Sensitivities of new resonance couplings to W-bosons at the LHC* Article Swipe
Ying-nan Mao
,
Kechen Wang
,
Yongqian Xiong
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1088/1674-1137/add115
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1088/1674-1137/add115
We propose a search strategy at the HL-LHC for a new neutral particle X that couples to W -bosons, using the process with a tri- W -boson final state. Focusing on events with two same-sign leptonic W -boson decays into muons and a hadronically decaying W -boson, our method leverages the enhanced signal-to-background discrimination achieved through a machine-learning-based multivariate analysis. Using the heavy photophobic axion-like particle (ALP) as a benchmark, we evaluate the discovery sensitivities on both production cross section times branching ratio and the coupling for particle mass over a wide range of 170–3000 GeV at the HL-LHC with center-of-mass energy and integrated luminosity . Our results show significant improvements in discovery sensitivity, particularly for masses above 300 GeV, compared to existing limits derived from CMS analyses of Standard Model (SM) tri- W -boson production at . This study demonstrates the potential of advanced selection techniques in probing the coupling of new particles to W -bosons and highlights the HL-LHC's capability to explore physics beyond the SM.
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- article
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- en
- Landing Page
- https://doi.org/10.1088/1674-1137/add115
- OA Status
- hybrid
- References
- 46
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- 10
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https://openalex.org/W4409895679Canonical identifier for this work in OpenAlex
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https://doi.org/10.1088/1674-1137/add115Digital Object Identifier
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Sensitivities of new resonance couplings to W-bosons at the LHC*Work title
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articleOpenAlex work type
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enPrimary language
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2025Year of publication
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2025-04-28Full publication date if available
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Ying-nan Mao, Kechen Wang, Yongqian XiongList of authors in order
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https://doi.org/10.1088/1674-1137/add115Publisher landing page
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YesWhether a free full text is available
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hybridOpen access status per OpenAlex
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https://doi.org/10.1088/1674-1137/add115Direct OA link when available
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Physics, Large Hadron Collider, Boson, Particle physics, Resonance (particle physics), Nuclear physicsTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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10Other works algorithmically related by OpenAlex
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