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I'm trying to obtain the disconnected loop diagrams in the pictures in latex, it could be fine with any Feynman diagrams package. Could you give me some suggestions? diagram 1

[diagram 2][2] enter image description here

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    Welcome. // Use Tikz, which at least the newer Feynman packages use anyway. Start reading the tutorials in the pgfmanual several times. We look forward to see your code-trials. – MS-SPO Aug 24 '23 at 14:18

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