Search for heavy resonances decaying into a <i>Z</i> or <i>W</i> boson and a Higgs boson in final states with leptons and <i>b</i>-jets in 139 fb<SUP><i>-</i>1</SUP> of <i>pp</i> collisions at √s=13 TeV with the ATLAS detector



Aad, G, Abbott, B, Abbott, DC, Abeling, K, Abidi, SH, Aboulhorma, A, Abramowicz, H, Abreu, H, Abulaiti, Y, Abusleme Hoffman, AC
et al (show 2889 more authors) (2023) Search for heavy resonances decaying into a <i>Z</i> or <i>W</i> boson and a Higgs boson in final states with leptons and <i>b</i>-jets in 139 fb<SUP><i>-</i>1</SUP> of <i>pp</i> collisions at √s=13 TeV with the ATLAS detector. JOURNAL OF HIGH ENERGY PHYSICS, 2023 (6). 16-.

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Abstract

<jats:title>A<jats:sc>bstract</jats:sc> </jats:title><jats:p>This article presents a search for new resonances decaying into a <jats:italic>Z</jats:italic> or <jats:italic>W</jats:italic> boson and a 125 GeV Higgs boson <jats:italic>h</jats:italic>, and it targets the <jats:inline-formula><jats:alternatives><jats:tex-math>$$ \nu \overline{\nu}b\overline{b} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ν</mml:mi> <mml:mover> <mml:mi>ν</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> <mml:mi>b</mml:mi> <mml:mover> <mml:mi>b</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math></jats:alternatives></jats:inline-formula>, <jats:inline-formula><jats:alternatives><jats:tex-math>$$ {\ell}^{+}{\ell}^{-}b\overline{b} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>ℓ</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:msup> <mml:mi>ℓ</mml:mi> <mml:mo>−</mml:mo> </mml:msup> <mml:mi>b</mml:mi> <mml:mover> <mml:mi>b</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math></jats:alternatives></jats:inline-formula>, or <jats:inline-formula><jats:alternatives><jats:tex-math>$$ {\ell}^{\pm}\nu b\overline{b} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>ℓ</mml:mi> <mml:mo>±</mml:mo> </mml:msup> <mml:mi>νb</mml:mi> <mml:mover> <mml:mi>b</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math></jats:alternatives></jats:inline-formula> final states, where <jats:italic>ℓ</jats:italic> = <jats:italic>e</jats:italic> or <jats:italic>μ</jats:italic>, in proton-proton collisions at <jats:inline-formula><jats:alternatives><jats:tex-math>$$ \sqrt{s} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math></jats:alternatives></jats:inline-formula> = 13 TeV. The data used correspond to a total integrated luminosity of 139 fb<jats:sup><jats:italic>−</jats:italic>1</jats:sup> collected by the ATLAS detector during Run 2 of the LHC at CERN. The search is conducted by examining the reconstructed invariant or transverse mass distributions of <jats:italic>Zh</jats:italic> or <jats:italic>Wh</jats:italic> candidates for evidence of a localised excess in the mass range from 220 GeV to 5 TeV. No significant excess is observed and 95% confidence-level upper limits between 1.3 pb and 0.3 fb are placed on the production cross section times branching fraction of neutral and charged spin-1 resonances and CP-odd scalar bosons. These limits are converted into constraints on the parameter space of the Heavy Vector Triplet model and the two-Higgs-doublet model.</jats:p>

Item Type: Article
Uncontrolled Keywords: Hadron-Hadron Scattering, Beyond the Standard Model Searches
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 27 Jun 2023 10:47
Last Modified: 18 Mar 2024 04:03
DOI: 10.1007/JHEP06(2023)016
Open Access URL: https://link.springer.com/article/10.1007/JHEP06(2...
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3171324