A Database on properties of atoms, molecules and neutral or ionized gases, including chemical reactions. Five domains of physics, chemical physics and plasma physics are dealt with:
roperties of isolated atoms and molecules.
Collisions with photons.
Collisions with electrons.
Collisions and reactions between atoms and molecules.
Macroscopic properties of gases.
The GAPHYOR database no longer receives new entries since 2005. However, it is maintained online as long as possible as an archive for the scientific community.
Every GAPHYOR entry includes :
factual data : section, initial state, process and final state.
numerical data : energies, data values, additional information.
A bibliographical reference.