NXmoderator¶
Status:
base class, extends NXobject
Description:
A neutron moderator
Symbols:
No symbol table
- Groups cited:
Structure:
@default: (optional) NX_CHAR
Declares which child group contains a path leading to a NXdata group.
It is recommended (as of NIAC2014) to use this attribute to help define the path to the default dataset to be plotted. See https://www.nexusformat.org/2014_How_to_find_default_data.html for a summary of the discussion.
distance: (optional) NX_FLOAT {units=NX_LENGTH}
Effective distance as seen by measuring radiation
type: (optional) NX_CHAR
Any of these values:
H20
D20
Liquid H2
Liquid CH4
Liquid D2
Solid D2
C
Solid CH4
Solid H2poison_depth: (optional) NX_FLOAT {units=NX_LENGTH}
coupled: (optional) NX_BOOLEAN
whether the moderator is coupled
coupling_material: (optional) NX_CHAR
The material used for coupling. Usually Cd.
poison_material: (optional) NX_CHAR
Any of these values:
Gd|Cdtemperature: (optional) NX_FLOAT {units=NX_TEMPERATURE}
average/nominal moderator temperature
GEOMETRY: (optional) NXgeometry
“Engineering” position of moderator
temperature_log: (optional) NXlog
log file of moderator temperature
pulse_shape: (optional) NXdata
moderator pulse shape
Hypertext Anchors¶
Table of hypertext anchors for all groups, fields, attributes, and links defined in this class.
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