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hep-th2026
Discontinuity at the Pole
Dominik Haslehner, Elena Kaiser, Javi Serra +1
The exchange of a particle whose mass is taken to zero need not reproduce the exchange of a particle that is strictly massless from the outset. We derive a general on-shell diagnos…
hep-th2025★ 4 cited
Renormalising the Field-Space Geometry
Patrick Aigner, Luigi Bellafronte, Emanuele Gendy +2
We present a systematic study of one-loop quantum corrections in scalar effective field theories from a geometric viewpoint, emphasizing the role of field-space curvature and its r…