npac_detector.material
======================

.. py:module:: npac_detector.material


Classes
-------

.. autoapisummary::

   npac_detector.material.Material
   npac_detector.material.MaterialSlab


Module Contents
---------------

.. py:class:: Material(name: str, a: float, z: float, density: float, radiation_length: float)

   Describes the characteristics of a material

   .. attribute:: name

      Name of the material

      :type: str

   .. attribute:: z

      Atomic number

      :type: int

   .. attribute:: a

      Mass number

      :type: float

   .. attribute:: density

      Density  in g.cm-3

      :type: float

   .. attribute:: radiation_length

      Radiation length in mm

      :type: float


   .. py:attribute:: name


   .. py:attribute:: a


   .. py:attribute:: z


   .. py:attribute:: density


   .. py:attribute:: radiation_length


.. py:class:: MaterialSlab(thickness: float, material_type: Material)

   Describes a slab of a given material

   .. attribute:: thickness

      Thickness of the slab in mm

      :type: float

   .. attribute:: material_type

      Material of which the slab is made

      :type: Material


   .. py:attribute:: thickness


   .. py:attribute:: material_type


   .. py:method:: crossing_length(free_length: float, x_direction: float, y_direction: float) -> float

      Computes the crossing length of a particle in the slab and return it

      :param free_length: Distance travelled by the particle before entering the slab, in mm
      :param x_direction: x composant of the particle's unitary momentum vector
      :param y_direction: y composant of the particle's unitary momentum vector
      :return: Crossing length in mm