Nuclear Axial-Charge Transitions in Chiral Perturbation Theory
| dc.creator | Park, Tae-Sun | |
| dc.creator | Min, Dong-Pil | |
| dc.creator | Rho, Mannque | |
| dc.date | 1992-10-20 | |
| dc.date.accessioned | 2026-07-07T03:55:43Z | |
| dc.date.available | 2026-07-07T03:55:43Z | |
| dc.description | We develop a systematic chiral perturbation expansion for the calculation of meson-exchange currents in nuclei and apply the formalism to nuclear axial currents. We summarize the principal results of such a calculation to one loop order on nuclear axial-charge transitions which provides a strong support to the conjecture of ``chiral filter phenomenon" in nuclear medium. The use of heavy baryon chiral perturbation theory enables us to obtain a remarkably simple result valid next to the leading order in chiral counting. The dominant role of a soft-pion exchange in axial-charge transitions in heavy nuclei is confirmed. An important, {\it albeit} indirect, consequence of our result on the empirically observed enhancement in axial-charge transitions in heavy nuclei is pointed out. | |
| dc.description | 11 pages, LaTeX file, SNUTP 92-82 | |
| dc.identifier | https://arxiv.org/abs/hep-ph/9210248 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/9210248 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/44665 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Nuclear Axial-Charge Transitions in Chiral Perturbation Theory | |
| dc.type | text |