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.
description: 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.