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Measurements of inclusive and differential cross-sections of combined $t\bar{t}\gamma$ and $tW\gamma$ production in the $e\mkern-2mu\mu$ channel at 13 TeV with the ATLAS detector

The collaboration
JHEP 09 (2020) 049, 2020.

Abstract (data abstract)
CERN-LHC-ATLAS. Measurements of the inclusive and differential fiducial cross-sections for ttbar+photon production using the electron-muon channel in proton-proton collisions at a centre-of-mass energy of 13 TeV with 139 fb$^{-1}$ of data collected between 2015 and 2018. The fiducial region for the electron-muon channel is defined as: - Exactly 1 electron and 1 muon, which have p$_{\text{T}}$ > 25 GeV and |$\eta$| < 2.5. Events with leptons originating from an intermediate tau-lepton in the top-quark decay chain are not considered. - Exactly 1 photon, which has p$_{\text{T}}$ > 20 GeV and |$\eta$| < 2.37 and passes the Frixione isolation criteria. - Exactly 1 $b$-jet and 1 $\bar{b}$-jet, which have p$_{\text{T}}$ > 25 GeV and |$\eta$| < 2.5. - The event is dropped if any of the following requirements is not fulfilled: $\Delta R(\gamma, \ell)$ > 0.4, $\Delta R(e,\mu)$ > 0.4, $\Delta R(b, \bar{b})$ > 0.4 or $\Delta R(\ell,b)$ > 0.4.

• #### Table 1

Data from Page 16 of preprint

10.17182/hepdata.94915.v1/t1

The measured fiducial cross-section in the electron-muon channel. The first uncertainty is the statistical uncertainty and the second one is...

• #### Table 2

Data from Figure 7A

10.17182/hepdata.94915.v1/t2

The absolute differential cross-section measured in the fiducial phase-space as a function of the photon pT in the electron-muon channel....

• #### Table 3

Data from Figure 7B

10.17182/hepdata.94915.v1/t3

The absolute differential cross-section measured in the fiducial phase-space as a function of the photon $|\eta|$ in the electron-muon channel....

• #### Table 4

Data from Figure 7C

10.17182/hepdata.94915.v1/t4

The absolute differential cross-section measured in the fiducial phase-space as a function of the minimum $\Delta R$ between the photon...

• #### Table 5

Data from Figure 7D

10.17182/hepdata.94915.v1/t5

The absolute differential cross-section measured in the fiducial phase-space as a function of the $\Delta\phi$ between the two leptons in...

• #### Table 6

Data from Figure 7E

10.17182/hepdata.94915.v1/t6

The absolute differential cross-section measured in the fiducial phase-space as a function of the $|\Delta\eta|$ between the two leptons in...

• #### Table 7

Data from Figure 8A

10.17182/hepdata.94915.v1/t7

The normalised differential cross-section measured in the fiducial phase-space as a function of the photon pT in the electron-muon channel....

• #### Table 8

Data from Figure 8B

10.17182/hepdata.94915.v1/t8

The normalised differential cross-section measured in the fiducial phase-space as a function of the photon $|\eta|$ in the electron-muon channel....

• #### Table 9

Data from Figure 8C

10.17182/hepdata.94915.v1/t9

The normalised differential cross-section measured in the fiducial phase-space as a function of the minimum $\Delta R$ between the photon...

• #### Table 10

Data from Figure 8D

10.17182/hepdata.94915.v1/t10

The normalised differential cross-section measured in the fiducial phase-space as a function of the $\Delta\phi$ between the two leptons in...

• #### Table 11

Data from Figure 8E

10.17182/hepdata.94915.v1/t11

The normalised differential cross-section measured in the fiducial phase-space as a function of the $|\Delta\eta|$ between the two leptons in...

• #### Table 12

10.17182/hepdata.94915.v1/t12

The total correlation matrix of the absolute differential cross-section measured in the fiducial phase-space as a function of the photon...

• #### Table 13

10.17182/hepdata.94915.v1/t13

The total correlation matrix of the absolute differential cross-section measured in the fiducial phase-space as a function of the photon...

• #### Table 14

10.17182/hepdata.94915.v1/t14

The total correlation matrix of the absolute differential cross-section measured in the fiducial phase-space as a function of the minimum...

• #### Table 15

10.17182/hepdata.94915.v1/t15

The total correlation matrix of the absolute differential cross-section measured in the fiducial phase-space as a function of the $\Delta\phi$...

• #### Table 16

10.17182/hepdata.94915.v1/t16

The total correlation matrix of the absolute differential cross-section measured in the fiducial phase-space as a function of the $|\Delta\eta|$...

• #### Table 17

10.17182/hepdata.94915.v1/t17

The total correlation matrix of the normalised differential cross-section measured in the fiducial phase-space as a function of the photon...

• #### Table 18

10.17182/hepdata.94915.v1/t18

The total correlation matrix of the normalised differential cross-section measured in the fiducial phase-space as a function of the photon...

• #### Table 19

10.17182/hepdata.94915.v1/t19

The total correlation matrix of the normalised differential cross-section measured in the fiducial phase-space as a function of the minimum...

• #### Table 20

10.17182/hepdata.94915.v1/t20

The total correlation matrix of the normalised differential cross-section measured in the fiducial phase-space as a function of the $\Delta\phi$...

• #### Table 21

10.17182/hepdata.94915.v1/t21

The total correlation matrix of the normalised differential cross-section measured in the fiducial phase-space as a function of the $|\Delta\eta|$...

• #### Table 22

10.17182/hepdata.94915.v1/t22

The statistical correlation matrix of all the absolute differential cross-sections measured in the fiducial phase-space in the electron-muon channel.

• #### Table 23

10.17182/hepdata.94915.v1/t23

The statistical correlation matrix of all the normalised differential cross-sections measured in the fiducial phase-space in the electron-muon channel.

• #### Table 24

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Fiducial region definition.