Comparison of tritium measurement techniques for a laser cleaned JET tile

C. Stan-Sion, M. Enachescu, A. R. Petre, M. Duma, D. G. Ghita, G. Kizane, L. Baumane, J. Gabrusenoks, Mihails Haļitovs, L. Avotina, A. Zarins, J. Likonen, S. Koivuranta, M. Kiisk, JET-EFDA contributors