McStas logo McStas - A neutron ray-trace simulation package ILL; PSI; ESS Niels Bohr Institute DTU Physics NEXMAP

McStas
site 2

About McStas
 Conditions of use
 Authors/Contacts
 Project funding

Download
 Components
 Other Downloads (share)

Mailing list

Search web/mailinglist

Documentation
 Wiki (GitHub)
 McStas manual
 Publications

Links

Report bugs (GitHub)

Code-repository (GitHub)


McStas: TOFSANSdet

[ Identification | Description | Input parameters | Links ]

The TOFSANSdet Component

Multiple TOF detectors for SANS instrument. The component is to be placed at the sample position. For the time being better switch gravity off.

Identification

  • Site:
  • Author:
  • Origin: xxx
  • Date: Apr 2013

Description

TOF monitor that calculates I of q.

Example: TOFSANSdet();

Input parameters

Parameters in boldface are required; the others are optional.
NameUnitDescriptionDefault
Nq1Number of q-bins100
plength0.00286
ssdistSource-Sample distance for TOF calculation.27.0
coldisCollimation length20.0
Sthckncmsample thickness0.1
ds1distance of detector 11.0
xw1width of detector 1 (0 for off)0.0
yh1height of detector 1 (0 for off)0.0
hl1w/h of hole in det 1 (0 for off), full width0.0
ds2distance...........25.0
xw2width..............21.0
yh2heigth.............21.0
hl2hole...............20.2
ds320.0
xw3width..............31.0
yh3height.............31.0
hl3hole...............3 (beam stop, used for primary beam detection)0.04
vx3vertical extension of beam stop down (in case of gravity off set 0.0, otherwise value larger than 1.0)0.0
tminsBeginning of time window0.005
tmaxsEnd of time window0.15
NxNumber of horizontal detector pixels (detector 1,2,3) better leave unchanged128.0
NyNumber of vertical detector pixels (detector 1,2,3) better leave unchanged128.0
NtNumber of time bins (detector 1,2,3) better leave unchanged500.0
qmin1/ALower limit of q-range0.0005
qmax1/AUpper limit of q-range0.11
rstneurestore neutron after treatment ??? (0.0 = no)0.0
centoltolerance of center determination (if center larger than centol*calculated_center then set back to theory)0.1
inttoltolerance of intensity (if primary beam intensity smaller than inttol*max_intensity then discard data)0.0001
qcalcalibration of intensity (cps) to width of q-bin (non_zero = yes, zero = no)1
fnamefile name (first part without extensions)0
AT ( , , ) RELATIVE
ROTATED ( , , ) RELATIVE

Links


[ Identification | Description | Input parameters | Links ]

Generated on 2023-09-19 20:01:36


Last Modified: Wednesday, 03-Jan-2024 19:59:10 CET
Search website mailinglist archive GitHub repos