Abstract
Quantum close-coupled calculations of the collisional self-broadening of the 540.06 nm neon line (3s[3/2](1) - 3p'[1/2](0)) are presented for temperatures from 70 K to 900 K. These calculations are based on the quantum-mechanical impact theory of Baranger and represent the interatomic interaction by adiabatic molecular potentials: calculated using model potentials for the electron atom and atomic core-core interactions. The calculated widths and shifts vary smoothly with temperature and are accurately given across the temperature range by fourth order polynomial fits.
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