Unique forbidden beta decays at zero momentum transfer
Fuente:
arXiv
Guardado en:
| Autores principales: | , , |
|---|---|
| Formato: | Preprint |
| Publicado: |
2024
|
| Materias: | |
| Acceso en línea: | |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1866917939821674496 |
|---|---|
| author | Seng, Chien-Yeah Glick-Magid, Ayala Cirigliano, Vincenzo |
| author_facet | Seng, Chien-Yeah Glick-Magid, Ayala Cirigliano, Vincenzo |
| contents | We report an exploratory study of the $\mathcal{O}(α)$ structure-dependent electromagnetic radiative corrections to unique first-forbidden nuclear beta decays. We show that the insertion of angular momentum into the nuclear matrix element by the virtual/real photon exchange opens up the decay at vanishing nuclear recoil momentum which was forbidden at tree level, leading to a dramatic change in the decay spectrum not anticipated in existing studies. We discuss its implications for precision tests on the Standard Model and searches for new physics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_18115 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Unique forbidden beta decays at zero momentum transfer Seng, Chien-Yeah Glick-Magid, Ayala Cirigliano, Vincenzo High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Experiment Nuclear Theory We report an exploratory study of the $\mathcal{O}(α)$ structure-dependent electromagnetic radiative corrections to unique first-forbidden nuclear beta decays. We show that the insertion of angular momentum into the nuclear matrix element by the virtual/real photon exchange opens up the decay at vanishing nuclear recoil momentum which was forbidden at tree level, leading to a dramatic change in the decay spectrum not anticipated in existing studies. We discuss its implications for precision tests on the Standard Model and searches for new physics. |
| title | Unique forbidden beta decays at zero momentum transfer |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment Nuclear Experiment Nuclear Theory |
| url | https://arxiv.org/abs/2409.18115 |