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- What are the Feynman diagrams associated with the generating function of this free scalar field Lagrangian?

With free part L=-½(∂Φ)^2 -½m^2 Φ^2

and interaction term L=½gΦ^2

Any help would be appreciated, thank you.

and interaction term L=½gΦ^2

Any help would be appreciated, thank you.