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The relative total theoretical uncertainty in the cross-section prediction of \jetp\ as a function of $\etg$ in different regions of $|\etag|$. The uncertainty from the scale variations, the uncertainty from the PDFs and the uncertainty from the value of $\as$ are also included.

The ratio of the NLO pQCD prediction of {\jetp} with $\muR=\muF=\muf=\etg$, the ratio of the NLO pQCD prediction of {\jetp} with $\muR=\muF=\muf=\etg/2$ and the ratio of the ME+PS@NLO QCD prediction of {\sher~2.2.2} to the measured differential cross section for isolated-photon production as a function of $\etg$ in different regions of $|\etag|$. The symbols for the data are centred at unity and the inner (outer) error bars represent the relative data statistical uncertainties (statistical and systematic uncertainties added in quadrature). The bands represent the full theoretical uncertainty, which includes the variations of the scales.

The ratio of the NNLO (NLO) QCD prediction of \nnlojet\ using the NNPDF3.1 PDF set to the measured differential cross section for isolated-photon production as a function of $\etg$ in different regions of $|\etag|$ is shown as a solid (dashed) line. The symbols for the data are centred at unity and the inner (outer) error bars represent the relative data statistical uncertainties (statistical and systematic uncertainties added in quadrature). The shaded bands represent the theoretical uncertainties, which include those due to the PDFs and $\as$ as estimated at NLO with \jetp.

The measured differential cross section for isolated-photon production as a function of $\etg$ in $|\etag|<0.6$ (black dots), $0.6<|\etag|<1.37$ (open circles), $1.56<|\etag|<1.81$ (black squares) and $1.81<|\etag|<2.37$ (open squares). The NLO pQCD prediction from \jetp, the ME+PS@NLO QCD prediction from \sher~2.2.2 and the NNLO QCD prediction from \nnlojet\ are also shown. The measurement and the predictions are normalised by the factors shown in parentheses to aid visibility. The error bars represent the data statistical uncertainties and systematic uncertainties added in quadrature. For most of the points, the error bars are smaller than the marker size and, thus, not visible. The bands represent the theoretical uncertainty associated with the predictions; in the case of \nnlojet, the uncertainties due to the PDFs and $\as$ are estimated at NLO with \jetp.

The relative total systematic uncertainty in the cross section (white areas) as a function of $\etg$ in different $|\etag|$ regions. The relative uncertainty due to the photon energy scale (grey areas), the relative uncertainty due to the photon identification efficiency (green areas) and the relative uncertainty due to $R^{\mathrm{bg}}$ (blue hatched areas) are also shown.

The relative total systematic uncertainty in the cross section (white areas) as a function of $\etg$ in different $|\etag|$ regions. The relative uncertainty due to the photon energy scale (grey areas), the relative uncertainty due to the photon identification efficiency (green areas) and the relative uncertainty due to $R^{\mathrm{bg}}$ (blue hatched areas) are also shown.

The ratio of the NLO pQCD prediction of {\jetp} with $\muR=\muF=\muf=\etg$ using the MMHT2014 PDF set to the measured differential cross section for isolated-photon production (solid lines) as a function of $\etg$ in different regions of $|\etag|$. The symbols for the data are centred at unity and the inner (outer) error bars represent the relative data statistical uncertainties (statistical and systematic uncertainties added in quadrature). The hatched bands represent the full theoretical uncertainty associated to the prediction based on the MMHT2014 PDF set, including the variations of the scales. For comparison, the predictions using the HERAPDF2.0 (dashed lines) and ABMP16 (dotted lines) PDF sets are also included.

The relative total theoretical uncertainty in the cross-section prediction of \jetp\ as a function of $\etg$ in different regions of $|\etag|$. The uncertainty from the scale variations, the uncertainty from the PDFs and the uncertainty from the value of $\as$ are also included.

The relative theoretical uncertainty in the cross-section prediction of \nnlojet\ arising from the scale variations as a function of $\etg$ in different regions of $|\etag|$: for NLO and NNLO QCD predictions.

The relative total systematic uncertainty in the cross section (white areas) as a function of $\etg$ in different $|\etag|$ regions. The relative statistical uncertainty from the data is also shown (cyan areas).

The measured double-differential cross section for isolated-photon production as a function of $|\etag|$ in $125<\etg<150$~\GeV\ (black dots), $300<\etg<350$~\GeV\ (open circles), $550<\etg<650$~\GeV\ (black squares) and $900<\etg<1100$~\GeV\ (open squares). The NLO pQCD prediction from \jetp, the ME+PS@NLO QCD prediction from \sher~2.2.2 and the NNLO QCD prediction from \nnlojet\ are also shown. The error bars represent the data statistical uncertainties and systematic uncertainties added in quadrature. For most of the points, the error bars are smaller than the marker size and, thus, not visible. The bands represent the theoretical uncertainty associated with the predictions; in the case of \nnlojet, the uncertainties due to the PDFs and $\as$ are estimated at NLO with \jetp.

The relative total systematic uncertainty in the cross section (white areas) as a function of $\etg$ in different $|\etag|$ regions. The relative uncertainty due to the photon energy scale (grey areas), the relative uncertainty due to the photon identification efficiency (green areas) and the relative uncertainty due to $R^{\mathrm{bg}}$ (blue hatched areas) are also shown.

The relative total theoretical uncertainty in the cross-section prediction of \sher~2.2.2 as a function of $\etg$ in different regions of $|\etag|$. The uncertainty from the scale variations, the uncertainty from the PDFs and the uncertainty from the value of $\as$ are also included.

The relative total theoretical uncertainty in the cross-section prediction of \sher~2.2.2 as a function of $\etg$ in different regions of $|\etag|$. The uncertainty from the scale variations, the uncertainty from the PDFs and the uncertainty from the value of $\as$ are also included.

The relative total theoretical uncertainty in the cross-section prediction of \sher~2.2.2 as a function of $\etg$ in different regions of $|\etag|$. The uncertainty from the scale variations, the uncertainty from the PDFs and the uncertainty from the value of $\as$ are also included.

The relative total theoretical uncertainty in the cross-section prediction of \jetp\ as a function of $\etg$ in different regions of $|\etag|$. The uncertainty from the scale variations, the uncertainty from the PDFs and the uncertainty from the value of $\as$ are also included.

The ratio of the NLO pQCD prediction of {\jetp} with $\muR=\muF=\muf=\etg$ using the MMHT2014 PDF set to the measured differential cross section for isolated-photon production (solid lines) as a function of $\etg$ in different regions of $|\etag|$. The symbols for the data are centred at unity and the inner (outer) error bars represent the relative data statistical uncertainties (statistical and systematic uncertainties added in quadrature). The hatched bands represent the full theoretical uncertainty associated to the prediction based on the MMHT2014 PDF set, including the variations of the scales. For comparison, the predictions using the CT14 (dashed lines) and NNPDF3.0 (dotted lines) PDF sets are also included.

The ratio of the NLO pQCD prediction of {\jetp} with $\muR=\muF=\muf=\etg$, the ratio of the ME+PS@NLO QCD prediction of {\sher~2.2.2} and the ratio of the NNLO QCD prediction of \nnlojet\ to the measured differential cross section for isolated-photon production as a function of $\etg$ in different regions of $|\etag|$. The symbols for the data are centred at unity and the inner (outer) error bars represent the relative data statistical uncertainties (statistical and systematic uncertainties added in quadrature). The bands represent the theoretical uncertainty; in the case of \nnlojet, the uncertainties due to the PDFs and $\as$ are estimated at NLO with \jetp.

The relative total systematic uncertainty in the cross section (white areas) as a function of $\etg$ in different $|\etag|$ regions. The relative statistical uncertainty from the data is also shown (cyan areas).

The relative total theoretical uncertainty in the cross-section prediction of \jetp\ as a function of $\etg$ in different regions of $|\etag|$. The uncertainty from the scale variations, the uncertainty from the PDFs and the uncertainty from the value of $\as$ are also included.

The relative theoretical uncertainty in the cross-section prediction of \nnlojet\ arising from the scale variations as a function of $\etg$ in different regions of $|\etag|$: for NLO and NNLO QCD predictions.

The relative total systematic uncertainty in the cross section (white areas) as a function of $\etg$ in different $|\etag|$ regions. The relative statistical uncertainty from the data is also shown (cyan areas).

The relative total systematic uncertainty in the cross section (white areas) as a function of $\etg$ in different $|\etag|$ regions. The relative statistical uncertainty from the data is also shown (cyan areas).

The relative total systematic uncertainty in the cross section (white areas) as a function of $\etg$ in different $|\etag|$ regions. The relative uncertainty due to the photon energy scale (grey areas), the relative uncertainty due to the photon identification efficiency (green areas) and the relative uncertainty due to $R^{\mathrm{bg}}$ (blue hatched areas) are also shown.

The relative theoretical uncertainty in the cross-section prediction of \nnlojet\ arising from the scale variations as a function of $\etg$ in different regions of $|\etag|$: for NLO and NNLO QCD predictions.

The relative theoretical uncertainty in the cross-section prediction of \nnlojet\ arising from the scale variations as a function of $\etg$ in different regions of $|\etag|$: for NLO and NNLO QCD predictions.

The relative total theoretical uncertainty in the cross-section prediction of \sher~2.2.2 as a function of $\etg$ in different regions of $|\etag|$. The uncertainty from the scale variations, the uncertainty from the PDFs and the uncertainty from the value of $\as$ are also included.