Search for heavy Higgs bosons decaying into two tau leptons with the ATLAS detector using $pp$ collisions at $\sqrt{s}=13$ TeV

The ATLAS collaboration
Phys.Rev.Lett. 125 (2020) 051801, 2020.

Abstract (data abstract)
CERN-LHC. A search for additional heavy neutral Higgs bosons is performed using a data sample corresponding to an integrated luminosity of 139 fb$^{-1}$ from proton-proton collisions at $\sqrt{s}$ = 13 TeV recorded by the ATLAS detector at the LHC. The 1l1tau_h channel fiducial region is defined as: - 1e+>=1tau_h or 1mu+>=1tau_h - ptLepton > 30 GeV - |etaMuon| < 2.4, |etaEle| < 2.47 (excluding 1.37 < |etaEle| < 1.52) - ptTauVis > 25 GeV - |etaTauVis| < 2.3 (excluding 1.37 < |etaTauVis| < 1.52) - No events with more than 1 electron (ptEle > 15 GeV) or muon (ptMuon > 7 GeV, |etaMuon|<2.5) - If multiple tau_h exist, the leading visible pt one is chosen - l and tau_h opposite electric charge - |DeltaPhi(l,tau_h)| > 2.4 rad - mT(l,MET) < 40 GeV - veto 80 < m(l,tau_h) < 110 in 1e1tau_h channel The 2tau_h channel fiducial region is defined as: - >=2tau_h - ptTauVis > 65 GeV (at least one with ptTauVis > 130 GeV, note that technically, this upper threshold was 85 GeV for ~10% of the data) - No events with an electron or muon, ptLepton > 7 (15) GeV for muons (electrons), |etaMuon| < 2.5, |etaEle| < 2.47 (excluding 1.37 < |etaEle| < 1.52) - If more than two tau_h exist, the two leading visible pt ones are chosen - The two tau_h have opposite electric charge - |DeltaPhi(tau1_h,tau2_h)| > 2.7 rad For Higgs interpretations events entering the fiducial region of each channel are categorised as: - "b-tag: if they contain a b-quark initiated jet (ptJet > 20 GeV, |etaJet|<2.5)" - "b-veto: otherwise"

  • Table 1

    Data from Figure 1(a)

    10.17182/hepdata.93071.v1/t1

    Observed and predicted mTtot distribution in the b-veto category of the 1l1tau_h channel. Please note that the bin content is...

  • Table 2

    Data from Figure 1(b)

    10.17182/hepdata.93071.v1/t2

    Observed and predicted mTtot distribution in the b-tag category of the 1l1tau_h channel. Please note that the bin content is...

  • Table 3

    Data from Figure 1(c)

    10.17182/hepdata.93071.v1/t3

    Observed and predicted mTtot distribution in the b-veto category of the 2tau_h channel. Please note that the bin content is...

  • Table 4

    Data from Figure 1(d)

    10.17182/hepdata.93071.v1/t4

    Observed and predicted mTtot distribution in the b-tag category of the 2tau_h channel. Please note that the bin content is...

  • Table 5

    Data from Figure 2(a)

    10.17182/hepdata.93071.v1/t5

    Observed and expected 95% CL upper limits on the gluon-gluon fusion Higgs boson production cross section times ditau branching fraction...

  • Table 6

    Data from Figure 2(b)

    10.17182/hepdata.93071.v1/t6

    Observed and expected 95% CL upper limits on the b-associated Higgs boson production cross section times ditau branching fraction as...

  • Table 7

    Data from Figure 2(c)

    10.17182/hepdata.93071.v1/t7

    The observed 95% CL upper limits on $\tan\beta$ as a function of $m_{A}$ in the $M_{h}^{125}$ scenario. The lowest value...

  • Table 8

    Data from Figure 2(c)

    10.17182/hepdata.93071.v1/t8

    The expected 95% CL upper limits on $\tan\beta$ as a function of $m_{A}$ in the $M_{h}^{125}$ scenario. The lowest value...

  • Table 9

    Data from Figure 2(c)

    10.17182/hepdata.93071.v1/t9

    The expected 95% CL upper limits with plus one sigma on $\tan\beta$ as a function of $m_{A}$ in the $M_{h}^{125}$...

  • Table 10

    Data from Figure 2(c)

    10.17182/hepdata.93071.v1/t10

    The expected 95% CL upper limits with minus one sigma on $\tan\beta$ as a function of $m_{A}$ in the $M_{h}^{125}$...

  • Table 11

    Data from Figure 2(c)

    10.17182/hepdata.93071.v1/t11

    The expected 95% CL upper limits with plus two sigma on $\tan\beta$ as a function of $m_{A}$ in the $M_{h}^{125}$...

  • Table 12

    Data from Figure 2(c)

    10.17182/hepdata.93071.v1/t12

    The expected 95% CL upper limits with minus two sigma on $\tan\beta$ as a function of $m_{A}$ in the $M_{h}^{125}$...

  • Table 13

    Data from Auxiliary Figure 6

    10.17182/hepdata.93071.v1/t13

    The observed 95% CL upper limits on $\tan\beta$ as a function of $m_{A}$ in the hMSSM scenario. The lowest value...

  • Table 14

    Data from Auxiliary Figure 6

    10.17182/hepdata.93071.v1/t14

    The expected 95% CL upper limits on $\tan\beta$ as a function of $m_{A}$ in the hMSSM scenario. The lowest value...

  • Table 15

    Data from Auxiliary Figure 6

    10.17182/hepdata.93071.v1/t15

    The expected 95% CL upper limits with plus one sigma on $\tan\beta$ as a function of $m_{A}$ in the hMSSM...

  • Table 16

    Data from Auxiliary Figure 6

    10.17182/hepdata.93071.v1/t16

    The expected 95% CL upper limits with minus one sigma on $\tan\beta$ as a function of $m_{A}$ in the hMSSM...

  • Table 17

    Data from Auxiliary Figure 6

    10.17182/hepdata.93071.v1/t17

    The expected 95% CL upper limits with plus two sigma on $\tan\beta$ as a function of $m_{A}$ in the hMSSM...

  • Table 18

    Data from Auxiliary Figure 6

    10.17182/hepdata.93071.v1/t18

    The expected 95% CL upper limits with minus two sigma on $\tan\beta$ as a function of $m_{A}$ in the hMSSM...

  • Table 19

    Data from Auxiliary Figure 8(a)

    10.17182/hepdata.93071.v1/t19

    Acceptance times efficiency for a scalar boson produced by gluon-gluon fusion as a function of the scalar boson mass.

  • Table 20

    Data from Auxiliary Figure 8(b)

    10.17182/hepdata.93071.v1/t20

    Acceptance times efficiency for a scalar boson produced by b-associated production as a function of the scalar boson mass.

  • Table 21

    Data from Auxiliary Figure 9(a)

    10.17182/hepdata.93071.v1/t21

    Observed 95% CL upper limits on the scalar boson production cross section times ditau branching fraction as a function of...

  • Table 22

    Data from Auxiliary Figure 9(b)

    10.17182/hepdata.93071.v1/t22

    Expected 95% CL upper limits on the scalar boson production cross section times ditau branching fraction as a function of...

  • Table 23

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t23

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 24

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t24

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 25

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t25

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 26

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t26

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 27

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t27

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 28

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t28

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 29

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t29

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 30

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t30

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 31

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t31

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 32

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t32

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 33

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t33

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 34

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t34

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 35

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t35

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

  • Table 36

    Data from Auxiliary Figure 10

    10.17182/hepdata.93071.v1/t36

    Two dimensional likelihood scan of the gluon-gluon fusion cross section times branching fraction, $\sigma(gg\phi)\times B(\phi\to\tau\tau)$, vs the b-associated production times...

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