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[ Identification  Description  Input parameters  Output parameters  Links ] The
Neutron source with Gaussian or uniform divergence

Name  Unit  Description  Default 

xwidth  m  Width of source  
yheight  m  Height of source  
focus_aw  deg  FWHM (Gaussian) or maximal (uniform) horz. width divergence  
focus_ah  deg  FWHM (Gaussian) or maximal (uniform) vert. height divergence  
E0  meV  Mean energy of neutrons.  0.0 
dE  meV  Energy half spread of neutrons.  0.0 
lambda0  Ang  Mean wavelength of neutrons (only relevant for E0=0)  0.0 
dlambda  Ang  Wavelength half spread of neutrons.  0.0 
gauss  01  Criterion: 0: uniform, 1: Gaussian distributions  0 
flux  1/(s*cm**2*st*energy unit)  flux per energy unit, Angs or meV  1 
Name  Unit  Description  Default 

thetah  
thetav  
sigmah  rad  parameter 'sigma' of the Gaussian distribution for horizontal divergence  
sigmav  rad  parameter 'sigma' of the Gaussian distribution for vertical divergence  
tan_h  
tan_v  
p_init    normalisation factor 1/'neutron_count'  
dist  
focus_xw  
focus_yh 
Source_div.comp
.
[ Identification  Description  Input parameters  Output parameters  Links ]
Generated automatically by McDoc, Peter Willendrup <peter.willendrup@risoe.dk> / Wed Apr 19 10:57:33 2017