Penning collisions of laser-cooled metastable helium atomsF. Pereira Dos Santos, F. Perales, J. Léonard, A. Sinatra, Junmin Wang, F. Saverio Pavone, E. Rasel, C. S. Unnikrishnan and M. LeducEur. Phys. J. D, 14 1 (2001) 15-22DOI: https://doi.org/10.1007/s100530170228