Difference between revisions of "DU Run"

From New IAC Wiki
Jump to navigation Jump to search
Line 9: Line 9:
 
[[File:r4118_tdc_sum.png]]
 
[[File:r4118_tdc_sum.png]]
  
In the case of Det K it was hard to observe the neutron area and the TDC singles spectra were used to set the time cut (see Det K data on the plot below)
+
In the case of Det K it was hard to observe the neutron area and the TDC singles spectra were used to set the time cut (see Det K data on the plot below):
  
 
[[File:r4118_tdc_single.png]]
 
[[File:r4118_tdc_single.png]]
 +
 +
After writing a bunch of scripts the root file was created and the data are plotted below:
 +
 +
[[File:r4118_3D_corr_plot.png]]

Revision as of 15:41, 24 October 2012

Angular dependence [math](\theta,\phi)[/math] of two neutron emitted from DU target was determined.

The X-coordinate of the neutron hit of each detector was determined from the TDC difference spectra with application of real calibration factors obtained in separate experiment with Co-60 source.

R4118 tdc diff.png

The timing cuts were applied for TDC sum spectra. It should be noticed that time cuts included both neutron and photon areas because in four fold coincidences the photon accidentals will dissappear.

R4118 tdc sum.png

In the case of Det K it was hard to observe the neutron area and the TDC singles spectra were used to set the time cut (see Det K data on the plot below):

R4118 tdc single.png

After writing a bunch of scripts the root file was created and the data are plotted below:

R4118 3D corr plot.png