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Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at $\sqrt{s}$=13 TeV with the ATLAS detector

The ATLAS collaboration
JHEP 03 (2021) 268, 2021.

Abstract (data abstract)
CERN-ATLAS. Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at \(\sqrt{s}\) = 13 TeV with the ATLAS detector A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. With a focus on the vector-boson fusion process and the dominant Higgs boson decay into \(b\)-quark pairs, the search benefits from a large reduction of multijet background compared to more inclusive searches. Results are reported from the analysis of 132 fb$^{-1}$ of \(pp\) collision data at \(\sqrt{s}=13\) TeV collected with the ATLAS detector at the LHC. The measured Higgs boson signal yield in this final-state signature is \(1.3 \pm 1.0\) times the Standard Model prediction. The observed significance of the Higgs boson signal above the background is \(1.3\) standard deviations, compared to an expected significance of \(1.0\) standard deviations.

  • Table 1

    Data from Figure 2(a)

    10.17182/hepdata.100160.v1/t1

    Comparisons of data and simulated event distributions of the BDT input variable \(\Delta \eta_{jj}\) in the two \(m_{bb}\) sidebands after...

  • Table 2

    Data from Figure 2(b)

    10.17182/hepdata.100160.v1/t2

    Comparisons of data and simulated event distributions of the BDT input variable \(p_{\text{T}}^{\text{balance}}\) in the two \(m_{bb}\) sidebands after kinematic...

  • Table 3

    Data from Figure 5(a)

    10.17182/hepdata.100160.v1/t3

    The \(m_{bb}\) distributions in the HighBDT categories, overlaid with contributions from the \(H\gamma jj\) signal as well as the resonant...

  • Table 4

    Data from Figure 5(b)

    10.17182/hepdata.100160.v1/t4

    The \(m_{bb}\) distributions in the MediumBDT categories, overlaid with contributions from the \(H\gamma jj\) signal as well as the resonant...

  • Table 5

    Data from Figure 5(c)

    10.17182/hepdata.100160.v1/t5

    The \(m_{bb}\) distributions in the MediumBDT categories, overlaid with contributions from the \(H\gamma jj\) signal as well as the resonant...

  • Table 6

    Data from Auxiliary Figure 1(a)

    10.17182/hepdata.100160.v1/t6

    Comparisons of data and simulated event distributions of the BDT input variables \(\Delta R (b1, \gamma)\) in the two \(m_{bb}\)...

  • Table 7

    Data from Auxiliary Figure 1(b)

    10.17182/hepdata.100160.v1/t7

    Comparisons of data and simulated event distributions of the BDT input variables \(m_{jj}\) in the two \(m_{bb}\) sidebands after kinematic...

  • Table 8

    Data from Auxiliary Figure 1(c)

    10.17182/hepdata.100160.v1/t8

    Comparisons of data and simulated event distributions of the BDT input variables \(\Delta R (b2, \gamma)\) in the two \(m_{bb}\)...

  • Table 9

    Data from Auxiliary Figure 1(d)

    10.17182/hepdata.100160.v1/t9

    Comparisons of data and simulated event distributions of the BDT input variables \(\text{centrality}(\gamma, j1, j2)\) in the two \(m_{bb}\) sidebands...

  • Table 10

    Data from Auxiliary Figure 2(a)

    10.17182/hepdata.100160.v1/t10

    Comparisons of data and simulated event distributions of the BDT input variables \(\Delta \phi(b\bar{b}, jj)\) in the two \(m_{bb}\) sidebands...

  • Table 11

    Data from Auxiliary Figure 2(b)

    10.17182/hepdata.100160.v1/t11

    Comparisons of data and simulated event distributions of the BDT input variables \(p_{\mathrm{T}}^{jj}\) in the two \(m_{bb}\) sidebands after kinematic...

  • Table 12

    Data from Auxiliary Figure 2(c)

    10.17182/hepdata.100160.v1/t12

    Comparisons of data and simulated event distributions of the BDT input variables \(\cos \theta\) in the two \(m_{bb}\) sidebands after...

  • Table 13

    Data from Auxiliary Figure 2(d)

    10.17182/hepdata.100160.v1/t13

    Comparisons of data and simulated event distributions of the BDT input variables \(\Delta R(b1,j1)\) in the two \(m_{bb}\) sidebands after...

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