  We give sufficient conditions on an operator space $E$ and on a semigroup of
operators on a von Neumann algebra $M$ to obtain a bounded analytic or a
$R$-analytic semigroup $(T_t \otimes Id_E)_{t \geq 0}$ on the vector valued
noncommutative $L^p$-space $L^p(M,E)$. Moreover, we give applications to the
$H^\infty(\Sigma_\theta)$ functional calculus of the generators of these
semigroups, generalizing some earlier work of M. Junge, C. Le Merdy and Q. Xu.
