Determination of the calcium ground state scattering length by photoassociation spectroscopy at large detuningsF. Vogt, Ch. Grain, T. Nazarova, U. Sterr, F. Riehle, Ch. Lisdat and E. TiemannEur. Phys. J. D, 44 1 (2007) 73-79DOI: https://doi.org/10.1140/epjd/e2007-00175-8