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The nucleon-nucleon interaction in the region of the nucleon kinetic energyup to 1000 MeV is analysed together with the reaction $\gamma d \to pn$ in thephoton energy range $E_{\gamma}=0-400$ MeV. Nine nucleon-nucleon $s$-channelpartial amplitudes are reconstructed in the dispersion relation $N/D$ method:$^1S_0$, $^3S_1-^3D_1$, $^3P_0$, $^1P_1$, $^3P_1$, $^3P_2$, $^1D_2$, $^3D_2$and $^3F_3$. Correspondingly, the dispersive representation of partialamplitudes $N\Delta \to pn$, $NN^* \to pn$ and $NN\pi \to pn$ is given. Basingon that, we have performed parameter-free calculation of the amplitude $\gammad \to pn$, taking into account: $(i)$ pole diagram, $(ii)$ nucleon-nucleonfinal-state rescattering $\gamma d \to pn \to pn$, and $(iii)$ inelasticfinal-state rescatterings $\gamma d \to N\Delta(1232) \to pn$, $\gamma d \toNN^*(1400) \to pn$ and $\gamma d \to NN\pi \to pn$. The $\gamma d \to pn$partial amplitudes for nine above-mentioned channels are found. It is shownthat the process $\gamma d \to pn \to pn$ is significant for the waves $^1S_0$,$^3P_0$, $^3P_1$, at $E_{\gamma} =50 -100$ MeV, while $\gamma d \to N\Delta \topn$ for the waves $^3P_2$, $^1D_2$,$^3F_3$ dominates at $E_{\gamma} > 300$ MeV.Meson exchange current contributions into the deuteron disintegration areestimated: they are significant at $E_\gamma =100-400$ MeV.Comment: 22 pages, LaTeX, epsfig.sty, tabl

Low- and intermediate-energy nucleon-nucleon interactions and the analysis of deuteron photodisintegration within the dispersion relation technique