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A Database for Atoms, Molecules, Gases and Plasmas


GAPHYOR (GAz-PHYsics-ORsay) Data Center, located in Orsay at the Laboratoire de Physique des Gaz et des Plasmas LPGP, produces 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: GAPHYOR is based on a large coverage of the specialized literature in the fields of atomic and molecular physics, chemical physics and plasma physics. After a detailed analysis of papers by a team of scientific experts the information is coded and indexed in a concise and structured way. Data include bibliographical, factual and numerical information.


Data are available through:

GAPHYOR Handbook

A series of volumes including a selection of best entries in the whole database.

Internet Access



J.L.D., initiator and first contributor of Gaphyor (in french lang.)


contact If you want aditional information on Gaphyor, you can write to:
gaphyor.lpgp (at) u-psud.fr


last modification, may, 13, 2008