Neutron Corr

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8/13/2012

First Results

G1L3966.png G1L3967.png

8/14/2012

Gun/RF Tests

Betterbeamtest.jpg

8/15/2012

Neutron Detector Layout

HRRL LANDLO 8 15.jpg

8/16/2012

Neutron Detector Layout(morning)

HRRL LANDLO 8 16 am.jpg

Neutron Detector Layout(afternoon)

HRRL LANDLO 8 16 pm.jpg

8/17/2012 - 8/24/2012

Neutron Detector Layout

HRRL LANDLO 8 20.jpg

August 2012 HRRL Data Analysis

The detector measurements used for this data analysis are illustrated in the schematic below:

2ndetectormeas.jpeg

Using the index of refraction Oleksiy found:

Slope data.png

When analyzing the data, all the runs in a particular day were added together for better statistics. First, the raw data was used to determine where the neutrons cut would need to be placed for each run (or each day of runs if they were able to be combined). Applying those neutron cuts to each TDC, coincidences were found. The TDC spectra of the detectors that detected these coincidences were then analyzed to determine the spot on the detectors where each neutron hit. Knowing the location of detection, the theta and phi angles between coincident neutrons were found.

8/17

Raw Data:

TDC8 17.png

Coincidence Data:

Phi 8 17.png

Theta 8 17.png

8/20

Raw Data:

TDC8 20.png

Coincidence Data:

Phi8 20.png

Theta8 20.png

8/21

Raw Data:

TDC8 21.png

Here the multiple peak indicate that the timing in the beam was shifting, thus not allowing to combine. Each run of this day is plotted below.

4143

TDC8 21 4143.png

4144

TDC8 21 4144.png

4145

TDC8 21 4145.png

4146

TDC8 21 4146.png

8/22

Raw Data:

TDC8 22.png

Coincidence Data:

Phi8 22.png

Theta8 22.png

8/23

Raw Data:

TDC 8 23.png

Coincidence Data:

Phi8 23.png

Theta8 23.png

8/24

Raw Data:

TDC8 24.png

Coincidence Data:

Phi8 24.png

Theta8 24.png

8/17 - 8/20

TDC8 17 20.png

8/17 - 8/21

TDC8 17 21.png

8/17 - 8/22

TDC8 17 22.png





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