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I Compton scattering amplitude and propagator
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The discussion revolves around proving the propagator in the context of Compton scattering amplitude. The responder emphasizes that the explanation will depend on the participant's background in quantum field theory (QFT). They inquire about the individual's familiarity with concepts like quantizing the Dirac field and understanding propagation amplitudes. Clarifying the level of knowledge in QFT is essential for providing an appropriate response. The conversation highlights the importance of tailoring explanations to the audience's expertise in the subject.
My question is about the following graph:
I keep on reading that fusing atoms up until Fe-56 doesn’t cost energy and only releases binding energy. However, I understood that fusing atoms also require energy to overcome the positive charges of the protons. Where does that energy go after fusion? Does it go into the mass of the newly fused atom, escape as heat or is the released binding energy shown in the graph actually the net energy after subtracting the required fusion energy?
I...