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Based on $e^{+}e^{-}$ collision data collected by the BESIII detector at theBEPCII collider at center-of-mass energies from 2.000 to 3.080 GeV, apartial-wave analysis is performed for the process $e^{+}e^{-} \toK^{+}K^{-}\pi^{0}$. The Born cross section of the process $e^{+}e^{-} \toK^{+}K^{-}\pi^{0}$ and its subprocesses $e^{+}e^{-} \to \phi \pi^{0}$,$K^{*}(892)K$ and $K^{*}_{2}(1430)K$ are measured. The results for $e^{+}e^{-}\to K^{+}K^{-}\pi^{0}$ and $\phi \pi^{0}$ are consistent with the BaBarmeasurements and with improved precision. By analyzing the cross section, ofthe subprocesses $e^{+}e^{-} \to$ $K^{*}(892)K$ and $K^{*}_{2}(1430)K$, astructure with mass $M_R$ = (2208 $\pm$ 19 $\pm$ 24) MeV/$c^{2}$ and width$\Gamma_R$ = (168 $\pm$ 24 $\pm$ 39) MeV is observed with a combinedstatistical significance of 7.6$\sigma$. The measured resonance parameterssuggest it can be identified as the $\phi(2170)$, thus the results providevaluable input to understand the internal nature of this state.

Measurement of $e^{+}e^{-} \to K^{+}K^{-}\pi^{0}$ cross section and observation of a resonant structure