On Sizes of Hadrons
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866914395253112832 |
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| author | Petrov, Vladimir A. |
| author_facet | Petrov, Vladimir A. |
| contents | Recently, various types of "radii" have been intensively discussed in the literature: "charge", "mass", "mechanical", "gravitational", etc. In my report, I analyze the definitions of quantities of such type in terms of matrix elements of local field operators and their relationship to physical (geometric) size. I also try to find out possible (if any) interpretation of the mentioned quantities and point out some serious conceptual difficulties related to the causality principle. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_14352 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | On Sizes of Hadrons Petrov, Vladimir A. High Energy Physics - Phenomenology Recently, various types of "radii" have been intensively discussed in the literature: "charge", "mass", "mechanical", "gravitational", etc. In my report, I analyze the definitions of quantities of such type in terms of matrix elements of local field operators and their relationship to physical (geometric) size. I also try to find out possible (if any) interpretation of the mentioned quantities and point out some serious conceptual difficulties related to the causality principle. |
| title | On Sizes of Hadrons |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2603.14352 |