb brick used (y = 60 cm)
  • theta = 0

Vertical scan of tower

• Steering 80 GeV electron beam at the Cu module
  • HV_scintillator = 1800 V
  • 5 cm thick Pb brick used (x = 113 cm)
  • theta = 0