Angular correlation measurements in a thermal beam of H* (2s) atoms using a Stern-Gerlach atomic axicon J. Robert, Ch. Miniatura, S. Nic Chormaic, J. Lawson-Daku, O. Gorceix, F. Perales and J. Baudon J. Phys. II France, 4 11 (1994) 2061-2071 DOI: 10.1051/jp2:1994247