MaterialInformation.yml

# Atom definition in terms of Z and A
Atom: !record
  fields:
    # A
    massNumber: uint
    # Z
    atomicNumber: uint

# Specification of materials used in the scanner.
# TODO agree with vendors if this information can be supplied and to what accuracy
# Ideally this list should be reasonably accurate to be useful for Monte Carlo simulations, but can be approximate.
BulkMaterial: !record
  fields:
    # unique id that can be used to refer to the material in voxelised maps etc
    id: uint
    # informative string, not standardised.
    # Expected examples:
    # detecting: BGO, LSO, LYSO, LaBr, GAGG, plastic
    # non-detecting: tungsten, lead
    name: string
    # density of the material
    # Units: g/cc
    density: float
    # List of atoms
    atoms: Atom*
    # List of massFractions for the atoms.
    # constraint: sum of massFractions should be 1
    # constraint:  size(atoms) == size(massFractions)
    massFractions: float*