  E \bigl[  \mathrm{e}^{\mathrm{i}\sum_{j=0}^k\theta_jB_{t_j}^{(0)}} \mathrm{e}^{\mathrm{i}\sum_{j=0}^k \mu_j B^{(0)}_{t_j}} \mathrm{e}^{\mathrm{i}\lambda \e^{ \sfrac 00 - H} \widetilde{G}_{\varepsilon }}  \bigr]