Relative velocity in special relativity and quantum field theory
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866911623609843712 |
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| author | Garfinkle, David |
| author_facet | Garfinkle, David |
| contents | A derivation of the relative velocity used in the definition of the relativistic cross-section is given in terms of manifestly Lorentz invariant quantities. Along the way we find that there is a certain arbitrariness in the usual definition of cross-section. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_23836 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Relative velocity in special relativity and quantum field theory Garfinkle, David General Relativity and Quantum Cosmology High Energy Physics - Phenomenology A derivation of the relative velocity used in the definition of the relativistic cross-section is given in terms of manifestly Lorentz invariant quantities. Along the way we find that there is a certain arbitrariness in the usual definition of cross-section. |
| title | Relative velocity in special relativity and quantum field theory |
| topic | General Relativity and Quantum Cosmology High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2604.23836 |