Multiple TOF detectors for SANS instrument. The component is to be placed at the sample position. For the time being better switch gravity off.
Author: Henrich Frielinghaus, FZJuelich
Origin: FZJ
Date: Apr 2013
TOF monitor that calculates I of q.
Example: TOFSANSdet();
Parameters in boldface are required; the others are optional.
|
Name |
Unit |
Description |
Default |
|
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|
Nq |
1 |
Number of q-bins |
100 |
|
plength |
|
|
0.00286 |
|
ssdist |
|
Source-Sample distance for TOF calculation. |
27.0 |
|
coldis |
|
Collimation length |
20.0 |
|
Sthckn |
cm |
sample thickness |
0.1 |
|
ds1 |
|
distance of detector 1 |
1.0 |
|
xw1 |
|
width of detector 1 (0 for off) |
0.0 |
|
yh1 |
|
height of detector 1 (0 for off) |
0.0 |
|
hl1 |
|
w/h of hole in det 1 (0 for off), full width |
0.0 |
|
ds2 |
|
distance...........2 |
5.0 |
|
xw2 |
|
width..............2 |
1.0 |
|
yh2 |
|
heigth.............2 |
1.0 |
|
hl2 |
|
hole...............2 |
0.2 |
|
ds3 |
|
|
20.0 |
|
xw3 |
|
width..............3 |
1.0 |
|
yh3 |
|
height.............3 |
1.0 |
|
hl3 |
|
hole...............3 (beam stop, used for primary beam detection) |
0.04 |
|
vx3 |
|
vertical extension of beam stop down (in case of gravity off set 0.0, otherwise value larger than 1.0) |
0.0 |
|
tmin |
s |
Beginning of time window |
0.005 |
|
tmax |
s |
End of time window |
0.15 |
|
Nx |
|
Number of horizontal detector pixels (detector 1,2,3) better leave unchanged |
128.0 |
|
Ny |
|
Number of vertical detector pixels (detector 1,2,3) better leave unchanged |
128.0 |
|
Nt |
|
Number of time bins (detector 1,2,3) better leave unchanged |
500.0 |
|
qmin |
1/A |
Lower limit of q-range |
0.0005 |
|
qmax |
1/A |
Upper limit of q-range |
0.11 |
|
rstneu |
|
restore neutron after treatment ??? (0.0 = no) |
0.0 |
|
centol |
|
tolerance of center determination (if center larger than centol*calculated_center then set back to theory) |
0.1 |
|
inttol |
|
tolerance of intensity (if primary beam intensity smaller than inttol*max_intensity then discard data) |
0.0001 |
|
qcal |
|
calibration of intensity (cps) to width of q-bin (non_zero = yes, zero = no) |
1 |
|
fname |
|
file name (first part without extensions) |
0 |
|
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Component source code found in file TOFSANSdet.comp.