Evidence for the dimuon decay of the Higgs boson in pp collisions with the ATLAS detector
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866911302959497216 |
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| author | ATLAS Collaboration |
| author_facet | ATLAS Collaboration |
| contents | A search for the dimuon decay of the Higgs boson is presented based on pp collision data recorded by ATLAS during Run 3 of the Large Hadron Collider, corresponding to an integrated luminosity of 165 fb$^{-1}$ at $\sqrt{s} = 13.6$ TeV. To enhance the sensitivity, the results are combined with those from Run 2. An excess of events over the background is observed with a significance of $3.4 σ$ ($2.5 σ$ expected). The best-fit signal strength is $μ= 1.4\pm0.4$. This result provides evidence for the $H \to μμ$ decay with ATLAS data and offers a direct probe of the Higgs-boson Yukawa coupling to second-generation fermions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_03595 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Evidence for the dimuon decay of the Higgs boson in pp collisions with the ATLAS detector ATLAS Collaboration High Energy Physics - Experiment A search for the dimuon decay of the Higgs boson is presented based on pp collision data recorded by ATLAS during Run 3 of the Large Hadron Collider, corresponding to an integrated luminosity of 165 fb$^{-1}$ at $\sqrt{s} = 13.6$ TeV. To enhance the sensitivity, the results are combined with those from Run 2. An excess of events over the background is observed with a significance of $3.4 σ$ ($2.5 σ$ expected). The best-fit signal strength is $μ= 1.4\pm0.4$. This result provides evidence for the $H \to μμ$ decay with ATLAS data and offers a direct probe of the Higgs-boson Yukawa coupling to second-generation fermions. |
| title | Evidence for the dimuon decay of the Higgs boson in pp collisions with the ATLAS detector |
| topic | High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2507.03595 |