NXsource
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XML Meta-DTD Definition for NXsource.xml
This follows the XML Meta-DTD Definition format and can be downloaded from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXsource.xml
<?xml version="1.0" encoding="UTF-8"?>
<!--
URL: http://www.nexus.anl.gov/classes/xml/NXsource.xml
Editor: NIAC
$Id: NXsource.xml 6 2006-02-10 13:59:54Z sic78 $
Template of the neutron or x-ray source, insertion devices and/or moderators.
-->
<NXsource name="source">
<distance type="NX_FLOAT" units="m">
{Effective distance from sample}{Distance as seen by radiation from sample. This number should be negative to signify that it is upstream of the sample.}?
</distance>
<name type="NX_CHAR">
{Name of source}?
</name>
<type type="NX_CHAR">
"Spallation Neutron Source"|"Pulsed Reactor Neutron Source"|"Reactor Neutron Source"|"Synchrotron X-ray Source"|"Pulsed Muon Source"|"Rotating Anode X-ray"|Fixed Tube X-ray"?
</type>
<probe type="NX_CHAR">
neutron|x-ray|muon|electron?
</probe>
<power type="NX_FLOAT" units="MW">
{Source power}?
</power>
<current type="NX_FLOAT" units="microamps">
{Accelerator current}?
</current>
<voltage type="NX_FLOAT" units="MeV">
{Accelerator voltage}?
</voltage>
<frequency type="NX_FLOAT" units="Hz">
{Frequency of pulsed source}?
</frequency>
<period type="NX_FLOAT" units="microseconds">
{Period of pulsed source}?
</period>
<target_material type="NX_CHAR">
{Pulsed source target material} {"Ta"|"W"|"depleted_U"|"enriched_U"|"Hg"|"Pb"|"C"}?
</target_material>
<notes type="NX_CHAR">
{any source/facility related messages/events that occurred during the experiment}?
</notes>
<pulse_width type="NX_FLOAT" units="micro.second">
{width of source pulse}?
</pulse_width>
<pulse_shape type="NXdata">
{source pulse shape}?
</pulse_shape>
<mode type="NX_CHAR">
{synchrotron operating mode}{"Single Bunch"|"Multi Bunch"}?
</mode>
<top_up type="NX_BOOLEAN">
{Is the synchrotron operating in top_up mode}?
</top_up>
<NXgeometry name="">
{"Engineering" location of source}?
</NXgeometry>
</NXsource>
Tabular Representation of XML Meta-DTD
(automatically generated from http://svn.nexusformat.org/definitions/tags/PRE_NXDL/base_classes/NXsource.xml)
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NXsource
Name Type Description Attributes distance NX_FLOAT Effective distance from sample
{Distance as seen by radiation from sample. This number should be negative to signify that it is upstream of the sample.}units="m"
name NX_CHAR Name of source type NX_CHAR probe NX_CHAR power NX_FLOAT Source power units="MW"
current NX_FLOAT Accelerator current units="microamps"
voltage NX_FLOAT Accelerator voltage units="MeV"
frequency NX_FLOAT Frequency of pulsed source units="Hz"
period NX_FLOAT Period of pulsed source units="microseconds"
target_material NX_CHAR Pulsed source target material
{"Ta"|"W"|"depleted_U"|"enriched_U"|"Hg"|"Pb"|"C"}notes NX_CHAR any source/facility related messages/events that occurred during the experiment pulse_width NX_FLOAT width of source pulse units="micro.second"
pulse_shape NXdata source pulse shape mode NX_CHAR synchrotron operating mode
{"Single Bunch"|"Multi Bunch"}top_up NX_BOOLEAN Is the synchrotron operating in top_up mode NXgeometry "Engineering" location of source
