title: Getting the elastic scattering length by observing inelastic collisions in ultracold metastable helium atoms.
authors.affiliation: Laboratoire Charles Fabry de l'Institut d'Optique, UMR 8501 du CNRS, F-91403 Orsay, France.
authors.forename: S
authors.initials: S
authors.lastname: Seidelin
authors.forename: J Viana
authors.initials: JV
authors.lastname: Gomes
authors.forename: R
authors.initials: R
authors.lastname: Hoppeler
authors.forename: O
authors.initials: O
authors.lastname: Sirjean
authors.forename: D
authors.initials: D
authors.lastname: Boiron
authors.forename: A
authors.initials: A
authors.lastname: Aspect
authors.forename: C I
authors.initials: CI
authors.lastname: Westbrook