Difference between revisions of "CDC B field"

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|[[Image:cdc_bfield_one_fit.png|thumb|x250px|One fit f(B,r) for all curves]]
 
|[[Image:cdc_bfield_one_fit.png|thumb|x250px|One fit f(B,r) for all curves]]
 
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Max error between fitted function and time difference is 2.3ns at radius 7.6mm in 1.7T dataset

Revision as of 11:58, 30 April 2014

Mean change in ADC value
CDC space Btot vs r and z for 1350A

CDC volume occupies z=17 to 167 and r=10 to 60


Drift times from Garfield
Garfield drift times
Zoomed in at small radius
Zoomed in at large radius
Drift times from Garfield, edited
Zoomed in at small radius
Individual fits to drift time difference [0]*radius**[1]
Fit f(r) to each curve
Fit of param 0 values
Fit of param 1 values
One fit to drift time difference
One fit f(B,r) for all curves

Max error between fitted function and time difference is 2.3ns at radius 7.6mm in 1.7T dataset