Measurements of $Z\gamma+$jets differential cross sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

The ATLAS collaboration
JHEP 07 (2023) 072, 2023.

Abstract
Differential cross-section measurements of $Z\gamma$ production in association with hadronic jets are presented, using the full 139 fb$^{-1}$ dataset of $\sqrt{s}=13$ TeV proton-proton collisions collected by the ATLAS detector during Run 2 of the LHC. Distributions are measured using events in which the $Z$ boson decays leptonically and the photon is usually radiated from an initial-state quark. Measurements are made in both one and two observables, including those sensitive to the hard scattering in the event and others which probe additional soft and collinear radiation. Different Standard Model predictions, from both parton-shower Monte Carlo simulation and fixed-order QCD calculations, are compared with the measurements. In general, good agreement is observed between data and predictions from MATRIX and MiNNLO$_\text{PS}$, as well as next-to-leading-order predictions from MadGraph5_aMC@NLO and Sherpa.

  • Table 1

    Fig. 5 (a) in paper

    10.17182/hepdata.135460.v2/t1

    Measured differential cross section as a function of observable $ p_{T}^{ll}$. Error on the measured cross-section include all the systematic...

  • Table 2

    Fig. 5 (b) in paper

    10.17182/hepdata.135460.v2/t2

    Measured differential cross section as a function of observable $ p_{T}^{ll} - p_{T}^{\gamma}$. Error on the measured cross-section include all...

  • Table 3

    Fig. 5 (c) in paper

    10.17182/hepdata.135460.v2/t3

    Measured differential cross section as a function of observable $ p_{T}^{ll} + p_{T}^{\gamma}$. Error on the measured cross-section include all...

  • Table 4

    Fig. 5 (d) in paper

    10.17182/hepdata.135460.v2/t4

    Measured differential cross section as a function of observable $ \Delta R (l,l)$. Error on the measured cross-section include all...

  • Table 5

    Fig. 6 (a) in paper

    10.17182/hepdata.135460.v2/t5

    Measured differential cross section as a function of observable $ N_{jets}$. Error on the measured cross-section include all the systematic...

  • Table 6

    Fig. 6 (b) in paper

    10.17182/hepdata.135460.v2/t6

    Measured differential cross section as a function of observable $ p_{T}^{Jet1}$. Error on the measured cross-section include all the systematic...

  • Table 7

    Fig. 6 (c) in paper

    10.17182/hepdata.135460.v2/t7

    Measured differential cross section as a function of observable $ p_{T}^{Jet2}$. Error on the measured cross-section include all the systematic...

  • Table 8

    Fig. 6 (d) in paper

    10.17182/hepdata.135460.v2/t8

    Measured differential cross section as a function of observable $ p_{T}^{Jet2}/p_{T}^{Jet1}$. Error on the measured cross-section include all the systematic...

  • Table 9

    Fig. 7 (a) in paper

    10.17182/hepdata.135460.v2/t9

    Measured differential cross section as a function of observable $ m_{jj}$. Error on the measured cross-section include all the systematic...

  • Table 10

    Fig. 7 (b) in paper

    10.17182/hepdata.135460.v2/t10

    Measured differential cross section as a function of observable $ m_{ll\gamma j}$. Error on the measured cross-section include all the...

  • Table 11

    Fig. 8 (a) in paper

    10.17182/hepdata.135460.v2/t11

    Measured differential cross section as a function of observable $ H_{T}$. Error on the measured cross-section include all the systematic...

  • Table 12

    Fig. 8 (b) in paper

    10.17182/hepdata.135460.v2/t12

    Measured differential cross section as a function of observable $ p_{T}^{\gamma} / \sqrt{H_{T}}$. Error on the measured cross-section include all...

  • Table 13

    Fig. 8 (c) in paper

    10.17182/hepdata.135460.v2/t13

    Measured differential cross section as a function of observable $ \Delta \phi (Jet,\gamma)$. Error on the measured cross-section include all...

  • Table 14

    Fig. 8 (d) in paper

    10.17182/hepdata.135460.v2/t14

    Measured differential cross section as a function of observable $ p_{T}^{ll\gamma j}$. Error on the measured cross-section include all the...

  • Table 15

    Fig. 9 (a) in paper

    10.17182/hepdata.135460.v2/t15

    Measured differential cross section as a function of observable $ \phi_{CS}$. Error on the measured cross-section include all the systematic...

  • Table 16

    Fig. 9 (b) in paper

    10.17182/hepdata.135460.v2/t16

    Measured differential cross section as a function of observable $ \cos \theta_{CS}$. Error on the measured cross-section include all the...

  • Table 17

    Fig. 10 (a) in paper

    10.17182/hepdata.135460.v2/t17

    Measured differential cross section as a function of observable $ p_{T}^{ll\gamma} / m_{ll\gamma}$. Error on the measured cross-section include all...

  • Table 18

    Fig. 10 (b) in paper

    10.17182/hepdata.135460.v2/t18

    Measured differential cross section as a function of observable $ p_{T}^{ll\gamma} / m_{ll\gamma}$. Error on the measured cross-section include all...

  • Table 19

    Fig. 10 (c) in paper

    10.17182/hepdata.135460.v2/t19

    Measured differential cross section as a function of observable $ p_{T}^{ll\gamma} / m_{ll\gamma}$. Error on the measured cross-section include all...

  • Table 20

    Fig. 11 (a) in paper

    10.17182/hepdata.135460.v2/t20

    Measured differential cross section as a function of observable $ p_{T}^{ll} - p_{T}^{\gamma}$. Error on the measured cross-section include all...

  • Table 21

    Fig. 11 (b) in paper

    10.17182/hepdata.135460.v2/t21

    Measured differential cross section as a function of observable $ p_{T}^{ll} - p_{T}^{\gamma}$. Error on the measured cross-section include all...

  • Table 22

    Fig. 11 (c) in paper

    10.17182/hepdata.135460.v2/t22

    Measured differential cross section as a function of observable $ p_{T}^{ll} - p_{T}^{\gamma}$. Error on the measured cross-section include all...

  • Table 23

    Fig. 12 (a) in paper

    10.17182/hepdata.135460.v2/t23

    Measured differential cross section as a function of observable $ p_{T}^{ll\gamma j}$. Error on the measured cross-section include all the...

  • Table 24

    Fig. 12 (b) in paper

    10.17182/hepdata.135460.v2/t24

    Measured differential cross section as a function of observable $ p_{T}^{ll\gamma j}$. Error on the measured cross-section include all the...

  • Table 25

    Fig. 12 (c) in paper

    10.17182/hepdata.135460.v2/t25

    Measured differential cross section as a function of observable $ p_{T}^{ll\gamma j}$. Error on the measured cross-section include all the...

  • Table 26

    10.17182/hepdata.135460.v2/t26

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{\gamma} / \sqrt{H_{T}}$ (Fig....

  • Table 27

    10.17182/hepdata.135460.v2/t27

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ H_{T}$ (Fig. 8 (a))

  • Table 28

    10.17182/hepdata.135460.v2/t28

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ \Delta \phi (Jet,\gamma)$ (Fig....

  • Table 29

    10.17182/hepdata.135460.v2/t29

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ \Delta R (l,l)$ (Fig....

  • Table 30

    10.17182/hepdata.135460.v2/t30

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll} - p_{T}^{\gamma}$ (Fig....

  • Table 31

    10.17182/hepdata.135460.v2/t31

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll} - p_{T}^{\gamma} \textrm{...

  • Table 32

    10.17182/hepdata.135460.v2/t32

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll} - p_{T}^{\gamma} \textrm{...

  • Table 33

    10.17182/hepdata.135460.v2/t33

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll} - p_{T}^{\gamma} \textrm{...

  • Table 34

    10.17182/hepdata.135460.v2/t34

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ m_{jj}$ (Fig. 7 (a))

  • Table 35

    10.17182/hepdata.135460.v2/t35

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ m_{ll\gamma j}$ (Fig. 7...

  • Table 36

    10.17182/hepdata.135460.v2/t36

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ N_{jets}$ (Fig. 6 (a))

  • Table 37

    10.17182/hepdata.135460.v2/t37

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{Jet1}$ (Fig. 6 (b))

  • Table 38

    10.17182/hepdata.135460.v2/t38

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{Jet2}$ (Fig. 6 (c))

  • Table 39

    10.17182/hepdata.135460.v2/t39

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{Jet2}/p_{T}^{Jet1}$ (Fig. 6 (d))

  • Table 40

    10.17182/hepdata.135460.v2/t40

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll}$ (Fig. 5 (a))

  • Table 41

    10.17182/hepdata.135460.v2/t41

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll\gamma j}$ (Fig. 8...

  • Table 42

    10.17182/hepdata.135460.v2/t42

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll\gamma j} \textrm{ in...

  • Table 43

    10.17182/hepdata.135460.v2/t43

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll\gamma j} \textrm{ in...

  • Table 44

    10.17182/hepdata.135460.v2/t44

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll\gamma j} \textrm{ in...

  • Table 45

    10.17182/hepdata.135460.v2/t45

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll\gamma} / m_{ll\gamma} \textrm{...

  • Table 46

    10.17182/hepdata.135460.v2/t46

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll\gamma} / m_{ll\gamma} \textrm{...

  • Table 47

    10.17182/hepdata.135460.v2/t47

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll\gamma} / m_{ll\gamma} \textrm{...

  • Table 48

    10.17182/hepdata.135460.v2/t48

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ p_{T}^{ll} + p_{T}^{\gamma}$ (Fig....

  • Table 49

    10.17182/hepdata.135460.v2/t49

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ \cos \theta_{CS}$ (Fig. 9...

  • Table 50

    10.17182/hepdata.135460.v2/t50

    Correlation matrix of the statistical uncertainties in the measured fiducial cross section for the observable $ \phi_{CS}$ (Fig. 9 (a))

Version 2 modifications: Tables 15 and 16 in v1 were problematic as they caused unexpected results when exporting to other formats. The tables were split into separate tables.

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