Particle basis of Feigin-Stoyanovsky’s type subspaces of level one sl_l+1(C)-modules

We construct particle basis for Feigin-Stoyanovsky's type subspaces of level $1$ standard $tilde{; ; mathfrak{; ; sl}; ; }; ; _{; ; ell+1}; ; (C)$- modules. From the description we obtain character formulas.