HRRL 03-18-2011

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Tune parameters

Previous Tune at the higher energy

Solenoid 1 5.4 A
Solenoid 2 5.5 A
Gun Ver -0.2 A
Gun Hor +0.4 A
Output Hor -0.5 A
Output Ver -0.5 A
Gun HV +9.75 (Knob Setting)
Gun Grid Voltage 5.25 (Knob Setting)
RF frequency 2855.813 MHz
Modulator HV Power Supply 4.11 (Knob Setting)
RF macro Pulse Length (FWHM) 200 ns

Solenoid comparison with yesterdays higher energy tune

V1 (Gun Vertical) H1 (Gun Horizontal) Sol1 (Gun Sol) V2 (Output Vertical) H2 (Output horizontal Sol 2 (Output solenoid) OTR Pict FC pict
(A) (A) (A) (A) (A) (A)
(-0.3) +0 0 0 -0 -0
(-0.2) +0.4 5.4 -0.5 -0.5 5.5
(-0.2) +0.4 6.8 -0.5 -0.5 5.5
(-0.2) +0.4 6.8 -0.5 -0.5 10.4

Quad Scans

To test reproducibility from yesterday. Scan at 40, 20, 10, 5 mA peak currents. Scan twice on each Current.

Do Energy Scan

Bend the beam through 45 bending dipole, take images on the scope of FC and YAG images.

D1 current Energy FC peak Volt Pic
(A) MeV mV
28 11.85 39
29 12.3 74
30 12.74 93
30.5 12.96 65
30.7 large uncertainty 22

Quad 1 Scan

Quad 1 OTR Pict FC pict
(A)
+0
+0.25
+0.5
+0.75
+1.0
+1.25
+1.5
+1.8
+2.0

Scan Quad 4

HRRL_Emittance_Measurements_March14-18-2011