UnderGraduate Neutron Correlations Lab: Difference between revisions

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[[UNCL_DAQ]]
[[UNCL_DAQ]]
[[PAS_Experiment]]


[[Attenuation_Measurements]]
[[Attenuation_Measurements]]
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NaI detector setup
[[3N_Corr]]
 
 
Creating ROOT data files
 
 
 
 
source ~/CODA/2.6.2/setup
 
source src/root/root-5.34.00/bin/thisroot.csh
 
/home/daq/CODA/CODAreader/ROOT_V5.34/PAA/evio2nt -fr6815.dat > /dev/null
 
Analyzing ROOT data file
 
root -l r8735.root
 
to draw a histogram for Peak ADC channel 4
 
PAA->Draw("PADC.PADC785N[4]>>(4096,0,4096)")
 
To scale the histogram using an energy calibration of 0.45 keV/channel
 
PAA->Draw("PADC.PADC785N[4]*0.45>>(4096,0,4096)")
 
To save thehistogram under the name Cs137
 
PAA->Draw("PADC.PADC785N[4]*0.45>>Cs137(4096,0,4096)")
 
 
To normalize the histogram by a run time of 2600 seconds
 
1/3600=0.0002778
 
Cs137->Scale(0.0002778)
Cs137->Draw();
 
run 6816 background (~300Hz)
1/47 = 0.021277
 
run 6817 signal (~600 Hz)
1/75 =0.013333
 
 
[[File:NaI_Cs137_4-22-21.png]]
 
https://wiki.iac.isu.edu/index.php/File:NaI_Cs137_4-22-21.png
 


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Latest revision as of 22:38, 10 May 2021