Probing $HZγ$ and $Hγγ$ Anomalous Couplings in the Process of $e^+e^- \to Hγ$

We propose to measure the $HZγ$ and $Hγγ$ anomalous couplings in the process of $e^{+}e^{-}\rightarrow Hγ$ with the sequential decay of $H\to b{\bar b}$. The discovery potential of observing the anomalous couplings are explored in details. Our study shows that the electron-positron collider has a great potential of testing the $HZγ$ and $Hγγ$ couplings. Conservative bounds on the two anomalous couplings are also derived when no new physics signal were detected on top of the SM backgrounds.

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