Measurement of the mass and width of the ${\mathrm{\Lambda }}_c(2625{)}^{+}$ and the branching ratios of ${\mathrm{\Lambda }}_c(2625{)}^{+}\to {\mathrm{\Sigma }}_c^0{\pi }^{+}$ and ${\mathrm{\Lambda }}_c(2625{)}^{+}\to {\mathrm{\Sigma }}_c^{++}{\pi }^{-}$

Using the entire data sample of $980{\text{fb}}^{-1}$ collected with the Belle detector operating at the KEKB asymmetric-energy collider, we report the measurement of the mass, width, and the relative branching ratios of the ${\mathrm{\Lambda }}_c(2625{)}^{+}$ charmed baryon. The mass difference between ${\mathrm{\Lambda }}_c(2625{)}^{+}$ and ${\mathrm{\Lambda }}_c^{+}$ is measured to be $M({\mathrm{\Lambda }}_c(2625{)}^{+})-M({\mathrm{\Lambda }}_c^{+})=341.518\pm 0.006\pm 0.049\mathrm{M}\mathrm{e}\mathrm{V}\mathrm{/}{c}^2$. The upper limit on the width is measured to be $\mathrm{\Gamma }({\mathrm{\Lambda }}_c(2625{)}^{+})<0.52\mathrm{M}\mathrm{e}\mathrm{V}\mathrm{/}{\mathit{\text{c}}}^2$ at 90% credibility level. Based on a full Dalitz plot fit, branching ratios with respect to the mode ${\mathrm{\Lambda }}_c(2625{)}^{+}\to {\mathrm{\Lambda }}_c^{+}{\pi }^{+}{\pi }^{-}$ are measured to be $\frac{\mathcal{B}({\mathrm{\Lambda }}_c(2625{)}^{+}\to {\mathrm{\Sigma }}_c^0{\pi }^{+})}{\mathcal{B}({\mathrm{\Lambda }}_c(2625{)}^{+}\to {\mathrm{\Lambda }}_c^{+}{\pi }^{+}{\pi }^{-})}=(5.19\pm 0.23\pm 0.40)\mathrm{\%}$ and $\frac{\mathcal{B}({\mathrm{\Lambda }}_c(2625{)}^{+}\to {\mathrm{\Sigma }}_c^{++}{\pi }^{-})}{\mathcal{B}({\mathrm{\Lambda }}_c(2625{)}^{+}\to {\mathrm{\Lambda }}_c^{+}{\pi }^{+}{\pi }^{-})}=(5.13\pm 0.26\pm 0.32)\mathrm{\%}$. These measurements can be used to further constrain the parameters of the underlying theoretical models.