Euclid preparation - XXXVI. Modelling the weak lensing angular power spectrum Euclid Collaboration, A. C. Deshpande, T. Kitching, A. Hall, M. L. Brown, N. Aghanim, L. Amendola, S. Andreon, N. Auricchio, M. Baldi et al. (195 more) A&A, 684 (2024) A138 Published online: 17 April 2024 DOI: 10.1051/0004-6361/202346110