.. auto-generated by dev_tools.docs.nxdl from the NXDL source contributed_definitions/NXmpes_arpes.nxdl.xml -- DO NOT EDIT

.. index::
    ! NXmpes_arpes (application definition)
    ! mpes_arpes (application definition)
    see: mpes_arpes (application definition); NXmpes_arpes

.. _NXmpes_arpes:

============
NXmpes_arpes
============

**Status**:

  application definition, extends :ref:`NXmpes`

**Description**:

  .. collapse:: This is an general application definition for angle-resolved multidimensional ...

      This is an general application definition for angle-resolved multidimensional
      photoelectron spectroscopy.

**Symbols**:

  No symbol table

**Groups cited**:
  :ref:`NXaperture`, :ref:`NXcollectioncolumn`, :ref:`NXcoordinate_system_set`, :ref:`NXcoordinate_system`, :ref:`NXdata`, :ref:`NXelectronanalyser`, :ref:`NXenergydispersion`, :ref:`NXentry`, :ref:`NXinstrument`, :ref:`NXresolution`, :ref:`NXsample`, :ref:`NXtransformations`

.. index:: NXentry (base class); used in application definition, NXcoordinate_system_set (base class); used in application definition, NXcoordinate_system (base class); used in application definition, NXtransformations (base class); used in application definition, NXinstrument (base class); used in application definition, NXresolution (base class); used in application definition, NXelectronanalyser (base class); used in application definition, NXcollectioncolumn (base class); used in application definition, NXenergydispersion (base class); used in application definition, NXaperture (base class); used in application definition, NXsample (base class); used in application definition, NXdata (base class); used in application definition

**Structure**:

  .. _/NXmpes_arpes/ENTRY-group:

  **ENTRY**: (required) :ref:`NXentry` :ref:`⤆ </NXmpes/ENTRY-group>`


    .. _/NXmpes_arpes/ENTRY/definition-field:

    .. index:: definition (field)

    **definition**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXmpes/ENTRY/definition-field>`


      Obligatory value: ``NXmpes_arpes``

      .. _/NXmpes_arpes/ENTRY/definition@version-attribute:

      .. index:: version (field attribute)

      **@version**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXmpes/ENTRY/definition@version-attribute>`


    .. _/NXmpes_arpes/ENTRY/geometries-group:

    **geometries**: (required) :ref:`NXcoordinate_system_set` :ref:`⤆ </NXmpes/ENTRY/geometries-group>`


      .. _/NXmpes_arpes/ENTRY/geometries/arpes_geometry-group:

      **arpes_geometry**: (required) :ref:`NXcoordinate_system` :ref:`⤆ </NXcoordinate_system_set/COORDINATE_SYSTEM-group>`


        .. _/NXmpes_arpes/ENTRY/geometries/arpes_geometry/depends_on-field:

        .. index:: depends_on (field)

        **depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXcoordinate_system/depends_on-field>`

          .. collapse:: Link to transformations defining an APRES base coordinate system, ...

              Link to transformations defining an APRES base coordinate system,
              which is defined such that the positive z-axis points towards the analyzer entry,
              and the x-axis lies within the beam/analyzer plane.

        .. _/NXmpes_arpes/ENTRY/geometries/arpes_geometry/TRANSFORMATIONS-group:

        **TRANSFORMATIONS**: (required) :ref:`NXtransformations` :ref:`⤆ </NXcoordinate_system/TRANSFORMATIONS-group>`

          .. collapse:: Set of transformations, describing the orientation of the ARPES coordina ...

              Set of transformations, describing the orientation of the ARPES coordinate system
              with respect to the beam coordinate system (.).

    .. _/NXmpes_arpes/ENTRY/INSTRUMENT-group:

    **INSTRUMENT**: (required) :ref:`NXinstrument` :ref:`⤆ </NXmpes/ENTRY/INSTRUMENT-group>`


      .. _/NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution-group:

      **angularN_resolution**: (recommended) :ref:`NXresolution` :ref:`⤆ </NXinstrument/RESOLUTION-group>`

        .. collapse:: Overall angular resolution along the Nth angular axis. Create one such ent ...

            Overall angular resolution along the Nth angular axis. Create one such entry per relevant angular axis,
            corresponding to the angular axes in NXdata.
            For hemispherical analyzers, angular0_resolution corresponds to the direction along the analyzer slit,
            and angular1_resolution to the one perpendicular to it.

        .. _/NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/physical_quantity-field:

        .. index:: physical_quantity (field)

        **physical_quantity**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXresolution/physical_quantity-field>`


          Obligatory value: ``angle``

        .. _/NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/type-field:

        .. index:: type (field)

        **type**: (recommended) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXresolution/type-field>`


        .. _/NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/resolution-field:

        .. index:: resolution (field)

        **resolution**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXresolution/resolution-field>`


      .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER-group:

      **ELECTRONANALYSER**: (required) :ref:`NXelectronanalyser` :ref:`⤆ </NXmpes/ENTRY/INSTRUMENT/ELECTRONANALYSER-group>`


        .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/depends_on-field:

        .. index:: depends_on (field)

        **depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXelectronanalyser/depends_on-field>`

          .. collapse:: Reference to the last transformation describing the orientation of the a ...

              Reference to the last transformation describing the orientation of the analyzer relative to the beam,
              e.g. transformations/analyzer_elevation.

        .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution-group:

        **angularN_resolution**: (recommended) :ref:`NXresolution` :ref:`⤆ </NXelectronanalyser/RESOLUTION-group>`

          .. collapse:: Analyzer angular resolution along the Nth angular axis. ...

              Analyzer angular resolution along the Nth angular axis.
              Create one such entry per relevant angular axis, corresponding to the angular axes in NXdata.
              For hemispherical analyzers, angular0_resolution corresponds to the direction along the analyzer slit,
              and angular1_resolution to the one perpendicular to it.

          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/physical_quantity-field:

          .. index:: physical_quantity (field)

          **physical_quantity**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXresolution/physical_quantity-field>`


            Obligatory value: ``angle``

          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/type-field:

          .. index:: type (field)

          **type**: (recommended) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXresolution/type-field>`


          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/resolution-field:

          .. index:: resolution (field)

          **resolution**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXresolution/resolution-field>`


        .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations-group:

        **transformations**: (required) :ref:`NXtransformations` :ref:`⤆ </NXelectronanalyser/TRANSFORMATIONS-group>`

          .. collapse:: Set of transformations, describing the relative orientation of the analy ...

              Set of transformations, describing the relative orientation of the analyzer
              with respect to the beam coordinate system (.).

          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation-field:

          .. index:: analyzer_rotation (field)

          **analyzer_rotation**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

            .. collapse:: Rotation about the analyzer lens axis. ...

                Rotation about the analyzer lens axis.
                Its zero reference is defined such that the angular0 axis is
                increasing towards the positive y axis (analyzer slit vertical).

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@transformation_type-attribute:

            .. index:: transformation_type (field attribute)

            **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


              Obligatory value: ``rotation``

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@vector-attribute:

            .. index:: vector (field attribute)

            **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


              Obligatory value: ``[0, 0, 1]``

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@depends_on-attribute:

            .. index:: depends_on (field attribute)

            **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`

              .. collapse:: Path to a transformation that places the analyzer origin system into ...

                  Path to a transformation that places the analyzer origin system into the
                  arpes_geometry coordinate system.

          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation-field:

          .. index:: analyzer_elevation (field)

          **analyzer_elevation**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

            .. collapse:: Elevation of the effective analyzer acceptance area, e.g. realized by ...

                Elevation of the effective analyzer acceptance area, e.g. realized by
                deflectors, or as one angle in a TOF detector. If a resolved angle, place the
                calibrated axis coordinates here.

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@transformation_type-attribute:

            .. index:: transformation_type (field attribute)

            **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


              Obligatory value: ``rotation``

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@vector-attribute:

            .. index:: vector (field attribute)

            **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


              Obligatory value: ``[0, 1, 0]``

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@depends_on-attribute:

            .. index:: depends_on (field attribute)

            **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`


              Obligatory value: ``analyzer_dispersion``

          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion-field:

          .. index:: analyzer_dispersion (field)

          **analyzer_dispersion**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

            .. collapse:: In-plane analyzer coordinate along a dispersive direction, ...

                In-plane analyzer coordinate along a dispersive direction,
                e.g. along an analyzer slit. If a resolved angle, place the calibrated coordinates here.

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@transformation_type-attribute:

            .. index:: transformation_type (field attribute)

            **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


              Obligatory value: ``rotation``

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@vector-attribute:

            .. index:: vector (field attribute)

            **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


              Obligatory value: ``[1, 0, 0]``

            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@depends_on-attribute:

            .. index:: depends_on (field attribute)

            **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`


              Obligatory value: ``analyzer_rotation``

        .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN-group:

        **COLLECTIONCOLUMN**: (required) :ref:`NXcollectioncolumn` :ref:`⤆ </NXmpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN-group>`


          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN/scheme-field:

          .. index:: scheme (field)

          **scheme**: (recommended) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXmpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN/scheme-field>`

            .. collapse:: Scheme of the electron collection column. ...

                Scheme of the electron collection column.

                Any of these values: ``angular dispersive`` | ``non-dispersive``

          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN/angular_acceptance-field:

          .. index:: angular_acceptance (field)

          **angular_acceptance**: (recommended) :ref:`NX_FLOAT <NX_FLOAT>` :ref:`⤆ </NXmpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN/angular_acceptance-field>`


        .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION-group:

        **ENERGYDISPERSION**: (required) :ref:`NXenergydispersion` :ref:`⤆ </NXmpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION-group>`


          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/diameter-field:

          .. index:: diameter (field)

          **diameter**: (recommended) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`} 


          .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/entrance_slit-group:

          **entrance_slit**: (recommended) :ref:`NXaperture` :ref:`⤆ </NXmpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/entrance_slit-group>`


            .. _/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/entrance_slit/shape-field:

            .. index:: shape (field)

            **shape**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXaperture/shape-field>`


              Any of these values: ``straight slit`` | ``curved slit``

    .. _/NXmpes_arpes/ENTRY/SAMPLE-group:

    **SAMPLE**: (required) :ref:`NXsample` :ref:`⤆ </NXmpes/ENTRY/SAMPLE-group>`


      .. _/NXmpes_arpes/ENTRY/SAMPLE/situation-field:

      .. index:: situation (field)

      **situation**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXmpes/ENTRY/SAMPLE/situation-field>`


        Obligatory value: ``vacuum``

      .. _/NXmpes_arpes/ENTRY/SAMPLE/depends_on-field:

      .. index:: depends_on (field)

      **depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXsample/depends_on-field>`

        .. collapse:: Reference to the end of the transformation chain, ...

            Reference to the end of the transformation chain,
            orienting the sample surface within the arpes_geometry coordinate system
            (sample_azimuth or anything depending on it).

      .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations-group:

      **transformations**: (required) :ref:`NXtransformations` :ref:`⤆ </NXsample/TRANSFORMATIONS-group>`

        .. collapse:: Set of transformations, describing the relative orientation of the sample ...

            Set of transformations, describing the relative orientation of the sample
            with respect to the arpes_geometry coordinate system.

        .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar-field:

        .. index:: sample_polar (field)

        **sample_polar**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

          Rotation about the y axis (typically the long manipulator axis).

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@transformation_type-attribute:

          .. index:: transformation_type (field attribute)

          **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


            Obligatory value: ``rotation``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@vector-attribute:

          .. index:: vector (field attribute)

          **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


            Obligatory value: ``[0, 1, 0]``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@depends_on-attribute:

          .. index:: depends_on (field attribute)

          **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`

            .. collapse:: Path to a transformation that places the sample surface ...

                Path to a transformation that places the sample surface
                into the origin of the arpes_geometry coordinate system.

        .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar-field:

        .. index:: offset_polar (field)

        **offset_polar**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

          Offset of polar rotation.

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@transformation_type-attribute:

          .. index:: transformation_type (field attribute)

          **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


            Obligatory value: ``rotation``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@vector-attribute:

          .. index:: vector (field attribute)

          **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


            Obligatory value: ``[0, 1, 0]``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@depends_on-attribute:

          .. index:: depends_on (field attribute)

          **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`


            Obligatory value: ``sample_polar``

        .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt-field:

        .. index:: sample_tilt (field)

        **sample_tilt**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

          Rotation about the x axis (typically a manipulator tilt).

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@transformation_type-attribute:

          .. index:: transformation_type (field attribute)

          **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


            Obligatory value: ``rotation``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@vector-attribute:

          .. index:: vector (field attribute)

          **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


            Obligatory value: ``[1, 0, 0]``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@depends_on-attribute:

          .. index:: depends_on (field attribute)

          **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`


            Obligatory value: ``offset_polar``

        .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt-field:

        .. index:: offset_tilt (field)

        **offset_tilt**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

          Offset of tilt rotation.

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@transformation_type-attribute:

          .. index:: transformation_type (field attribute)

          **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


            Obligatory value: ``rotation``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@vector-attribute:

          .. index:: vector (field attribute)

          **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


            Obligatory value: ``[1, 0, 0]``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@depends_on-attribute:

          .. index:: depends_on (field attribute)

          **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`


            Obligatory value: ``sample_tilt``

        .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth-field:

        .. index:: sample_azimuth (field)

        **sample_azimuth**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

          Rotation about the z axis (azimuthal rotation within the sample plane).

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@transformation_type-attribute:

          .. index:: transformation_type (field attribute)

          **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


            Obligatory value: ``rotation``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@vector-attribute:

          .. index:: vector (field attribute)

          **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


            Obligatory value: ``[0, 0, 1]``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@depends_on-attribute:

          .. index:: depends_on (field attribute)

          **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`


            Obligatory value: ``offset_tilt``

        .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth-field:

        .. index:: offset_azimuth (field)

        **offset_azimuth**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXtransformations/AXISNAME-field>`

          Offset of azimuthal rotation.

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@transformation_type-attribute:

          .. index:: transformation_type (field attribute)

          **@transformation_type**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@transformation_type-attribute>`


            Obligatory value: ``rotation``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@vector-attribute:

          .. index:: vector (field attribute)

          **@vector**: (required) :ref:`NX_CHAR <NX_CHAR>` 


            Obligatory value: ``[0, 0, 1]``

          .. _/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@depends_on-attribute:

          .. index:: depends_on (field attribute)

          **@depends_on**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXtransformations/AXISNAME@depends_on-attribute>`


            Obligatory value: ``sample_azimuth``

    .. _/NXmpes_arpes/ENTRY/data-group:

    **data**: (required) :ref:`NXdata` :ref:`⤆ </NXmpes/ENTRY/data-group>`


      .. _/NXmpes_arpes/ENTRY/data@signal-attribute:

      .. index:: signal (group attribute)

      **@signal**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXmpes/ENTRY/data@signal-attribute>`

        .. collapse:: There is an object named data that contains the signal. ...

            There is an object named data that contains the signal.

            Obligatory value: ``data``

      .. _/NXmpes_arpes/ENTRY/data@axes-attribute:

      .. index:: axes (group attribute)

      **@axes**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXdata@axes-attribute>`

        .. collapse:: There are three dimensions, one energy and two angular coordinates. Any co ...

            There are three dimensions, one energy and two angular coordinates. Any coordinates that do not move,
            are represented by one point.

            Obligatory value: ``['angular0', 'angular1', 'energy']``

      .. _/NXmpes_arpes/ENTRY/data@energy_indices-attribute:

      .. index:: energy_indices (group attribute)

      **@energy_indices**: (required) :ref:`NX_CHAR <NX_CHAR>` 


      .. _/NXmpes_arpes/ENTRY/data@angular0_indices-attribute:

      .. index:: angular0_indices (group attribute)

      **@angular0_indices**: (required) :ref:`NX_CHAR <NX_CHAR>` 


      .. _/NXmpes_arpes/ENTRY/data@angular1_indices-attribute:

      .. index:: angular1_indices (group attribute)

      **@angular1_indices**: (required) :ref:`NX_CHAR <NX_CHAR>` 


      .. _/NXmpes_arpes/ENTRY/data@angular0_depends-attribute:

      .. index:: angular0_depends (group attribute)

      **@angular0_depends**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXdata@AXISNAME_depends-attribute>`

        .. collapse:: Points to the path to a field defining the axis on which the angular axis  ...

            Points to the path to a field defining the axis on which the angular axis depends.
            For example:
            @angular0_depends: '/entry/sample/transformations/sample_tilt' for a manipulator angular scan
            @angular0_depends: '/entry/instrument/detector/sensor_x' for a 2D detector
            @angular0_depends: '/entry/instrument/collectioncolumn/deflector' for a deflector scan
            @angular0_depends: '/entry/process/calibration/angular0_calibration/calibrated_axis' for a preprocessed axis.

      .. _/NXmpes_arpes/ENTRY/data@angular1_depends-attribute:

      .. index:: angular1_depends (group attribute)

      **@angular1_depends**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXdata@AXISNAME_depends-attribute>`

        .. collapse:: Points to the path to a field defining the axis on which the angular axis  ...

            Points to the path to a field defining the axis on which the angular axis depends.
            For example:
            @angular1_depends: '/entry/sample/transformations/sample_polar' for a manipulator angular scan
            @angular1_depends: '/entry/instrument/detector/sensor_x' for a 2D detector
            @angular1_depends: '/entry/instrument/collectioncolumn/deflector' for a deflector scan
            @angular1_depends: '/entry/process/calibration/angular1_calibration/calibrated_axis' for a preprocessed axis.

      .. _/NXmpes_arpes/ENTRY/data@energy_depends-attribute:

      .. index:: energy_depends (group attribute)

      **@energy_depends**: (required) :ref:`NX_CHAR <NX_CHAR>` :ref:`⤆ </NXmpes/ENTRY/data@energy_depends-attribute>`

        .. collapse:: Points to the path to a field defining the axis on which the energy axis d ...

            Points to the path to a field defining the axis on which the energy axis depends.
            For example:
            @energy_depends: '/entry/instrument/detector/sensor_y' for a 2D detector
            @energy_depends: '/entry/instrument/energydispersion/center_kinetic_energy' for a swept scan
            @energy_depends: '/entry/process/calibration/energy_calibration/calibrated_axis' for a preprocessed axis.

      .. _/NXmpes_arpes/ENTRY/data/energy-field:

      .. index:: energy (field)

      **energy**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ENERGY <NX_ENERGY>`} :ref:`⤆ </NXmpes/ENTRY/data/energy-field>`

        .. collapse:: Trace of the energy axis. Could be linked from the respective 'AXISNAME_de ...

            Trace of the energy axis. Could be linked from the respective 'AXISNAME_depends'
            field.

      .. _/NXmpes_arpes/ENTRY/data/angular0-field:

      .. index:: angular0 (field)

      **angular0**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXdata/AXISNAME-field>`

        .. collapse:: Trace of the first angular axis. Could be linked from the respective ...

            Trace of the first angular axis. Could be linked from the respective
            'AXISNAME_depends' field.

      .. _/NXmpes_arpes/ENTRY/data/angular1-field:

      .. index:: angular1 (field)

      **angular1**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`} :ref:`⤆ </NXdata/AXISNAME-field>`

        .. collapse:: Trace of the second axis. Could be linked from the respective 'AXISNAME_de ...

            Trace of the second axis. Could be linked from the respective 'AXISNAME_depends'
            field.

      .. _/NXmpes_arpes/ENTRY/data/data-field:

      .. index:: data (field)

      **data**: (required) :ref:`NX_NUMBER <NX_NUMBER>` {units=\ :ref:`NX_ANY <NX_ANY>`} :ref:`⤆ </NXmpes/ENTRY/data/data-field>`

        .. collapse:: Represents a measure of three-dimensional photoemission counts, where ...

            Represents a measure of three-dimensional photoemission counts, where
            the varied axes are energy, and one or more angular coordinates. Axes traces
            should be linked to the actual encoder position in NXinstrument or calibrated axes in NXprocess.


Hypertext Anchors
-----------------

List of hypertext anchors for all groups, fields,
attributes, and links defined in this class.


* :ref:`/NXmpes_arpes/ENTRY-group </NXmpes_arpes/ENTRY-group>`
* :ref:`/NXmpes_arpes/ENTRY/data-group </NXmpes_arpes/ENTRY/data-group>`
* :ref:`/NXmpes_arpes/ENTRY/data/angular0-field </NXmpes_arpes/ENTRY/data/angular0-field>`
* :ref:`/NXmpes_arpes/ENTRY/data/angular1-field </NXmpes_arpes/ENTRY/data/angular1-field>`
* :ref:`/NXmpes_arpes/ENTRY/data/data-field </NXmpes_arpes/ENTRY/data/data-field>`
* :ref:`/NXmpes_arpes/ENTRY/data/energy-field </NXmpes_arpes/ENTRY/data/energy-field>`
* :ref:`/NXmpes_arpes/ENTRY/data@angular0_depends-attribute </NXmpes_arpes/ENTRY/data@angular0_depends-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/data@angular0_indices-attribute </NXmpes_arpes/ENTRY/data@angular0_indices-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/data@angular1_depends-attribute </NXmpes_arpes/ENTRY/data@angular1_depends-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/data@angular1_indices-attribute </NXmpes_arpes/ENTRY/data@angular1_indices-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/data@axes-attribute </NXmpes_arpes/ENTRY/data@axes-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/data@energy_depends-attribute </NXmpes_arpes/ENTRY/data@energy_depends-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/data@energy_indices-attribute </NXmpes_arpes/ENTRY/data@energy_indices-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/data@signal-attribute </NXmpes_arpes/ENTRY/data@signal-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/definition-field </NXmpes_arpes/ENTRY/definition-field>`
* :ref:`/NXmpes_arpes/ENTRY/definition@version-attribute </NXmpes_arpes/ENTRY/definition@version-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/geometries-group </NXmpes_arpes/ENTRY/geometries-group>`
* :ref:`/NXmpes_arpes/ENTRY/geometries/arpes_geometry-group </NXmpes_arpes/ENTRY/geometries/arpes_geometry-group>`
* :ref:`/NXmpes_arpes/ENTRY/geometries/arpes_geometry/depends_on-field </NXmpes_arpes/ENTRY/geometries/arpes_geometry/depends_on-field>`
* :ref:`/NXmpes_arpes/ENTRY/geometries/arpes_geometry/TRANSFORMATIONS-group </NXmpes_arpes/ENTRY/geometries/arpes_geometry/TRANSFORMATIONS-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT-group </NXmpes_arpes/ENTRY/INSTRUMENT-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution-group </NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/physical_quantity-field </NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/physical_quantity-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/resolution-field </NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/resolution-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/type-field </NXmpes_arpes/ENTRY/INSTRUMENT/angularN_resolution/type-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER-group </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution-group </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/physical_quantity-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/physical_quantity-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/resolution-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/resolution-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/type-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/angularN_resolution/type-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN-group </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN/angular_acceptance-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN/angular_acceptance-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN/scheme-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/COLLECTIONCOLUMN/scheme-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/depends_on-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/depends_on-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION-group </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/diameter-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/diameter-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/entrance_slit-group </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/entrance_slit-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/entrance_slit/shape-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/ENERGYDISPERSION/entrance_slit/shape-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations-group </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations-group>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@depends_on-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@transformation_type-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@vector-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_dispersion@vector-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@depends_on-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@transformation_type-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@vector-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_elevation@vector-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation-field </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation-field>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@depends_on-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@transformation_type-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@vector-attribute </NXmpes_arpes/ENTRY/INSTRUMENT/ELECTRONANALYSER/transformations/analyzer_rotation@vector-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE-group </NXmpes_arpes/ENTRY/SAMPLE-group>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/depends_on-field </NXmpes_arpes/ENTRY/SAMPLE/depends_on-field>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/situation-field </NXmpes_arpes/ENTRY/SAMPLE/situation-field>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations-group </NXmpes_arpes/ENTRY/SAMPLE/transformations-group>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth-field </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth-field>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@depends_on-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@transformation_type-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@vector-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_azimuth@vector-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar-field </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar-field>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@depends_on-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@transformation_type-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@vector-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_polar@vector-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt-field </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt-field>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@depends_on-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@transformation_type-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@vector-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/offset_tilt@vector-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth-field </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth-field>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@depends_on-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@transformation_type-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@vector-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_azimuth@vector-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar-field </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar-field>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@depends_on-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@transformation_type-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@vector-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_polar@vector-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt-field </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt-field>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@depends_on-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@depends_on-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@transformation_type-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@transformation_type-attribute>`
* :ref:`/NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@vector-attribute </NXmpes_arpes/ENTRY/SAMPLE/transformations/sample_tilt@vector-attribute>`

**NXDL Source**:
  https://github.com/FAIRmat-NFDI/nexus_definitions/tree/fairmat/contributed_definitions/NXmpes_arpes.nxdl.xml