%0 Unpublished Work %A Dudas, Olivier %A Norton, Emily %T Decomposition numbers for the principal $\Phi _{2n}$-block of $\mathrm{Sp}_{4n}(q)$ and $\mathrm{SO}_{4n+1}(q)$ %J Annales de l'Institut Fourier %D 2024 %I Association des Annales de l’institut Fourier %Z Online first %R 10.5802/aif.3659 %G en %F AIF_0__0_0_A110_0