s-Wave Approximation for Asymmetry in Nonmesonic Decay of Finite Hypernuclei
| dc.creator | Barbero, Cesar | |
| dc.creator | Galeao, Alfredo P. | |
| dc.creator | Krmpotic, F. | |
| dc.date | 2007-11-13 | |
| dc.date.accessioned | 2026-07-07T11:13:09Z | |
| dc.date.available | 2026-07-07T11:13:09Z | |
| dc.description | We establish the bridge between the commonly used Nabetani-Ogaito-Sato-Kishimoto (NOSK) formula for the asymmetry parameter $a_Λ$ in the $\vecΛp \to np$ emission of polarized hypernuclei, and the shell model (SM) formalism for finite hypernuclei. We demonstrate that the s-wave approximation leads to a SM formula for $a_Λ$ that is as simple as the NOSK one, and that reproduces the exact results for $^5_Λ$He and $^{12}_Λ$C better than initially expected. The simplicity achieved here is indeed remarkable. The new formalism makes the theoretical evaluation of $a_Λ$ more transparent, and explains clearly why the one-meson exchange model is unable to account for the experimental data of $^5_Λ$He. | |
| dc.description | 9 pages. to be published in Physical Review C | |
| dc.identifier | https://arxiv.org/abs/0711.1997 | |
| dc.identifier | http://arxiv.org/abs/0711.1997 | |
| dc.identifier | Phys.Rev.C76:054321,2007 | |
| dc.identifier | doi:10.1103/PhysRevC.76.054321 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/191619 | |
| dc.subject | Nuclear Theory | |
| dc.title | s-Wave Approximation for Asymmetry in Nonmesonic Decay of Finite Hypernuclei | |
| dc.type | text |