Saturation of the compression of two interacting magnetized plasma toroids evidenced in the laboratory by Sladkov, A, Fegan, C, Yao, W, Bott, AFA, Chen, SN, Ahmed, H, Filippov, ED, Lelièvre, R, Martin, P, McIlvenny, A, Waltenspiel, T, Antici, P, Borghesi, M, Pikuz, S, Ciardi, A, d’Humières, E, Soloviev, A, Starodubtsev, M, Fuchs, J