Quantum entanglement and Bell inequality violation at colliders
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909433527795712 |
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| author | Barr, Alan J. Fabbrichesi, Marco Floreanini, Roberto Gabrielli, Emidio Marzola, Luca |
| author_facet | Barr, Alan J. Fabbrichesi, Marco Floreanini, Roberto Gabrielli, Emidio Marzola, Luca |
| contents | The study of entanglement in particle physics has been gathering pace in the past few years. It is a new field that is providing important results about the possibility of detecting entanglement and testing Bell inequality at colliders for final states as diverse as top-quark, $τ$-lepton pairs and $Λ$-baryons, massive gauge bosons and vector mesons. In this review, after presenting definitions, tools and basic results that are necessary for understanding these developments, we summarize the main findings -- as published by the beginning of year 2024 -- including analyses of experimental data in $B$ meson decays and top-quark pair production. We include a detailed discussion of the results for both qubit and qutrits systems, that is, final states containing spin one-half and spin one particles. Entanglement has also been proposed as a new tool to constrain new particles and fields beyond the Standard Model and we introduce the reader to this promising feature as well. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_07972 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantum entanglement and Bell inequality violation at colliders Barr, Alan J. Fabbrichesi, Marco Floreanini, Roberto Gabrielli, Emidio Marzola, Luca High Energy Physics - Phenomenology High Energy Physics - Experiment Quantum Physics The study of entanglement in particle physics has been gathering pace in the past few years. It is a new field that is providing important results about the possibility of detecting entanglement and testing Bell inequality at colliders for final states as diverse as top-quark, $τ$-lepton pairs and $Λ$-baryons, massive gauge bosons and vector mesons. In this review, after presenting definitions, tools and basic results that are necessary for understanding these developments, we summarize the main findings -- as published by the beginning of year 2024 -- including analyses of experimental data in $B$ meson decays and top-quark pair production. We include a detailed discussion of the results for both qubit and qutrits systems, that is, final states containing spin one-half and spin one particles. Entanglement has also been proposed as a new tool to constrain new particles and fields beyond the Standard Model and we introduce the reader to this promising feature as well. |
| title | Quantum entanglement and Bell inequality violation at colliders |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment Quantum Physics |
| url | https://arxiv.org/abs/2402.07972 |