On the definition of the nucleon axial charge density
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866912918378905600 |
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| author | Panteleeva, J. Yu. Epelbaum, E. Gegelia, J. Meißner, U. -G. |
| author_facet | Panteleeva, J. Yu. Epelbaum, E. Gegelia, J. Meißner, U. -G. |
| contents | We work out the spatial density distributions corresponding to the axial-vector charge density operator for spin-1/2 systems using states described by sharply localized wave packets in arbitrary Lorentz-frames. The static approximation, leading to the frequently assumed Breit-frame distributions, is also considered. We discuss the interpretation of the resulting spatial densities in terms of the axial charge density. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_05050 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On the definition of the nucleon axial charge density Panteleeva, J. Yu. Epelbaum, E. Gegelia, J. Meißner, U. -G. High Energy Physics - Phenomenology Nuclear Theory We work out the spatial density distributions corresponding to the axial-vector charge density operator for spin-1/2 systems using states described by sharply localized wave packets in arbitrary Lorentz-frames. The static approximation, leading to the frequently assumed Breit-frame distributions, is also considered. We discuss the interpretation of the resulting spatial densities in terms of the axial charge density. |
| title | On the definition of the nucleon axial charge density |
| topic | High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2412.05050 |