Probing anomalous $γγγγ$ couplings at a future muon collider
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| Format: | Preprint |
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2023
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| _version_ | 1866910319258894336 |
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| author | Amarkhail, H. İnan, S. C Kisselev, A. V. |
| author_facet | Amarkhail, H. İnan, S. C Kisselev, A. V. |
| contents | We have studied anomalous four-photon couplings in the $μ^+μ^- \rightarrow μ^+ γγμ^-$ scattering at a future muon collider. The collision energies of 3 TeV, 14 TeV, and 100 TeV are addressed. Both differential and total cross sections versus invariant mass of the outgoing photons are calculated. The best 95\% C.L. exclusion bounds on anomalous couplings are obtained to be $g_1 = 2.23 \times 10^{-8}$ TeV$^{-4}$ and $g_2 = 4.22 \times 10^{-8}$ TeV$^{-4}$. They correspond to the muon collision energy of 100 TeV. The partial-wave unitary constraints on $g_1$ and $g_2$ are examined. We have demonstrated that the unitarity is not violated in a region of the anomalous couplings obtained in the present paper. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2306_03653 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Probing anomalous $γγγγ$ couplings at a future muon collider Amarkhail, H. İnan, S. C Kisselev, A. V. High Energy Physics - Phenomenology High Energy Physics - Experiment We have studied anomalous four-photon couplings in the $μ^+μ^- \rightarrow μ^+ γγμ^-$ scattering at a future muon collider. The collision energies of 3 TeV, 14 TeV, and 100 TeV are addressed. Both differential and total cross sections versus invariant mass of the outgoing photons are calculated. The best 95\% C.L. exclusion bounds on anomalous couplings are obtained to be $g_1 = 2.23 \times 10^{-8}$ TeV$^{-4}$ and $g_2 = 4.22 \times 10^{-8}$ TeV$^{-4}$. They correspond to the muon collision energy of 100 TeV. The partial-wave unitary constraints on $g_1$ and $g_2$ are examined. We have demonstrated that the unitarity is not violated in a region of the anomalous couplings obtained in the present paper. |
| title | Probing anomalous $γγγγ$ couplings at a future muon collider |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2306.03653 |