Investigating the leptonic couplings of doubly charged scalars at the muon collider
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866910091968512000 |
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| author | Ghosh, Nivedita Rai, Santosh Kumar Samui, Tousik Sarkar, Agnivo |
| author_facet | Ghosh, Nivedita Rai, Santosh Kumar Samui, Tousik Sarkar, Agnivo |
| contents | We study the lepton flavour conserving and violating couplings of a doubly charged scalar at a 3 TeV muon collider. Using a model independent Lagrangian, we analyse the electron electron, muon muon, and tau tau final states mediated by the doubly charged scalar to probe individual couplings to mu e, mu mu, and mu tau. We find that for a doubly charged scalar of mass greater than 1 TeV and order one couplings, we achieve high signal significance in these channels. We delineate the collider s sensitivity in the mass vs coupling plane, highlighting the extensive reach of the muon collider in probing these couplings far beyond the current experimental limits. We also propose an angular distribution variable to discriminate the exchange of a doubly charged scalar from that of a neutral scalar, which give identical signals. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_00966 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Investigating the leptonic couplings of doubly charged scalars at the muon collider Ghosh, Nivedita Rai, Santosh Kumar Samui, Tousik Sarkar, Agnivo High Energy Physics - Phenomenology We study the lepton flavour conserving and violating couplings of a doubly charged scalar at a 3 TeV muon collider. Using a model independent Lagrangian, we analyse the electron electron, muon muon, and tau tau final states mediated by the doubly charged scalar to probe individual couplings to mu e, mu mu, and mu tau. We find that for a doubly charged scalar of mass greater than 1 TeV and order one couplings, we achieve high signal significance in these channels. We delineate the collider s sensitivity in the mass vs coupling plane, highlighting the extensive reach of the muon collider in probing these couplings far beyond the current experimental limits. We also propose an angular distribution variable to discriminate the exchange of a doubly charged scalar from that of a neutral scalar, which give identical signals. |
| title | Investigating the leptonic couplings of doubly charged scalars at the muon collider |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2506.00966 |