Is it possible to get betteran upper bound for $$\int_{0}^{T}|\zeta (\sigma +it)dt$$ with $0<\sigma <1/2$better than $<<T^{1.5-\sigma}$?$\ll_\sigma T^{3/2-\sigma}$ for $$\int_{0}^{T}|\zeta (\sigma +it)|\,dt,\qquad 0<\sigma<1/2\,?$$
Became Hot Network Question