Spacetime profile of electromagnetic fields in intermediate-energy heavy-ion collisions
Fuente:
arXiv
Saved in:
| Main Author: | |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866911052065669120 |
|---|---|
| author | Taya, Hidetoshi |
| author_facet | Taya, Hidetoshi |
| contents | I numerically estimate the spacetime profile of the electromagnetic fields produced in intermediate-energy heavy-ion collisions at $\sqsNN=2.4\,\mathchar`-\,7.7\;{\rm GeV}$ for a wide range of impact parameters $b=0\,\mathchar`-\,9\;{\rm fm}$, using a hadronic cascade model, JAM (Jet AA Microscopic transport model). I demonstrate that (1) the produced electromagnetic fields are as strong as $eE, eB = {\mathcal O}((50\;{\rm MeV})^2)$; (2) that the produced fields extend in spacetime about $V_4 = {\mathcal O}((10\;{\rm fm})^4)$; (3) that the magnetic field dominates around the collision point, while the other broad regions of spacetime are dominated by the electric field; and (4) that a topological electromagnetic-field configuration such that ${\bm E}\cdot {\bm B} \neq 0$ is realized. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_18171 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spacetime profile of electromagnetic fields in intermediate-energy heavy-ion collisions Taya, Hidetoshi High Energy Physics - Phenomenology Nuclear Theory I numerically estimate the spacetime profile of the electromagnetic fields produced in intermediate-energy heavy-ion collisions at $\sqsNN=2.4\,\mathchar`-\,7.7\;{\rm GeV}$ for a wide range of impact parameters $b=0\,\mathchar`-\,9\;{\rm fm}$, using a hadronic cascade model, JAM (Jet AA Microscopic transport model). I demonstrate that (1) the produced electromagnetic fields are as strong as $eE, eB = {\mathcal O}((50\;{\rm MeV})^2)$; (2) that the produced fields extend in spacetime about $V_4 = {\mathcal O}((10\;{\rm fm})^4)$; (3) that the magnetic field dominates around the collision point, while the other broad regions of spacetime are dominated by the electric field; and (4) that a topological electromagnetic-field configuration such that ${\bm E}\cdot {\bm B} \neq 0$ is realized. |
| title | Spacetime profile of electromagnetic fields in intermediate-energy heavy-ion collisions |
| topic | High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2501.18171 |