Difference between revisions of "2n Position resolution"
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[[File:experimental_data_DetG_gauss.png | 600px]] | [[File:experimental_data_DetG_gauss.png | 600px]] | ||
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| + | The fit of the experimental data with a function which is the result of convolution of the detector resolution function and detector response function is shown below | ||
[[File:experimental_data_DetG_fftFit.png | 600px]] | [[File:experimental_data_DetG_fftFit.png | 600px]] | ||
Revision as of 17:50, 1 May 2013
FFT algorithm test
If we take narrower response function we will get
FFT application
Experimental distribution of TDC difference time spectrum (dots) and gaussian fit of the data (line) are shown below:
The fit of the experimental data with a function which is the result of convolution of the detector resolution function and detector response function is shown below
Hence, any coordinate of the neutron hit has the following uncertainty in: sigma = 1.5 ns and its value converted into cm is 1.5 ns x 7.24 cm/ns = 10.8 cm. The total length of the active area of the neutron detector is 75 cm.