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Moderator

[ Identification | Description | Input parameters | Output parameters | Links ]

The Moderator component

A simple pulsed source for time-of-flight.

Identification

  • Author: KN, M.Hagen
  • Origin: McStas release
  • Date: August 1998
  • Version: 1.7

Description

Produces a simple time-of-flight spectrum, with a flat energy distribution

Input parameters

Parameters in boldface are required; the others are optional.
Name Unit Description Default
radius m Radius of source  
E0 meV Lower edge of energy distribution  
E1 meV Upper edge of energy distribution  
dist m Distance from source to the focusing rectangle  
xw m Width of focusing rectangle  
yh m Height of focusing rectangle  
t0 mus decay constant for low-energy neutrons  
Ec meV Critical energy, below which the flux decay is constant  
gam meV energy dependence of decay time  

Output parameters

Name Unit Description Default
hdiv  
vdiv  
p_in  

Links


[ Identification | Description | Input parameters | Output parameters | Links ]

Generated automatically by McDoc, Kristian Nielsen <kristian.nielsen@risoe.dk> / Jan 22 2001


Last Modified: Tuesday, 22-Jun-2004 14:04:09 CEST
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