Constraints on anomalous Higgs boson couplings to vector bosons and fermions from the production of Higgs bosons using the $ \tau\tau$ final state

The CMS collaboration
CMS-HIG-20-007, 2022.

Abstract (data abstract)
A study of anomalous couplings of the Higgs boson to vector bosons and fermions is presented. The data were recorded by the CMS experiment at a center-of-mass energy of pp collisions at the LHC of 13 TeV and correspond to an integrated luminosity of 138 $\text{fb}^{-1}$. The study uses Higgs boson candidates produced mainly in gluon fusion or electroweak vector boson fusion at the LHC that subsequently decay to a pair of $\tau$ leptons. Matrix-element and machine-learning techniques were employed in a search for anomalous interactions. The results are combined with those from the four-lepton and two-photon decay channels to yield the most stringent constraints on anomalous Higgs boson couplings to date. The pure $CP$-odd scenario of the Higgs boson coupling to gluons is excluded at 2.4 standard deviations. The results are consistent with the standard model predictions.

  • Table 1

    Data from Figure 6

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    Observed likelihood scan of $f_{a3}^{\mathrm{ggH}}$ (MELA method).

  • Table 2

    Data from Figure 6

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    Expected likelihood scan of $f_{a3}^{\mathrm{ggH}}$ (MELA method).

  • Table 3

    Data from Figure 6

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    Observed likelihood scan of $f_{a3}^{\mathrm{ggH}}$ ($\Delta\phi_{\mathrm{jj}}$ method).

  • Table 4

    Data from Figure 6

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    Expected likelihood scan of $f_{a3}^{\mathrm{ggH}}$ ($\Delta\phi_{\mathrm{jj}}$ method).

  • Table 5

    Data from Figure 7

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    Observed likelihood scan of $\alpha_{\mathrm{Hff}}$ (MELA method).

  • Table 6

    Data from Figure 7

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    Expected likelihood scan of $\alpha_{\mathrm{Hff}}$ (MELA method).

  • Table 7

    Data from Figure 7

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    Observed likelihood scan of $\alpha_{\mathrm{Hff}}$ ($\Delta\phi_{\mathrm{jj}}$ method).

  • Table 8

    Data from Figure 7

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    Expected likelihood scan of $\alpha_{\mathrm{Hff}}$ ($\Delta\phi_{\mathrm{jj}}$ method).

  • Table 9

    Data from Figure 9

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    Observed likelihood scan of $f_{a3}$ (Approach 1).

  • Table 10

    Data from Figure 9

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    Expected likelihood scan of $f_{a3}$ (Approach 1).

  • Table 11

    Data from Figure 9

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    Observed likelihood scan of $f_{a2}$.

  • Table 12

    Data from Figure 9

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    Expected likelihood scan of $f_{a2}$.

  • Table 13

    Data from Figure 9

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    Observed likelihood scan of $f_{\Lambda 1}$.

  • Table 14

    Data from Figure 9

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    Expected likelihood scan of $f_{\Lambda 1}$.

  • Table 15

    Data from Figure 9

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    Observed likelihood scan of $f_{\Lambda 1}^{\mathrm{Z}\gamma}$.

  • Table 16

    Data from Figure 9

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    Expected likelihood scan of $f_{\Lambda 1}^{\mathrm{Z}\gamma}$.

  • Table 17

    Data from Figure 10

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    Observed likelihood scan of $f_{a3}$ (Approach 2).

  • Table 18

    Data from Figure 10

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    Expected likelihood scan of $f_{a3}$ (Approach 2).

  • Table 19

    Data from Figure 11

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    Observed likelihood scan of $f_{a3}$ (Approach 1). $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 20

    Data from Figure 11

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    Expected likelihood scan of $f_{a3}$ (Approach 1). $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 21

    Data from Figure 11

    10.17182/hepdata.129530.v1/t21

    Observed likelihood scan of $f_{a2}$. $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 22

    Data from Figure 11

    10.17182/hepdata.129530.v1/t22

    Expected likelihood scan of $f_{a2}$. $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 23

    Data from Figure 11

    10.17182/hepdata.129530.v1/t23

    Observed likelihood scan of $f_{\Lambda 1}$. $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 24

    Data from Figure 11

    10.17182/hepdata.129530.v1/t24

    Expected likelihood scan of $f_{\Lambda 1}$. $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 25

    Data from Figure 11

    10.17182/hepdata.129530.v1/t25

    Observed likelihood scan of $f_{\Lambda 1}^{\mathrm{Z}\gamma}$. $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 26

    Data from Figure 11

    10.17182/hepdata.129530.v1/t26

    Expected likelihood scan of $f_{\Lambda 1}^{\mathrm{Z}\gamma}$. $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 27

    Data from Figure 12

    10.17182/hepdata.129530.v1/t27

    Observed likelihood scan of $f_{a3}$ (Approach 2). $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 28

    Data from Figure 12

    10.17182/hepdata.129530.v1/t28

    Expected likelihood scan of $f_{a3}$ (Approach 2). $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 29

    Data from Figure 13

    10.17182/hepdata.129530.v1/t29

    Observed likelihood scan of $f_{a3}^{\mathrm{ggH}}$. $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 30

    Data from Figure 13

    10.17182/hepdata.129530.v1/t30

    Expected likelihood scan of $f_{a3}^{\mathrm{ggH}}$. $\mathrm{H}\to\tau\tau$ and $\mathrm{H}\to4\ell$ channel results are combined.

  • Table 31

    Data from Figure 13

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    Observed likelihood scan of $f_{\textit{CP}}^{\mathrm{Htt}}$. $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

  • Table 32

    Data from Figure 13

    10.17182/hepdata.129530.v1/t32

    Expected likelihood scan of $f_{\textit{CP}}^{\mathrm{Htt}}$. $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

  • Table 33

    Data from Figure 14

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    Observed likelihood scan of $c_{\mathrm{gg}}$ ($\kappa$ and $\widetilde{\kappa}_\mathrm{t}$ profiled). $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

  • Table 34

    Data from Figure 14

    10.17182/hepdata.129530.v1/t34

    Expected likelihood scan of $c_{\mathrm{gg}}$ ($\kappa$ and $\widetilde{\kappa}_\mathrm{t}$ profiled). $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

  • Table 35

    Data from Figure 14

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    Observed likelihood scan of $\widetilde{c}_{\mathrm{gg}}$ ($\kappa$ and $\widetilde{\kappa}_\mathrm{t}$ profiled)

  • Table 36

    Data from Figure 14

    10.17182/hepdata.129530.v1/t36

    Expected likelihood scan of $\widetilde{c}_{\mathrm{gg}}$ ($\kappa$ and $\widetilde{\kappa}_\mathrm{t}$ profiled). $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

  • Table 37

    Data from Figure 14

    10.17182/hepdata.129530.v1/t37

    Observed likelihood scan of $c_{\mathrm{gg}}$ ($\kappa = 1$ and $\widetilde{\kappa}_\mathrm{t} = 0$). $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

  • Table 38

    Data from Figure 14

    10.17182/hepdata.129530.v1/t38

    Expected likelihood scan of $c_{\mathrm{gg}}$ ($\kappa = 1$ and $\widetilde{\kappa}_\mathrm{t} = 0$). $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

  • Table 39

    Data from Figure 14

    10.17182/hepdata.129530.v1/t39

    Observed likelihood scan of $\widetilde{c}_{\mathrm{gg}}$ ($\kappa = 1$ and $\widetilde{\kappa}_\mathrm{t} = 0$). $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

  • Table 40

    Data from Figure 14

    10.17182/hepdata.129530.v1/t40

    Expected likelihood scan of $\widetilde{c}_{\mathrm{gg}}$ ($\kappa = 1$ and $\widetilde{\kappa}_\mathrm{t} = 0$). $\mathrm{H}\to\tau\tau$, $\mathrm{H}\to4\ell$, and $\mathrm{H}\to\gamma\gamma$ channel results are combined.

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