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Measurements of the Higgs boson inclusive and differential fiducial cross sections in the 4$\ell$ decay channel at $\sqrt{s}$ = 13 TeV

The collaboration
Eur.Phys.J., 2020.

Abstract (data abstract)
Inclusive and differential fiducial cross sections of the Higgs boson are measured in the $H \to ZZ \to 4l$ ($l$ = $e$;$\mu$) decay channel. The results are based on proton-proton collision data produced at the Large Hadron Collider at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector from 2015 to 2018, equivalent to an integrated luminosity of 139 fb$^{-1}$. The inclusive fiducial cross section for the $H \to ZZ \to 4l$ process is measured to be $\sigma_{fid}$ = $3.28 \pm 0.32$ fb, in agreement with the Standard Model prediction of $\sigma_{fid,SM}$ = $3.41 \pm 0.18$ fb. Differential fiducial cross sections are measured for a variety of observables which are sensitive to the production and decay of the Higgs boson. All measurements are in agreement with the Standard Model predictions. The results are used to constrain anomalous Higgs boson interactions with Standard Model particles.

• #### Table 5- Uncertainties

Data from Table 5

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Fractional uncertainties for the inclusive fiducial and total cross sections, and range of systematic uncertainties for the differential measurements. The...

• #### Table 6 - Yields

Data from Table 6

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Expected (pre-fit) and observed number of events in the four decay final states after the event selection, in the mass...

• #### Table 7 - Fiducial and Total Cross Sections

Data from Table 7

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The fiducial and total cross sections of Higgs boson production measured in the 4l final state. The fiducial cross sections...

• #### Figure 18b - Corr. Mtx for Fiducial Cross Sections

Data from Figure 18b

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Correlation matrix between the fiducial cross sections for the four individual decay final states and the $ZZ^{*}$ normalisation factor.

• #### Figure 19a - Diff. Fid. XS for $p_{T}^{4l}$

Data from Figure 19a

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Differential fiducial cross section for the transverse momentum $p_{T}^{4l}$ of the Higgs boson. The measured cross sections are compared to...

• #### Figure 19b - Corr. Mtx for $p_{T}^{4l}$

Data from Figure 19b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 20a - Diff. Fid. XS for $m_{12}$

Data from Figure 20a

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Differential fiducial cross section for the invariant mass $m_{12}$ of the leading Z boson. The measured cross sections are compared...

• #### Figure 20b - Corr. Mtx for $m_{12}$

Data from Figure 20b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 20c - Diff. Fid. XS for $m_{34}$

Data from Figure 20c

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Differential fiducial cross section for the invariant mass $m_{34}$ of the subleading Z boson. The measured cross sections are compared...

• #### Figure 20d - Corr. Mtx for $m_{34}$

Data from Figure 20d

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 21a - Diff. Fid. XS for $|y_{4l}|$

Data from Figure 21a

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Differential fiducial cross section for the rapidity $|y_{4l}|$ of the Higgs boson. The measured cross sections are compared to predictions...

• #### Figure 21b - Corr. Mtx for $|y_{4l}|$

Data from Figure 21b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 21c - Diff. Fid. XS for $|\cos\theta^{*}|$

Data from Figure 21c

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Differential fiducial cross section for the production angle $|\cos\theta^{*}|$ of the leading Z boson. The measured cross sections are compared...

• #### Figure 21d - Corr. Mtx for $|\cos\theta^{*}|$

Data from Figure 21d

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 22a - Diff. Fid. XS for $\cos\theta_{1}$

Data from Figure 22a

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Differential fiducial cross section for the production angle $\cos\theta_{1}$ of the anti-lepton from the leading Z boson. The measured cross...

• #### Figure 22b - Corr. Mtx for $\cos\theta_{1}$

Data from Figure 22b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 22c - Diff. Fid. XS for $\cos\theta_{2}$

Data from Figure 22c

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Differential fiducial cross section for the production angle $\cos\theta_{2}$ of the anti-lepton from the subleading Z boson. The measured cross...

• #### Figure 22d - Corr. Mtx for $\cos\theta_{2}$

Data from Figure 22d

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 23a - Diff. Fid. XS for $\phi$

Data from Figure 23a

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Differential fiducial cross section for the azimuthal angle $\phi$ of the decay planes of the two reconstructed Z bosons. The...

• #### Figure 23b - Corr. Mtx for $\phi$

Data from Figure 23b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 23c - Diff. Fid. XS for $\phi_{1}$

Data from Figure 23c

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Differential fiducial cross section for the azimuthal angle $\phi_{1}$ of the decay plane of the leading Z boson and the...

• #### Figure 23d - Corr. Mtx for $\phi_{1}$

Data from Figure 23d

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 24a - Diff. Fid. XS for $N_{jets}$

Data from Figure 24a

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Differential fiducial cross section for the jet multiplicity $N_{jets}$. The measured cross sections are compared to predictions provided by NNLOPS...

• #### Figure 24b - Corr. Mtx for $N_{jets}$

Data from Figure 24b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 24c - Diff. Fid. XS for inclusive $N_{jets}$

Data from Figure 24c

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Differential fiducial cross section for the inclusive jet multiplicity $N_{jets}$. The measured cross sections are compared to predictions provided by...

• #### Figure 25a - Diff. Fid. XS for $N_{b-jets}$

Data from Figure 25a

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Differential fiducial cross section for the number of b-quark initiated jets $N_{b-jets}$. The measured cross sections are compared to predictions...

• #### Figure 25b - Corr. Mtx for $N_{b-jets}$

Data from Figure 25b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 26a - Diff. Fid. XS for $p_{T}^{ljet}$

Data from Figure 26a

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Differential fiducial cross section for the transverse momentum of the leading jet $p_{T}^{lead.jet}$ in events with at least one jet....

• #### Figure 26b - Corr. Mtx for $p_{T}^{ljet}$

Data from Figure 26b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 26c - Diff. Fid. XS for $p_{T}^{sljet}$

Data from Figure 26c

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Differential fiducial cross section for the transverse momentum of the subleading jet $p_{T}^{sublead.jet}$ in events with at least two jets....

• #### Figure 26d - Corr. Mtx for $p_{T}^{sljet}$

Data from Figure 26d

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 27a - Diff. Fid. XS for $m_{jj}$

Data from Figure 27a

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Differential fiducial cross section for the invariant mass of the two highest-pT jets $m_{jj}$ in events with at least two...

• #### Figure 27b - Corr. Mtx for $m_{jj}$

Data from Figure 27b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 28a - Diff. Fid. XS for $\Delta\eta_{jj}$

Data from Figure 28a

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Differential fiducial cross section for the distance between the two highest-pT jets in pseudorapidity $\Delta\eta_{jj}$. The measured cross sections are...

• #### Figure 28b - Corr. Mtx for $\Delta\eta_{jj}$

Data from Figure 28b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 28c - Diff. Fid. XS for $\Delta\phi_{jj}$

Data from Figure 28c

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Differential fiducial cross section for the distance between the two highest-pT jets in $\phi$ $\Delta\phi_{jj}$. The measured cross sections are...

• #### Figure 28d - Corr. Mtx for $\Delta\phi_{jj}$

Data from Figure 28d

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 29a - Diff. Fid. XS for $p_{T}^{4lj}$

Data from Figure 29a

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Differential fiducial cross section for the transverse momentum of the four lepton plus jet system, in events with at least...

• #### Figure 29b - Corr. Mtx for $p_{T}^{4lj}$

Data from Figure 29b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 29c - Diff. Fid. XS for $p_{T}^{4ljj}$

Data from Figure 29c

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Differential fiducial cross section for the transverse momentum of the four lepton plus di-jet system, in events with at least...

• #### Figure 29d - Corr. Mtx for $p_{T}^{4ljj}$

Data from Figure 29d

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 30a - Diff. Fid. XS for $m_{4lj}$

Data from Figure 30a

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Differential fiducial cross section for the invariant mass of the four lepton plus jet system in events with at least...

• #### Figure 30b - Corr. Mtx for $m_{4lj}$

Data from Figure 30b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 30c - Diff. Fid. XS for $m_{4ljj}$

Data from Figure 30c

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Differential fiducial cross section for the invariant mass of the four lepton plus di-jet system in events with at least...

• #### Figure 30d - Corr. Mtx for $m_{4ljj}$

Data from Figure 30d

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 31a - Diff. Fid. XS for $m_{12}$vs.$m_{34}$

Data from Figure 31a

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Differential fiducial cross section for the leading vs. subleading Z boson mass $m_{12}$vs.$m_{34}$. The measured cross sections are compared to...

• #### Figure 31b - Corr. Mtx for $m_{12}$vs.$m_{34}$

Data from Figure 31b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 32a - Diff. Fid. XS for $m_{12}$vs.$m_{34}$ $ll\mu\mu$

Data from Figure 32a

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Differential fiducial cross section for the leading vs. subleading Z boson mass $m_{12}$vs.$m_{34}$ in $ll\mu\mu$ final states. The measured cross...

• #### Figure 32b - Diff. Fid. XS for $m_{12}$vs.$m_{34}$ $llee$

Data from Figure 32b

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Differential fiducial cross section for the leading vs. subleading Z boson mass $m_{12}$vs.$m_{34}$ in $llee$ final states. The measured cross...

• #### Figure 32c - Corr. Mtx for $m_{12}$vs.$m_{34}$ $ll\mu\mu+llee$

Data from Figure 32c

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 33a - Diff. Fid. XS for $p_{T}^{4l}$vs.$|y_{4l}|$

Data from Figure 33a

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Differential fiducial cross section of the $p_{T}^{4l}$ distribution in $|y_{4l}|$ bins. The measured cross sections are compared to predictions provided...

• #### Figure 33b - Corr. Mtx for $p_{T}^{4l}$vs.$|y_{4l}|$

Data from Figure 33b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section of...

• #### Figure 34a - Diff. Fid. XS for $p_{T}^{4l}$vs.$N_{jets}$

Data from Figure 34a

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Differential fiducial cross section of the $p_{T}^{4l}$ distribution in $N_{jets}$ bins. The measured cross sections are compared to predictions provided...

• #### Figure 34b - Corr. Mtx for $p_{T}^{4l}$vs.$N_{jets}$

Data from Figure 34b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section of...

• #### Figure 35a - Diff. Fid. XS for $p_{T}^{4l}$vs.$p_{T}^{4lj}$

Data from Figure 35a

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Differential fiducial cross section for transverse momentum of the four lepton system vs. the transverse momentum of the four lepton...

• #### Figure 35b - Corr. Mtx for $p_{T}^{4l}$vs.$p_{T}^{4lj}$

Data from Figure 35b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 36a - Diff. Fid. XS for $p_{T}^{4l}$vs.$m_{4lj}$

Data from Figure 36a

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Differential fiducial cross section for the transverse momentum of the four lepton plus jet system vs the invariant mass of...

• #### Figure 36b - Corr. Mtx for $p_{T}^{4l}$vs.$m_{4lj}$

Data from Figure 36b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 37a - Diff. Fid. XS for $p_{T}^{4l}$vs.$p_{T}^{ljet}$

Data from Figure 37a

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Differential fiducial cross section for the transverse momentum of the four lepton vs the transverse momentum of the leading jet...

• #### Figure 37b - Corr. Mtx for $p_{T}^{4l}$vs.$p_{T}^{ljet}$

Data from Figure 37b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 38a - Diff. Fid. XS for $p_{T}^{ljet}$vs.$|y^{ljet}|$

Data from Figure 38a

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Differential fiducial cross section for the transverse momentum of the leading jet vs the rapidity of the leading jet $p_{T}^{lead.jet}$vs.$|y^{lead.jet}|$....

• #### Figure 38b - Corr. Mtx for $p_{T}^{ljet}$vs.$|y^{ljet}|$

Data from Figure 38b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 39a - Diff. Fid. XS for $p_{T}^{ljet}$vs.$p_{T}^{sljet}$

Data from Figure 39a

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Differential fiducial cross section for the transverse momentum of the leading jet vs the transverse momentum of the subleading jet...

• #### Figure 39b - Corr. Mtx for $p_{T}^{ljet}$vs.$p_{T}^{sljet}$

Data from Figure 39b

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Figure 43a - Diff. Fid. XS for $m_{12}$ $4l$

Data from Figure 43a

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Differential fiducial cross section for the leading Z boson mass $m_{12}$ in $4\mu$ and $4e$ final states. The measured cross...

• #### Figure 43b - Diff. Fid. XS for $m_{12}$ $2l2l$

Data from Figure 43b

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Differential fiducial cross section for the leading Z boson mass $m_{12}$ in $2e2\mu$ and $2\mu2e$ final states. The measured cross...

• #### Figure 43c - Corr. Mtx for $m_{12}$ $4l+2l2l$

Data from Figure 43c

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Aux-Fig 01a - Diff. Fid. XS for $m_{34}$ $4l$

Data from Figure 01a

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Differential fiducial cross section for the subleading Z boson mass $m_{34}$ in $4\mu$ and $4e$ final states. The measured cross...

• #### Aux-Fig 01b - Diff. Fid. XS for $m_{34}$ $2l2l$

Data from Figure 01b

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Differential fiducial cross section for the subleading Z boson mass $m_{34}$ in $2e2\mu$ and $2\mu2e$ final states. The measured cross...

• #### Aux-Fig 01c - Corr. Mtx for $m_{34}$ $4l+2l2l$

Data from Figure 01c

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Aux-Fig 02a - Diff. Fid. XS for $\phi$ $4l$

Data from Figure 02a

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Differential fiducial cross section for the azimuthal angle $\phi$ of the decay planes of the two reconstructed Z bosons in...

• #### Aux-Fig 02b - Diff. Fid. XS for $\phi$ $2l2l$

Data from Figure 02b

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Differential fiducial cross section for the azimuthal angle $\phi$ of the decay planes of the two reconstructed Z bosons in...

• #### Aux-Fig 02c - Corr. Mtx for $\phi$ $4l+2l2l$

Data from Figure 02c

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...

• #### Aux-Fig 03a - Diff. Fid. XS for $m_{12}$vs.$m_{34}$ $4l$

Data from Figure 03a

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Differential fiducial cross section for the leading vs. subleading Z boson mass $m_{12}$vs.$m_{34}$ in $4\mu$ and $4e$ final states. The...

• #### Aux-Fig 03b - Diff. Fid. XS for $m_{12}$vs.$m_{34}$ $2l2l$

Data from Figure 03b

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Differential fiducial cross section for the leading vs. subleading Z boson mass $m_{12}$vs.$m_{34}$ in $2\mu2e$ and $2e2\mu$ final states. The...

• #### Aux-Fig 03c - Corr. Mtx for $m_{12}$vs.$m_{34}$ $4l+2l2l$

Data from Figure 03c

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Correlation matrix between the measured cross sections and the $ZZ^{*}$ background normalization corresponding to the differential fiducial cross section for...