Search for a heavy charged Higgs boson decaying into a $W$ boson and a Higgs boson in final states with leptons and $b$-jets in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector

The ATLAS collaboration
JHEP 02 (2025) 143, 2025.

Abstract (data abstract)
This article presents a search for a heavy charged Higgs boson produced in association with a top quark and a bottom quark, and decaying into a 𝑊 boson and a 125 GeV Higgs boson ℎ. The search is performed in final states with one charged lepton, missing transverse momentum, and jets using proton–proton collision data at √𝑠 = 13 TeV recorded with the ATLAS detector during Run 2 of the LHC at CERN. This data set corresponds to a total integrated luminosity of 140 fb−1. The search is conducted by examining the reconstructed invariant mass distribution of the 𝑊 ℎ candidates for evidence of a localised excess in the charged Higgs boson mass range from 250 GeV to 3 TeV . No significant excess is observed and 95% confidence-level upper limits between 2.8 pb and 1.2 fb are placed on the production cross-section times branching ratio for charged Higgs bosons decaying into 𝑊 ℎ.

  • Limit resolved category

    Tabulated data from Appendix Figure 12 in the publication

    10.17182/hepdata.156777.v1/t1

    Upper limit at the 95% CL on the product of the cross-section for the $pp \rightarrow tb H^{\pm}$ process and...

  • Limit merged category

    Tabulated data from Appendix Figure 13 in the publication

    10.17182/hepdata.156777.v1/t2

    Upper limit at the 95% CL on the product of the cross-section for the $pp \rightarrow tb H^{\pm}$ process and...

  • Signal efficiency resolved Low pur qqbb

    Tabulated data from Figure 5.a in the publication

    10.17182/hepdata.156777.v1/t3

    Product of acceptance and efficiency for pp->tbH(->Wh) as function of the charged Higgs boson mass for the resolved qqbb low-purity...

  • Signal efficiency resolved SR qqbb

    Tabulated data from Figure 5.b in the publication

    10.17182/hepdata.156777.v1/t4

    Product of acceptance and efficiency for pp->tbH(->Wh) as function of the charged Higgs boson mass for the resolved qqbb signal...

  • Signal efficiency resolved SR lvbb

    Tabulated data from Figure 5.c in the publication

    10.17182/hepdata.156777.v1/t5

    Product of acceptance and efficiency for pp->tbH(->Wh) as function of the charged Higgs boson mass for the resolved lvbb signal...

  • Signal efficiency merged lvbb

    Tabulated data from Figure 6.a in the publication

    10.17182/hepdata.156777.v1/t6

    Product of acceptance and efficiency for pp->tbH(->Wh) as function of the charged Higgs boson mass for the merged lvbb signal...

  • Signal efficiency merged qqbb

    Tabulated data from Figure 6.b in the publication

    10.17182/hepdata.156777.v1/t7

    Product of acceptance and efficiency for pp->tbH(->Wh) as function of the charged Higgs boson mass for the merged qqbb signal...

  • Low-purity SR 5jex3bex qqbb postfit

    Tabulated data from Figure 9.a in the publication

    10.17182/hepdata.156777.v1/t8

    Distributions of the mWh observable in the low-purity signal regions of the resolved qqbb 5jex3bex event categories. The term ‘Others’...

  • Low-purity SR 5jex4bin qqbb postfit

    Tabulated data from Figure 9.b in the publication

    10.17182/hepdata.156777.v1/t9

    Distributions of the mWh observable in the low-purity signal regions of the resolved qqbb 5jex4bin event categories. The term ‘Others’...

  • Low-purity SR 6jin3bex qqbb postfit

    Tabulated data from Figure 9.c in the publication

    10.17182/hepdata.156777.v1/t10

    Distributions of the mWh observable in the low-purity signal regions of the resolved qqbb 6jin3bex event categories. The term ‘Others’...

  • Low-purity SR 6jin4bin qqbb postfit

    Tabulated data from Figure 9.d in the publication

    10.17182/hepdata.156777.v1/t11

    Distributions of the mWh observable in the low-purity signal regions of the resolved qqbb 6jin4bin event categories. The term ‘Others’...

  • SR 5jex3bex qqbb postfit

    Tabulated data from Figure 10.a in the publication

    10.17182/hepdata.156777.v1/t12

    Distributions of the mWh observable in the high-purity signal regions of the resolved qqbb 5jex3bex event categories. The term ‘Others’...

  • SR 5jex4bin qqbb postfit

    Tabulated data from Figure 10.b in the publication

    10.17182/hepdata.156777.v1/t13

    Distributions of the mWh observable in the high-purity signal regions of the resolved qqbb 5jex4bin event categories. The term ‘Others’...

  • SR 6jin3bex qqbb postfit

    Tabulated data from Figure 10.c in the publication

    10.17182/hepdata.156777.v1/t14

    Distributions of the mWh observable in the high-purity signal regions of the resolved qqbb 6jin3bex event categories. The term ‘Others’...

  • SR 6jin4bin qqbb postfit

    Tabulated data from Figure 10.d in the publication

    10.17182/hepdata.156777.v1/t15

    Distributions of the mWh observable in the high-purity signal regions of the resolved qqbb 6jin4bin event categories. The term ‘Others’...

  • SR 5jex3bex lvbb postfit

    Tabulated data from Figure 11.a in the publication

    10.17182/hepdata.156777.v1/t16

    Distributions of the mWh observable in the signal regions of the resolved lvbb 5jex3bex event categories. The term ‘Others’ summarises...

  • SR 5jex4bin lvbb postfit

    Tabulated data from Figure 11.b in the publication

    10.17182/hepdata.156777.v1/t17

    Distributions of the mWh observable in the signal regions of the resolved lvbb 5jex4bin event categories. The term ‘Others’ summarises...

  • SR 6jin3bex lvbb postfit

    Tabulated data from Figure 11.c in the publication

    10.17182/hepdata.156777.v1/t18

    Distributions of the mWh observable in the signal regions of the resolved lvbb 6jin3bex event categories. The term ‘Others’ summarises...

  • SR 6jin4bin lvbb postfit

    Tabulated data from Figure 11.d in the publication

    10.17182/hepdata.156777.v1/t19

    Distributions of the mWh observable in the signal regions of the resolved lvbb 6jin4bin event categories. The term ‘Others’ summarises...

  • Low-NN score SR 0b qqbb postfit

    Tabulated data from Figure 12.a in the publication

    10.17182/hepdata.156777.v1/t20

    The mWh distributions in the Low-NN-score SRs of the merged qqbb 0b event categories. The term ‘Others’ summarises events from...

  • Low-NN score SR 1b qqbb postfit

    Tabulated data from Figure 12.b in the publication

    10.17182/hepdata.156777.v1/t21

    The mWh distributions in the Low-NN-score SRs of the merged qqbb 1b event categories. The term ‘Others’ summarises events from...

  • High-NN score SR 0b qqbb postfit

    Tabulated data from Figure 12.c in the publication

    10.17182/hepdata.156777.v1/t22

    The mWh distributions in the High-NN-score SRs of the merged qqbb 0b event categories. The term ‘Others’ summarises events from...

  • High-NN score SR 1b qqbb postfit

    Tabulated data from Figure 12.d in the publication

    10.17182/hepdata.156777.v1/t23

    The mWh distributions in the High-NN-score SRs of the merged qqbb 1b event categories. The term ‘Others’ summarises events from...

  • Low-NN score SR 0b lvbb postfit

    Tabulated data from Figure 13.a in the publication

    10.17182/hepdata.156777.v1/t24

    The mWh distributions in the Low-NN-score SRs of the merged lvbb 0b event categories. The term ‘Others’ summarises events from...

  • Low-NN score SR 1b lvbb postfit

    Tabulated data from Figure 13.b in the publication

    10.17182/hepdata.156777.v1/t25

    The mWh distributions in the Low-NN-score SRs of the merged lvbb 1b event categories. The term ‘Others’ summarises events from...

  • Medium-NN score SR 0b lvbb postfit

    Tabulated data from Figure 13.c in the publication

    10.17182/hepdata.156777.v1/t26

    The mWh distributions in the Medium-NN-score SRs of the merged lvbb 0b event categories. The term ‘Others’ summarises events from...

  • Medium-NN score SR 1b lvbb postfit

    Tabulated data from Figure 13.d in the publication

    10.17182/hepdata.156777.v1/t27

    The mWh distributions in the Medium-NN-score SRs of the merged lvbb 1b event categories. The term ‘Others’ summarises events from...

  • High-NN score SR 0b lvbb postfit

    Tabulated data from Figure 14.a in the publication

    10.17182/hepdata.156777.v1/t28

    The mWh distributions in the High-NN-score SRs of the merged lvbb 0b event categories. The term ‘Others’ summarises events from...

  • High-NN score SR 1b lvbb postfit

    Tabulated data from Figure 14.b in the publication

    10.17182/hepdata.156777.v1/t29

    The mWh distributions in the High-NN-score SRs of the merged lvbb 1b event categories. The term ‘Others’ summarises events from...

  • Cutflow resolved

    Tabulated data from Appendix Table 01 in the publication

    10.17182/hepdata.156777.v1/t30

    Cutflow table for a few selected signal samples after applying the selection requirements of the resolved analysis. At the initial...

  • Cutflow merged

    Tabulated data from Appendix Table 02 in the publication

    10.17182/hepdata.156777.v1/t31

    Cutflow table for a few selected signal samples after applying the selection requirements of the merged analysis. At the initial...

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