Difference between revisions of "03-26-2015"

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TDC calibration curve:
 
TDC calibration curve:
  
[[File:single_hit_TDC_calibr.png | 400 px]]
+
Mean x (x̄): 1339.4
 +
 
 +
Mean y (ȳ): 2272.8.
 +
 
 +
Intercept (a): 270.7
 +
 
 +
Slope (b): 1.4948
 +
 
 +
Regression line equation: y=270.7+1.4948*x
 +
 
 +
dt/ch = 1/1.4948 = 0.668 ns/ch
 +
 
 +
[[File:single_hit_TDC_calibr.png | 200 px]]
  
  

Revision as of 15:22, 26 March 2015

TDC calibration curve:

Mean x (x̄): 1339.4

Mean y (ȳ): 2272.8.

Intercept (a): 270.7

Slope (b): 1.4948

Regression line equation: y=270.7+1.4948*x

dt/ch = 1/1.4948 = 0.668 ns/ch

Single hit TDC calibr.png


Run # Description
8839 500 ps pulse width, 800 mA peak current, 200 Hz rep. rate, no target, 50 mV LED (all), 40 ns LED (all), 1cm Al radiator,

N(gamma, TDC24) = 1/6.7

8840 500 ps pulse width, 800 mA peak current, 200 Hz rep. rate, no target, 50 mV LED (all), 40 ns LED (all), 1" (8 plates) Al radiator,

N(gamma, TDC24) = 1/7.5

8841 500 ps pulse width, 800 mA peak current, 200 Hz rep. rate, no target, 50 mV LED (all), 40 ns LED (all), 1" Al radiator, 3/4" Pb collimator/Pb shielding wall on the accelerator side.

N(gamma, TDC24) = 1/28

8842 500 ps pulse width, 800 mA peak current, 200 Hz rep. rate, DU cyl. target in, 50 mV LED (all), 40 ns LED (all), 1" Al radiator, 3/4" Pb collimator/Pb shielding wall on the accelerator side. Slits are at 350.

N(gamma, TDC24) = 1/23

8843 500 ps pulse width, 800 mA peak current, 200 Hz rep. rate, DU cyl. target in, 30 mV LED (all), 40 ns LED (all), 1" Al radiator, 3/4" Pb collimator/Pb shielding wall on the accelerator side. Slits are at 350.

N(gamma, TDC24) = 1/13, N(n, TDC26) = 1/1160

8844 500 ps pulse width, 800 mA peak current, 200 Hz rep. rate, DU cyl. target in, 20 mV LED (all), 40 ns LED (all), 1" Al radiator, 3/4" Pb collimator/Pb shielding wall on the accelerator side. Slits are at 350.

N(gamma, TDC24) = 1/11, N(n, TDC26) = 1/1092

8845 500 ps pulse width, 800 mA peak current, 200 Hz rep. rate, DU cyl. target in, 10 mV LED (all), 40 ns LED (all), 1" Al radiator, 3/4" Pb collimator/Pb shielding wall on the accelerator side. Slits are at 350.

N(gamma, TDC24) = 1/8, N(n, TDC26) = 1/444

8846 500 ps pulse width, 800 mA peak current, 200 Hz rep. rate, DU cyl. target in, 5 mV LED (all), 40 ns LED (all), 1" Al radiator, 3/4" Pb collimator/Pb shielding wall on the accelerator side. Slits are at 350.

N(gamma, TDC24) = 1/8, N(n, TDC26) = 1/300