Bimagnon studies in cuprates with resonant inelastic x-ray scattering at the Ο Κ edge. I. Assessment on La2Cu04 and comparison with the excitation at Cu L3 and Cu K edges. - Bisogni, V.; Simonelli, L.; Ament, L. J. P.; Forte, F.; Sala, M. Moretti; Minola, M.; Huotari, S.; van den Brink, J.; Ghiringhelli, G.; Brookes, N. B.; Braicovich, L. (Physical Review B: Condensed Matter & Materials Physics, 2012)