Quantum tomography beyond the leading order
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915488086360064 |
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| author | Aguilar-Saavedra, J. A. |
| author_facet | Aguilar-Saavedra, J. A. |
| contents | Quantum tomography, as a tool to probe foundational aspects of quantum mechanics, relies on extracting spin information from angular distributions. This is inherently a leading-order technique, ill-defined when higher-order corrections are significant. For those cases, we propose to treat higher-order corrections as a background, to be modeled and subtracted from data in the same way as other backgrounds are. We illustrate this procedure for Higgs decays $H \to ZZ \to e^+ e^- μ^+ μ^-$, which is of high interest for upcoming qutrit entanglement tests at the Large Hadron Collider. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_11870 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Quantum tomography beyond the leading order Aguilar-Saavedra, J. A. High Energy Physics - Phenomenology High Energy Physics - Experiment Quantum tomography, as a tool to probe foundational aspects of quantum mechanics, relies on extracting spin information from angular distributions. This is inherently a leading-order technique, ill-defined when higher-order corrections are significant. For those cases, we propose to treat higher-order corrections as a background, to be modeled and subtracted from data in the same way as other backgrounds are. We illustrate this procedure for Higgs decays $H \to ZZ \to e^+ e^- μ^+ μ^-$, which is of high interest for upcoming qutrit entanglement tests at the Large Hadron Collider. |
| title | Quantum tomography beyond the leading order |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2505.11870 |