Atomic and Molecular Data for Hydrogen and Helium in Fusion Plasma

Dear Colleagues,

In the divertor and near-wall region of magnetic confinement fusion plasma experiments processes involving neutral atoms, molecules, and molecular ions are important. The primary plasma constituents are hydrogen and helium and their isotopes and the molecules and molecular ions may be in rovibrationally or electronically excited states. For a complete description, one needs cross-sections for collisions with electrons, collisions among the heavy particles, photon-induced and radiative processes and processes on the walls, all resolved with respect to rovibrational excited states and with respect to the hydrogen isotope (H, D, T). The present Special Issue contains contributions on fundamental data for collisional and radiative processes of hydrogen and helium in plasmas, including the negative ion H^- and molecules and molecular ions H₂, H₂⁺, H₃⁺, HeH⁺ and He₂⁺. Largely the contributions reflect work done in the context of an International Atomic Energy Agency (IAEA) Coordinated Research Project (CRP) on “Atomic and Molecular Data for State-Resolved Modelling of Hydrogen and Helium and Their Isotopes in Fusion Plasma”, but other contributions are welcome.

Dr. Bastiaan J. Braams
Dr. Xavier Urbain
Dr. Detlev Reiter
Dr. Viatcheslav Kokoouline
Guest Editors

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