Differential measurements of metastable Ar(3p5 4s, 3P 0,2) on Ar(3p6, 1S0) collisions at thermal energies J. Robert, G. Vassilev, I. Colomb de Daunant, J. Baudon et V. Bocvarski J. Physique Lett., 43 9 (1982) 299-303 DOI: 10.1051/jphyslet:01982004309029900