Multicoincidence measurements of double photoionization in helium Huetz, A. ; Lablanquie, P. ; Andric, L. ; Selles, P. ; Mazeau, J. Abstract Publication: Journal of Physics B Atomic Molecular Physics Pub Date: January 1994 DOI: 10.1088/0953-4075/27/1/003 Bibcode: 1994JPhB...27L..13H