Difference between revisions of "Beam Test Jul 18 2012"

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[[File:hrrl_pos_17jul2012_Tune-up_Gun_Grid_Volate_knob_10_scope.png | 400 px]]
 
[[File:hrrl_pos_17jul2012_Tune-up_Gun_Grid_Volate_knob_10_scope.png | 400 px]]
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== Sweeping magnet and Positron mode test  ==
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{| border="1"
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| W1  || Sweeping magnet  ||  D1 (A) || D2 (A) || Mode|| Jaw width (cm) || q4 (A) || q5 (A) || q6 (A) || q7 (A) || q8 (A)|| q9 (A) || q10 (A) || Counts  ||  Time (s)|| counts/second || Area of pulse (nVs) ||  conditions
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|-
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|  in ||  out || 4.2  || 4.2 || e- || 0.5  ||0  || -4.0 ||  +1.9 || 0 ||  0 || 0 ||0  ||    ||        ||    ||  ||D1 & D2 tuned for 2 Mev electron.
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|-
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|  in ||  out || -4.2  || -4.2 || e+ || 0.5  ||0  || +4.0 ||  -1.9 || 0 ||  0 || 0 ||0  ||    ||        ||    ||  ||D1 & D2 tuned for 2 Mev positron.
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|-
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|  in ||  out || 0  || -4.2  || photon || 0.5  ||0  || +4.0 ||  -1.9 || 0 ||  0 || 0 ||0  ||    ||        ||    || ||
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|-
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|  in ||  in || -4.2  || -4.2 || e+ || 0.5  ||0  || +4.0 ||  -1.9 || 0 ||  0 || 0 ||0  ||    ||      ||    ||  ||D1 & D2 tuned for 2 Mev positron.
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|-
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|  in ||  in || 0  || -4.2 || e+ || 0.5  ||0  || +4.0 ||  -1.9 || 0 ||  0 || 0 ||0  ||    ||      ||    ||  ||
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|-
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|  in ||  in || 4.2  || 4.2 || e- || 0.5  ||0  || -4.0 ||  +1.9 || 0 ||  0 || 0 ||0  ||  ||      ||    ||  ||D1 & D2 tuned for 2 Mev electron.
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|-
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|  in ||  in || -4.2  || -4.2 || e+ || 0.5  ||0  || +4.0 ||  -1.9 || 0 ||  0 || 0 ||0  ||    ||      ||    ||  ||
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|-
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|  in ||  in || 0  || -4.2 || e+ || 0.5  ||0  || +4.0 ||  -1.9 || 0 ||  0 || 0 ||0  ||  ||    ||    ||  ||
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|-
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|  in ||  out || 0  || -4.2 || e+ || 0.5  ||0  || +4.0 ||  -1.9 || 0 ||  0 || 0 ||0  ||  ||      ||    ||  ||sweep magnet out
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|-
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|  in ||  out || 0  || -4.2 || e+ || 0.5  ||0  || +4.0 ||  -1.9 || 0 ||  0 || 0 ||0  ||    ||      ||    ||  ||sweep magnet out
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|-
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|  in ||  out || 0  || 0 || e+ || 0.5  ||0  || 0 ||  0 || 0 ||  0 || 0 ||0  ||    ||      ||    ||  ||sweep magnet out
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|-
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|}

Revision as of 14:37, 18 July 2012

Tune up 2 MeV into 90 degree line

Check results from yesterday

Lower beam current so single pulses are observed in scintillator

Install thick scintillator for energy calibration

Tune

Energy Switch Out (High En)
Solenoid 1 6.2 A
Solenoid 2 3.3 A
Gun Hor -0.2 A
Gun Ver 0 A
Output Hor -0.3 A
Output Ver 0 A
Rep Rate 8
Gun HV 10 (Knob Setting)
Gun Grid Voltage 10 (Knob Setting)
RF frequency 2856.320 MHz
Modulator HV Power Supply 10 (Knob Setting)
RF macro Pulse Length (FWHM) 300 ns
Q1 (A) -3.7
Q2 (A) -5.5
Q3 (A) +0.6

Hrrl pos 17jul2012 Tune-up Gun Grid Volate knob 10 beamimage 1.png


Hrrl pos 17jul2012 Tune-up Gun Grid Volate knob 10 beamimage 2.png

Hrrl pos 17jul2012 Tune-up Gun Grid Volate knob 10 scope.png


Sweeping magnet and Positron mode test

W1 Sweeping magnet D1 (A) D2 (A) Mode Jaw width (cm) q4 (A) q5 (A) q6 (A) q7 (A) q8 (A) q9 (A) q10 (A) Counts Time (s) counts/second Area of pulse (nVs) conditions
in out 4.2 4.2 e- 0.5 0 -4.0 +1.9 0 0 0 0 D1 & D2 tuned for 2 Mev electron.
in out -4.2 -4.2 e+ 0.5 0 +4.0 -1.9 0 0 0 0 D1 & D2 tuned for 2 Mev positron.
in out 0 -4.2 photon 0.5 0 +4.0 -1.9 0 0 0 0
in in -4.2 -4.2 e+ 0.5 0 +4.0 -1.9 0 0 0 0 D1 & D2 tuned for 2 Mev positron.
in in 0 -4.2 e+ 0.5 0 +4.0 -1.9 0 0 0 0
in in 4.2 4.2 e- 0.5 0 -4.0 +1.9 0 0 0 0 D1 & D2 tuned for 2 Mev electron.
in in -4.2 -4.2 e+ 0.5 0 +4.0 -1.9 0 0 0 0
in in 0 -4.2 e+ 0.5 0 +4.0 -1.9 0 0 0 0
in out 0 -4.2 e+ 0.5 0 +4.0 -1.9 0 0 0 0 sweep magnet out
in out 0 -4.2 e+ 0.5 0 +4.0 -1.9 0 0 0 0 sweep magnet out
in out 0 0 e+ 0.5 0 0 0 0 0 0 0 sweep magnet out
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