CHIPS IAC Run 5-30-08

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Beam Tune

Device setting
RS1 -0.46
RS2 +0.77
FS1 -0.68
FS2 0.00
0Q1 +0.76
0Q2 +0.94
45Q1 +0.02
45Q2 +1.37
L90Q1 -2.98
L90Q2 +0.98
Bend1 +1.42
Bend2 +10.66
Gun HV 20 kV
Grid 4.84
1202 13.2 kV
SOL1 0.00
SOL2 8.59


Setting Max rate

Run # MPA file name W Ta Description
65 NaI065.mpa IN In Dipole at 3 MeV (1.11 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 32[math]\pm[/math] 8 counts at 500 keV, Live=750 seconds, grid = 1.64, Gun = 3 kV.
66 NaI066.mpa IN In Dipole at 3 MeV (1.11 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 17[math]\pm[/math]5 counts at 500 keV, Live=610 seconds, grid = 4.0, Gun = 3 kV.
67 NaI067.mpa IN In Dipole at 3 MeV (1.11 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 64[math]\pm[/math] 9 counts at 500 keV, Live=619 seconds, grid = 1.0, Gun = 3 kV, peak sharpens., at 499 keV peak has 25 counts
68 NaI068.mpa IN In Dipole at 3 MeV (1.11 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. no peak at 500 keV, Live=600 seconds, grid = 0.5, Gun = 3 kV, peak sharpens.
69 NaI068.mpa IN In Dipole at 3 MeV (1.11 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 28[math]\pm[/math] 7 count (poor fit) , Live=652 seconds, grid = 1.5, Gun = 3 kV, peak sharpens.

Energy Scan

Use last dipole to sweep different electron energies.

70 NaI070.mpa IN In Dipole at 3 MeV (1.11 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 61[math]\pm[/math] 9counts at 500 keV, Live=623 seconds, grid = 1.0, Gun = 3 kV.
72 NaI072.mpa IN Out Dipole at 3 MeV (1.11 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 51[math]\pm[/math]9 counts at 500 keV, Live= 629 seconds, grid = 1.0, Gun = 3 kV.
73 NaI073.mpa IN In Dipole at 2 MeV (0.78 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 54 [math]\pm[/math] 8 counts at 607 keV, Live= seconds, grid = 1.0, Gun = 3 kV.
74 NaI074.mpa IN Out RF re phasing was done, Dipole at 2 MeV (0.78 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 66[math]\pm[/math] 10 counts at 500 keV, Live=611 seconds, grid = 1.0, Gun = 3 kV.
75 NaI075.mpa IN In Dipole at 2 MeV (0.78 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 84[math]\pm[/math] 11 counts at 500 keV, Live=608 seconds, grid = 1.0, Gun = 3 kV.
76 NaI076.mpa IN Out Dipole at 2 MeV (0.78 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 78 [math]\pm[/math] 12 counts at 500 keV, Live=604 seconds, grid = 1.0, Gun = 3 kV.
77 NaI077.mpa IN In Dipole at 4 MeV ( 1.45 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 78 [math]\pm[/math] 11 counts at 500 keV, Live= 604 seconds, grid = 1.0, Gun = 3 kV.
78 NaI078.mpa IN Out Dipole at 4 MeV ( 1.45 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 59[math]\pm[/math] 15counts at 500 keV, Live=609 seconds, grid = 1.0, Gun = 3 kV.
79 NaI079.mpa IN Out Dipole at 1 MeV ( 0.47 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 56 [math]\pm[/math]8 counts at 500 keV, Live=607 seconds, grid = 1.0, Gun = 3 kV.
80 NaI080.mpa IN In Dipole at 1 MeV ( 0.47 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 61[math]\pm[/math] 9 counts at 500 keV, Live=614 seconds, grid = 1.0, Gun = 3 kV.
82 NaI080.mpa IN In Dipole at 5 MeV ( 1.76 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 70[math]\pm[/math] 10 counts at 500 keV, Live=607 seconds, grid = 1.0, Gun = 3 kV. NaI Spectrum was empty
83 NaI083.mpa IN Out Dipole at 5 MeV ( 1.76 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 76[math]\pm[/math] 10 counts at 500 keV, Live=603 seconds, grid = 1.0, Gun = 3 kV.

We believe the above data is mostly from gammas and not positrons. Recheck the tune. Redo scan

85 NaI085.mpa IN In Dipole at 3 MeV (1.11 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 97[math]\pm[/math] 11counts at 500 keV, Live=605 seconds, grid = 1.0, Gun = 3 kV.
86 NaI085.mpa IN Out Dipole at 3 MeV (1.1 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 72[math]\pm[/math] 10counts at 500 keV, Live=604 seconds, grid = 1.0, Gun = 3 kV.
87 NaI085.mpa IN Out Dipole at 2 MeV (0.78 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 75[math]\pm[/math] 10counts at 500 keV, Live=603 seconds, grid = 1.0, Gun = 3 kV.
88 NaI085.mpa IN In Dipole at 2 MeV (0.78 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 76[math]\pm[/math] 10counts at 500 keV, Live=602 seconds, grid = 1.0, Gun = 3 kV. 89 NaI085.mpa IN In Dipole at 3.5 MeV (1.27 on Pot), 300 Hz rep rate, (802 set to 15.7 kV. 76[math]\pm[/math] 10counts at 500 keV, Live=602 seconds, grid = 1.0, Gun = 3 kV.

Current Scan at Optimal energy

Calibration

Measure HpGe spectrum with Na-22 source and RF on.

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