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Last updated on 2025-11-05 10:34
Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Inclusive and differential cross section measurements of top quark pair ($\mathrm{t\bar{t}}$) production in association with a photon ($γ$) are performed as a function of lepton, photon, top quark, and $\mathrm{t\bar{t}}$ kinematic observables, using data from proton-proton collisions at $\sqrt{s}$ = 13 TeV, corresponding to an integrated luminosity of 138 fb$^{-1}$. Events containing two leptons (electrons or muons) and a photon in the final state are considered. The fiducial cross section of $\mathrm{t\bar{t}}γ$ is measured to be 137 $\pm$ 8 fb, in a phase space including events with a high momentum, isolated photon. The fiducial cross section of $\mathrm{t\bar{t}}γ$ is also measured to be 56 $\pm$ 5 fb when considering only events where the photon is emitted in the production part of the process. Both measurements are in agreement with the theoretical predictions, of 126 $\pm$ 19 fb and 57 $\pm$ 5 fb, respectively. Differential measurements are performed at the particle and parton levels. Additionally, inclusive and differential ratios between the cross sections of $\mathrm{t\bar{t}}γ$ and $\mathrm{t\bar{t}}$ production are measured. The inclusive ratio is found to be 0.0133 $\pm$ 0.0005, in agreement with the standard model prediction of 0.0127 $\pm$ 0.0008. The top quark charge asymmetry in $\mathrm{t\bar{t}}γ$ production is also measured to be $-$0.012 $\pm$ 0.042, compatible with both the standard model prediction and with no asymmetry.
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Data from Figure 7 (upper left), located on page 21.
10.17182/hepdata.157848.v1/t1
Absolute differential distributions of the leading top quark $p_{\mathrm{T}}$. The nominal MC prediction used to compare the experimental results to...
Figure 7b
Data from Figure 7 (upper right), located on page 21.
10.17182/hepdata.157848.v1/t2
Normalized differential distributions of the leading top quark $p_{\mathrm{T}}$. The nominal MC prediction used to compare the experimental results to...
Figure 7c
Data from Figure 7 (lower left), located on page 21.
10.17182/hepdata.157848.v1/t3
Absolute differential distributions of the $\Delta R (\gamma,\mathrm{tt})$. The nominal MC prediction used to compare the experimental results to is...
Figure 7d
Data from Figure 7 (lower right), located on page 21.
10.17182/hepdata.157848.v1/t4
Normalized differential distributions of the $\Delta R (\gamma,\mathrm{tt})$. The nominal MC prediction used to compare the experimental results to is...
Figure 8a
Data from Figure 8 (upper left), located on page 22.
10.17182/hepdata.157848.v1/t5
Absolute differential distributions of the min. $\Delta R (\gamma,\mathrm{t})$. The nominal MC prediction used to compare the experimental results to...
Figure 8b
Data from Figure 8 (upper right), located on page 22.
10.17182/hepdata.157848.v1/t6
Normalized differential distributions of the min. $\Delta R (\gamma,\mathrm{t})$. The nominal MC prediction used to compare the experimental results to...
Figure 8c
Data from Figure 8 (lower left), located on page 22.
10.17182/hepdata.157848.v1/t7
Absolute differential distributions of the $m(\mathrm{tt})$. The nominal MC prediction used to compare the experimental results to is obtained with...
Figure 8d
Data from Figure 8 (lower right), located on page 22.
10.17182/hepdata.157848.v1/t8
Normalized differential distributions of the $m(\mathrm{tt})$. The nominal MC prediction used to compare the experimental results to is obtained with...
Figure 9a
Data from Figure 9 (upper left), located on page 23.
10.17182/hepdata.157848.v1/t9
Absolute differential distributions of the leading lepton $p_{\mathrm{T}}$. The nominal MC prediction used to compare the experimental results to is...
Figure 9b
Data from Figure 9 (upper right), located on page 23.
10.17182/hepdata.157848.v1/t10
Normalized differential distributions of the leading lepton $p_{\mathrm{T}}$. The nominal MC prediction used to compare the experimental results to is...
Figure 9c
Data from Figure 9 (lower left), located on page 22.
10.17182/hepdata.157848.v1/t11
Absolute differential distributions of the photon $p_{\mathrm{T}}$. The nominal MC prediction used to compare the experimental results to is obtained...
Figure 9d
Data from Figure 9 (lower right), located on page 23.
10.17182/hepdata.157848.v1/t12
Normalized differential distributions of the photon $p_{\mathrm{T}}$. The nominal MC prediction used to compare the experimental results to is obtained...
Figure 10a
Data from Figure 10 (left), located on page 24.
10.17182/hepdata.157848.v1/t13
Absolute differential distributions of the $\Delta \phi (\ell,\ell)$. The nominal MC prediction used to compare the experimental results to is...
Figure 10b
Data from Figure 10 (right), located on page 24.
10.17182/hepdata.157848.v1/t14
Normalized differential distributions of the $\Delta \phi (\ell,\ell)$. The nominal MC prediction used to compare the experimental results to is...
Figure 12a
Data from Figure 12 (left), located on page 26.
10.17182/hepdata.157848.v1/t15
Absolute differential distributions of the ratio between the cross sections of $\mathrm{tt\gamma}$ and $\mathrm{tt}$, as a function of the leading...
Figure 12b
Data from Figure 12 (right), located on page 26.
10.17182/hepdata.157848.v1/t16
Absolute differential distributions of the ratio between the cross sections of $\mathrm{tt\gamma}$ and $\mathrm{tt}$, as a function of the leading...
Total correlation for the leading top quark $p_{\mathrm{T}}$
Additional material related to Figure 7a - total
10.17182/hepdata.157848.v1/t17
Correlation matrix of the total uncertainty in the absolute differential cross section as a function of the leading top quark...
Stat. correlation for the leading top quark $p_{\mathrm{T}}$
Additional material related to Figure 7a - stat
10.17182/hepdata.157848.v1/t18
Correlation matrix of the statistical uncertainty in the absolute differential cross section as a function of the leading top quark...
Total correlation for the $\Delta R (\gamma,\mathrm{tt})$
Additional material related to Figure 7c - total
10.17182/hepdata.157848.v1/t19
Correlation matrix of the total uncertainty in the absolute differential cross section as a function of the $\Delta R (\gamma,\mathrm{tt})$.
Stat. correlation for the $\Delta R (\gamma,\mathrm{tt})$
Additional material related to Figure 7c - stat
10.17182/hepdata.157848.v1/t20
Correlation matrix of the statistical uncertainty in the absolute differential cross section as a function of the $\Delta R (\gamma,\mathrm{tt})$.
Total correlation for the min. $\Delta R (\gamma,\mathrm{t})$
Additional material related to Figure 8a - total
10.17182/hepdata.157848.v1/t21
Correlation matrix of the total uncertainty in the absolute differential cross section as a function of the min. $\Delta R...
Stat. correlation for the min. $\Delta R (\gamma,\mathrm{t})$
Additional material related to Figure 8a - stat
10.17182/hepdata.157848.v1/t22
Correlation matrix of the statistical uncertainty in the absolute differential cross section as a function of the min. $\Delta R...
Total correlation for the $m(\mathrm{tt})$
Additional material related to Figure 8c - total
10.17182/hepdata.157848.v1/t23
Correlation matrix of the total uncertainty in the absolute differential cross section as a function of the $m(\mathrm{tt})$.
Stat. correlation for the $m(\mathrm{tt})$
Additional material related to Figure 8c - stat
10.17182/hepdata.157848.v1/t24
Correlation matrix of the statistical uncertainty in the absolute differential cross section as a function of the $m(\mathrm{tt})$.
Total correlation for the leading lepton $p_{\mathrm{T}}$
Additional material related to Figure 9a - total
10.17182/hepdata.157848.v1/t25
Correlation matrix of the total uncertainty in the absolute differential cross section as a function of the leading lepton $p_{\mathrm{T}}$.
Stat. correlation for the leading lepton $p_{\mathrm{T}}$
Additional material related to Figure 9a - stat
10.17182/hepdata.157848.v1/t26
Correlation matrix of the statistical uncertainty in the absolute differential cross section as a function of the leading lepton $p_{\mathrm{T}}$.
Total correlation for the photon $p_{\mathrm{T}}$
Additional material related to Figure 9c - total
10.17182/hepdata.157848.v1/t27
Correlation matrix of the total uncertainty in the absolute differential cross section as a function of the photon $p_{\mathrm{T}}$.
Stat. correlation for the photon $p_{\mathrm{T}}$
Additional material related to Figure 9c - stat
10.17182/hepdata.157848.v1/t28
Correlation matrix of the statistical uncertainty in the absolute differential cross section as a function of the photon $p_{\mathrm{T}}$.
Total correlation for the $\Delta \phi (\ell,\ell)$
Additional material related to Figure 10a - total
10.17182/hepdata.157848.v1/t29
Correlation matrix of the total uncertainty in the absolute differential cross section as a function of the $\Delta \phi (\ell,\ell)$.
Stat. correlation for the $\Delta \phi (\ell,\ell)$
Additional material related to Figure 10a - stat
10.17182/hepdata.157848.v1/t30
Correlation matrix of the statistical uncertainty in the absolute differential cross section as a function of the $\Delta \phi (\ell,\ell)$.
Total corr. for the $p_{\mathrm{T}}(t_{1})$ (ratio)
Additional material related to Figure 12a - total
10.17182/hepdata.157848.v1/t31
Correlation matrix of the total uncertainty in the absolute differential $\mathrm{tt\gamma}$ / $\mathrm{tt}$ cross section ratio as a function of...
Stat. corr. for the $p_{\mathrm{T}}(t_{1})$ (ratio)
Additional material related to Figure 12a - stat
10.17182/hepdata.157848.v1/t32
Correlation matrix of the statistical uncertainty in the absolute differential $\mathrm{tt\gamma}$ / $\mathrm{tt}$ cross section ratio as a function of...
Total corr. for the $p_{\mathrm{T}}(\ell_{1})$ (ratio)
Additional material related to Figure 12b - total
10.17182/hepdata.157848.v1/t33
Correlation matrix of the total uncertainty in the absolute differential $\mathrm{tt\gamma}$ / $\mathrm{tt}$ cross section ratio as a function of...
Stat. corr. for the $p_{\mathrm{T}}(\ell_{1})$ (ratio)
Additional material related to Figure 12b - stat
10.17182/hepdata.157848.v1/t34
Correlation matrix of the statistical uncertainty in the absolute differential $\mathrm{tt\gamma}$ / $\mathrm{tt}$ cross section ratio as a function of...
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When using this data, please cite the original publication:
CMS
Collaboration
(2025).
Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV. CMS-TOP-23-002.
Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV. HEPData (collection).
https://doi.org/10.17182/hepdata.157848
or, if you prefer, a specific version of the
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CMS
Collaboration
(2025).
Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV (Version 1). HEPData (collection).
https://doi.org/10.17182/hepdata.157848.v1
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CMS
Collaboration
(2025).
“Figure 7a” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t1
CMS
Collaboration
(2025).
“Figure 7b” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t2
CMS
Collaboration
(2025).
“Figure 7c” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t3
CMS
Collaboration
(2025).
“Figure 7d” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t4
CMS
Collaboration
(2025).
“Figure 8a” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t5
CMS
Collaboration
(2025).
“Figure 8b” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t6
CMS
Collaboration
(2025).
“Figure 8c” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t7
CMS
Collaboration
(2025).
“Figure 8d” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t8
CMS
Collaboration
(2025).
“Figure 9a” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t9
CMS
Collaboration
(2025).
“Figure 9b” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t10
CMS
Collaboration
(2025).
“Figure 9c” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t11
CMS
Collaboration
(2025).
“Figure 9d” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t12
CMS
Collaboration
(2025).
“Figure 10a” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t13
CMS
Collaboration
(2025).
“Figure 10b” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t14
CMS
Collaboration
(2025).
“Figure 12a” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t15
CMS
Collaboration
(2025).
“Figure 12b” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t16
CMS
Collaboration
(2025).
“Total correlation for the leading top quark $p_{\mathrm{T}}$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t17
CMS
Collaboration
(2025).
“Stat. correlation for the leading top quark $p_{\mathrm{T}}$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t18
CMS
Collaboration
(2025).
“Total correlation for the $\Delta R (\gamma,\mathrm{tt})$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t19
CMS
Collaboration
(2025).
“Stat. correlation for the $\Delta R (\gamma,\mathrm{tt})$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t20
CMS
Collaboration
(2025).
“Total correlation for the min. $\Delta R (\gamma,\mathrm{t})$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t21
CMS
Collaboration
(2025).
“Stat. correlation for the min. $\Delta R (\gamma,\mathrm{t})$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t22
CMS
Collaboration
(2025).
“Total correlation for the $m(\mathrm{tt})$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t23
CMS
Collaboration
(2025).
“Stat. correlation for the $m(\mathrm{tt})$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t24
CMS
Collaboration
(2025).
“Total correlation for the leading lepton $p_{\mathrm{T}}$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t25
CMS
Collaboration
(2025).
“Stat. correlation for the leading lepton $p_{\mathrm{T}}$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t26
CMS
Collaboration
(2025).
“Total correlation for the photon $p_{\mathrm{T}}$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t27
CMS
Collaboration
(2025).
“Stat. correlation for the photon $p_{\mathrm{T}}$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t28
CMS
Collaboration
(2025).
“Total correlation for the $\Delta \phi (\ell,\ell)$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t29
CMS
Collaboration
(2025).
“Stat. correlation for the $\Delta \phi (\ell,\ell)$” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t30
CMS
Collaboration
(2025).
“Total corr. for the $p_{\mathrm{T}}(t_{1})$ (ratio)” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t31
CMS
Collaboration
(2025).
“Stat. corr. for the $p_{\mathrm{T}}(t_{1})$ (ratio)” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t32
CMS
Collaboration
(2025).
“Total corr. for the $p_{\mathrm{T}}(\ell_{1})$ (ratio)” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t33
CMS
Collaboration
(2025).
“Stat. corr. for the $p_{\mathrm{T}}(\ell_{1})$ (ratio)” of “Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.157848.v1/t34
When using this data, please cite the original publication:
CMS
Collaboration
(2025).
Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV. CMS-TOP-23-002.
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