Reconstruction and identification of boosted di-$\tau$ systems in a search for Higgs boson pairs using 13 TeV proton$-$proton collision data in ATLAS

The ATLAS collaboration

Abstract (data abstract)
CERN-LHC. A search for resonant Higgs boson pair production is performed in the $b\bar{b}\tau^{+}\tau^{-}$ final state with boosted objects using $L=139$ fb$^{-1}$, $\sqrt{s}=13$ TeV proton-proton collision data with the ATLAS detector. 95% CL upper limits are set on the production cross section of a heavy, narrow, scalar resonance decaying into a pair of Higgs bosons.

  • Table 1

    Data from Figure 10


    Signal acceptance times selection efficiency as a function of the resonance mass, at various stages of the event selection. From...

  • Table 2

    Data from Figure 12


    Distribution of $m^{vis}_{HH}$ after applying all the event selection that define the $HH$ SR, except the requirement on $m^{vis}_{HH}$. The...

  • Table 3

    Data from Table 3


    Event yields of the various estimated backgrounds and data, computed in the signal region of the search for $X\rightarrow HH...

  • Table 4

    Data from Figure 13


    Expected and observed 95% CL upper limits on the production of a heavy, narrow-width, scalar resonance decaying to a pair...

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