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Search for doubly and singly charged Higgs bosons decaying into vector bosons in multi-lepton final states with the ATLAS detector using proton-proton collisions at $\sqrt{s}$ = 13 TeV

The ATLAS collaboration
, , , , , , , , ,
JHEP 06 (2021) 146, 2021.
https://doi.org/10.17182/hepdata.97160

Abstract (data abstract)
A search for charged Higgs bosons decaying into $W^\pm W^\pm$ or $W^\pm Z$ bosons is performed, involving experimental signatures with two leptons of the same charge, or three or four leptons with a variety of charge combinations, missing transverse momentum and jets. A data sample of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider between 2015 and 2018 is used. The data correspond to a total integrated luminosity of 139 fb$^{-1}$. The search is guided by a type-II seesaw model that extends the scalar sector of the Standard Model with a scalar triplet, leading to a phenomenology that includes doubly and singly charged Higgs bosons. Two scenarios are explored, corresponding to the pair production of doubly charged $H^{\pm\pm}$ bosons, or the associated production of a doubly charged $H^{\pm\pm}$ boson and a singly charged $H^\pm$ boson. No significant deviations from the Standard Model predictions are observed. $H^{\pm\pm}$ bosons are excluded at 95% confidence level up to 350 GeV and 230 GeV for the pair and associated production modes, respectively.

  • Figure 3a

    Figure 3a in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t1

    Distribution of $E_{T}^{miss}$, which is one of the discriminating variables used to define the $2\ell^{sc}$ SRs. The events are selected...

  • Figure 3b

    Figure 3b in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t2

    Distribution of $\Delta R_{\ell^{\pm}\ell^{\pm}}$, which is one of the discriminating variables used to define the $2\ell^{sc}$ SRs. The events are...

  • Figure 3c

    Figure 3c in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t3

    Distribution of $M_{jets}$, which is one of the discriminating variables used to define the $2\ell^{sc}$ SRs. The events are selected...

  • Figure 3d

    Figure 3d in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t4

    Distribution of $S$, which is one of the discriminating variables used to define the $2\ell^{sc}$ SRs. The events are selected...

  • Figure 4a

    Figure 4a in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t5

    Distribution of $E_{T}^{miss}$, which is one of the discriminating variables used to define the $3\ell$ SRs. The events are selected...

  • Figure 4b

    Figure 4b in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t6

    Distribution of $\Delta R_{\ell^{\pm}\ell^{\pm}}$, which is one of the discriminating variables used to define the $3\ell$ SRs. The events are...

  • Figure 4c

    Figure 4c in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t7

    Distribution of $m_{x\ell}$ ($x$=3), which is one of the discriminating variables used to define the $3\ell$ SRs. The events are...

  • Figure 4d

    Figure 4d in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t8

    Distribution of $p_{T}^{leading jet}$, which is one of the discriminating variables used to define the $3\ell$ SRs. The events are...

  • Figure 5a

    Figure 5a in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t9

    Distribution of $E_{T}^{miss}$, which is one of the discriminating variables used to define the $4\ell$ SRs. The events are selected...

  • Figure 5b

    Figure 5b in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t10

    Distribution of $\Delta R_{\ell^{\pm}\ell^{\pm}}^{min}$, which is one of the discriminating variables used to define the $4\ell$ SRs. The events are...

  • Figure 5c

    Figure 5c in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t11

    Distribution of $m_{x\ell}$ ($x$=4), which is one of the discriminating variables used to define the $4\ell$ SRs. The events are...

  • Figure 5d

    Figure 5d in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t12

    Distribution of $p_{T}^{\ell_{1}}$, which is one of the discriminating variables used to define the $4\ell$ SRs. The events are selected...

  • Figure 6

    Figure 6 in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t13

    Contributions from different categories of uncertainties relative to the expected background yields in the defined SRs, as obtained after performing...

  • Figure 7

    Figure 7 in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t14

    Data event yields compared with the expected contributions from relevant background sources, for the combination of the individual channels of...

  • Figure 8a

    Figure 8a in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t15

    The $E_{T}^{miss}$ distribution for the SRs of the $m_{H^{\pm\pm}} = 300~GeV$ signal mass hypothesis, where the selection requirement on $E_{T}^{miss}$...

  • Figure 8b

    Figure 8b in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t16

    The $E_{T}^{miss}$ distribution for the SRs of the $m_{H^{\pm\pm}} = 300~GeV$ signal mass hypothesis, where the selection requirement on $E_{T}^{miss}$...

  • Figure 8c

    Figure 8c in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t17

    The $E_{T}^{miss}$ distribution for the SRs of the $m_{H^{\pm\pm}} = 300~GeV$ signal mass hypothesis, where the selection requirement on $E_{T}^{miss}$...

  • Figure 9a

    Figure 9a in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t18

    Observed and expected upper limits of the $H^{\pm\pm}$ pair production cross section times branching fraction at 95% CL obtained from...

  • Figure 9a (Theory)

    Figure 9a (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t19

    The theoretical prediction of Figure 9(a) in the paper.

  • Figure 9b

    Figure 9b in the paper (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t20

    Observed and expected upper limits of the $H^{\pm\pm}$ and $H^{\pm}$ production cross section times branching fraction at 95% CL obtained...

  • Figure 9b (Theory)

    Figure 9b (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t21

    The theoretical prediction of Figure 9(b) in the paper.

  • Figure 10

    Figure 10 (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t22

    Data event yields compared with the estimated background in the $m_{H^{\pm\pm}} = 200~GeV$ or $m_{H^{\pm\pm}} = 220~GeV$ SRs. SFOC 0...

  • Figure 11

    Figure 11 (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t23

    Data event yields compared with the estimated background in the $m_{H^{\pm\pm}} = 300~GeV$ or $m_{H^{\pm\pm}} = 350~GeV$ SRs. SFOC 0...

  • Figure 12

    Figure 12 (https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HDBS-2019-06/)

    10.17182/hepdata.97160.v1/t24

    Data event yields compared with the estimated background in the $m_{H^{\pm\pm}} = 400~GeV$ or $m_{H^{\pm\pm}} = 450~GeV$ SRs. SFOC 0...

  • Figure 13

    Figure 13

    10.17182/hepdata.97160.v1/t25

    Data event yields compared with the estimated background in the $m_{H^{\pm\pm}} = 500~GeV$ or $m_{H^{\pm\pm}} = 550~GeV$ or $m_{H^{\pm\pm}} =...

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