Quantum Tomography in Neutral Meson and Antimeson Systems
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909692392898560 |
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| author | Cheng, Kun Han, Tao Low, Matthew Wu, Tong Arthur |
| author_facet | Cheng, Kun Han, Tao Low, Matthew Wu, Tong Arthur |
| contents | The flavor space of particles produced in collider environments contains informative quantum correlations. We present a systematic approach for constructing the complete flavor density matrix for a meson and antimeson system ($M \bar M$) in the Bloch vector space at a given time $t$, which can be at or after production. We point out that the $B_s^0$ and $K^0$ systems are superior to the $B^0_d$ and $D^0$ systems for quantum tomography because of their flavor oscillation and decay properties. Performing quantum tomography for the $M \bar M$ system can facilitate the study of production mechanisms, decoherence phenomena, quantum information variables, and potential new sources of CP violation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_12513 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Quantum Tomography in Neutral Meson and Antimeson Systems Cheng, Kun Han, Tao Low, Matthew Wu, Tong Arthur High Energy Physics - Phenomenology High Energy Physics - Experiment Quantum Physics The flavor space of particles produced in collider environments contains informative quantum correlations. We present a systematic approach for constructing the complete flavor density matrix for a meson and antimeson system ($M \bar M$) in the Bloch vector space at a given time $t$, which can be at or after production. We point out that the $B_s^0$ and $K^0$ systems are superior to the $B^0_d$ and $D^0$ systems for quantum tomography because of their flavor oscillation and decay properties. Performing quantum tomography for the $M \bar M$ system can facilitate the study of production mechanisms, decoherence phenomena, quantum information variables, and potential new sources of CP violation. |
| title | Quantum Tomography in Neutral Meson and Antimeson Systems |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment Quantum Physics |
| url | https://arxiv.org/abs/2507.12513 |