3.3.28. NXmoderator

Status:

base class, extends NXobject, version 1.0

Description:

This is the description for a general moderator

Symbols:

No symbol table

Groups cited:

NXdata, NXgeometry, NXlog

Structure:

distance: NX_FLOAT {units=NX_LENGTH}

Effective distance as seen by measuring radiation

type: NX_CHAR

Any of these values:

• H20
• D20
• Liquid H2
• Liquid CH4
• Liquid D2
• Solid D2
• C
• Solid CH4
• Solid H2

poison_depth: NX_FLOAT {units=NX_LENGTH}

coupled: NX_BOOLEAN

whether the moderator is coupled

coupling_material: NX_CHAR

The material used for coupling. Usually Cd.

poison_material: NX_CHAR

Any of these values: Gd | Cd

temperature: NX_FLOAT {units=NX_TEMPERATURE}

average/nominal moderator temperature

(geometry): NXgeometry

“Engineering” position of moderator

temperature_log: NXlog

log file of moderator temperature

pulse_shape: NXdata

moderator pulse shape

Source:

Automatically generated from https://github.com/nexusformat/definitions/blob/master/base_classes/NXmoderator.nxdl.xml