Nexus (data format)

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For the Nexus format used in phylogenetics, see Nexus file.

NeXus is a common data format for neutron, x-ray, and muon science. It is being developed as an international standard by scientists and programmers representing major scientific facilities in Europe, Asia, Australia, and North America in order to facilitate greater cooperation in the analysis and visualization of neutron, x-ray, and muon data.

While in principle organisation of data within a NeXus file can be mapped into many different container formats the preferred and best supported backend is HDF5. XML is used for demonstration purposes mainly.

NeXML stands for "XML tools for NeXus", and is also the name of the automatically generated XML Schema for NeXus.

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