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| | For distribution over all beam pulses:<br> | | For distribution over all beam pulses:<br> |
| − | <math> ADC_{ave}=\frac{\sum_{i=1}^{16}{ADC_{i}}}{pulses};<br> | + | <math> ADC_{ave}=\frac{\sum_{i=1}^{16}{ADC_{i}}}{pulses};</math><br> |
| − | ADC_{sigma}={ \sqrt{\frac{1}{pulses}\sum_{i=1}^{pulses}{\left(ADC_{ave}^{pulse} - ADC_{ave}\right)^{2}}}};</math>
| + | <math> ADC_{sigma}={ \sqrt{\frac{1}{pulses}\sum_{i=1}^{pulses}{\left(ADC_{ave}^{pulse} - ADC_{ave}\right)^{2}}}};</math> |
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Revision as of 07:20, 27 March 2010
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For each beam pulse:
[math] ADC_{ave}^{pulse}=\frac{\sum_{i=1}^{16}{ADC_{i}*i}}{\sum_{i=1}^{16}{ADC_{i}}};[/math]
For distribution over all beam pulses:
[math] ADC_{ave}=\frac{\sum_{i=1}^{16}{ADC_{i}}}{pulses};[/math]
[math] ADC_{sigma}={ \sqrt{\frac{1}{pulses}\sum_{i=1}^{pulses}{\left(ADC_{ave}^{pulse} - ADC_{ave}\right)^{2}}}};[/math]
Below is the plot of the charge in Faraday cup (pC) as a function of magnet current (vertical axis, A) (basically magnetic field) and ADC (horizontal axis).
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