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Message ID: 335     Entry time: Wednesday, September 18, 2013, 14:54
Author: Anders Mjos 
Target/No.#:  
Source:  
Station:  
Module:  
Target Oven W.O#:  
Heat Shield W.O#:  
Status: Problems/Solutions 
Subject: Hall probe calibration 

New calibration of the m/q based on the hall probe after exchanging the controller(MASSOVERQ2). Based on NiO#2-HP-FEBIAD with Ne supplied and ANODE biased to 200V, 30kV Bias.

CONST11 = -16.3929
CONST22 = 0.12481

http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2013-09-18-09%20NiO%232

Data and results from Gnuplot

"2013-09-18 NiOcalibration.txt"
6.02 -1192 6Li
7.02 -1288 7Li
19.99 -2177 20Ne
21.99 -2284 22Ne
38.96 -3043 40K
40.96 -3118 41K
180.9 -6577 Ta
196.9 -6864 TaO

f(x)=((x+a)**2)*b/30000;
a=35.221;
b=0.129991;
fit f(x) "2013-09-18 NiOcalibration.txt" using 2:1 via a,b;

Final set of parameters Asymptotic Standard Error
======================= ==========================

a = -16.3929 +/- 2.015 (12.29%)
b = 0.12481 +/- 8.448e-005 (0.06769%)


correlation matrix of the fit parameters:

a b
a 1.000
b 0.952 1.000  

Attachment 1: 2013-09-18_NiOcalibration.png  12 kB  | Show | Hide all
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