Difference between revisions of "Beam Test Jul 19 2012"

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|Q3  (A)|| +0.6
 
|Q3  (A)|| +0.6
 
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= runs =
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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  || 0 ||  0 || 0 ||  0 || 0 ||0  ||  856 ||  100.1    ||  8.55  ||  || D1 & D2 set to 2 MeV e- for 90 deg
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|-
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|  in ||  out || 0  || 4.2 ||  || 0.5  ||0  || 0 ||  0 || 0 ||  0 || 0 ||0  ||  7.13 ||  100    ||  7.13  ||  || no bending
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|-
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|  in ||  out || 4.2  || 4.2 || bg || 0.5  ||0  || 0 ||  0 || 0 ||  0 || 0 ||0  || 136  ||  80.1    || 1.7  ||  || RF on, Gun off
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|-
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|  in ||  out || 4.2  || 4.2 || bg || 0.5  ||0  || 0 ||  0 || 0 ||  0 || 0 ||0  || 120  ||  70    ||  1.7  ||  || Clystron HV on, RF off, Gun off
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|-
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|  in ||  out || 4.2  || 4.2 || e- || 0.5  ||-4.0  || +1.9||  0 || 0 ||  0 || 0 ||0  || 818  ||  99.9    ||  8.19  ||  || D1 & D2 set to 2 MeV e- for 90 deg
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|-
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|}
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Gun current was lowered: Gun Grid Voltage know set to 6.42.
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[[File:hrrl_pos_17jul2012_Tune-up_Gun_Grid_Voltage_knob_6p42_scope.png | 400 px]]
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{| border="1"
 +
| 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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|  in ||  out || 4.2  || 4.2 || 2 MeV e+ || 0.5  ||+1.1  ||+3.3  || -2.4||  0 || +0.2 ||  0 || +0.2 ||  518 || 139.9      ||  3.7  ||  || D1 & D2 set to 2 MeV e+
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 +
 
|}
 
|}

Revision as of 14:41, 19 July 2012

Tune up 10 MeV on the zero line.

Insert Tungsten target and do a dipole scan to determine relative yield as a function of energy. Attempt to measure relative yield using integral of thick scintillator output for constant current and energy slit setting.

HRRL 10MeVePdist 71812.png

10 MeV 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 4.28 (Knob Setting)
RF macro Pulse Length (FWHM) 300 ns
Q1 (A) -3.7
Q2 (A) -5.5
Q3 (A) +0.6

runs

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 0 0 0 0 0 0 856 100.1 8.55 D1 & D2 set to 2 MeV e- for 90 deg
in out 0 4.2 0.5 0 0 0 0 0 0 0 7.13 100 7.13 no bending
in out 4.2 4.2 bg 0.5 0 0 0 0 0 0 0 136 80.1 1.7 RF on, Gun off
in out 4.2 4.2 bg 0.5 0 0 0 0 0 0 0 120 70 1.7 Clystron HV on, RF off, Gun off
in out 4.2 4.2 e- 0.5 -4.0 +1.9 0 0 0 0 0 818 99.9 8.19 D1 & D2 set to 2 MeV e- for 90 deg

Gun current was lowered: Gun Grid Voltage know set to 6.42. Hrrl pos 17jul2012 Tune-up Gun Grid Voltage knob 6p42 scope.png

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 2 MeV e+ 0.5 +1.1 +3.3 -2.4 0 +0.2 0 +0.2 518 139.9 3.7 D1 & D2 set to 2 MeV e+


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