S.  Guenther, Spezzani, C., Ciprian, R., Grazioli, C., Ressel, B., Coreno, M., Poletto, L., Miotti, P., Sacchi, M., Panaccione, G., Uhlir, V., Fullerton, E. E., De Ninno, G., and Back, C. H., ?Testing spin-flip scattering as a possible mechanism of ultrafast demagnetization in ordered magnetic alloys?, Physical review. B, Condensed matter and materials physics, vol. 90, 2014.