Probing the Higgs Self-Coupling with an XFEL Compton $\gamma \gamma$ Collider at $\sqrt{s}=380$ GeV

Santiago Ampudia Castelazo, Umar Sohail Qureshi, Tim Barklow +1

We present a study probing the Higgs self-coupling with the X-ray free-electron laser Compton $\gamma \gamma$ Collider (XCC) concept. The analysis is performed considering the $γγ\to HH \to b…