2015/11/30 by K. Hagino, Hagino, K., H. Mei +5
Physics and Astronomy · #Black Holes and Theoretical Physics #FOS: Physical sciences #Nuclear Experiment (nucl-ex) #Nuclear Theory (nucl-th) #Nuclear physics research studies #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #nucl-ex #nucl-th
paper · pdf · doi:10.48550/arxiv.1511.09306
4 pages, 2 eps figures. A talk given at the 12th International Conference on Hypernuclear and Strange Particle Physics (HYP2015), September 7-12, 2015, Sendai, Japan
arxiv created 2015/11/30 · openalex publication_date 2015/11/30 · arxiv updated 2015/12/01 · openalex created_date 2024/04/11 · openalex updated_date 2026/07/28
Taking the hypernucleus 13~ΛC as an example, we illustrate the miscroscopic particle-rotor model for low-lying spectra of hypernuclei. This approach is based on the beyond-mean-field method, with the particle number and angular momentum projections. The quantum fluctuation of the mean-field is also taken into account for the core nucleus using the generator coordinate method. We show that the impurity effect of Λ hyperon, such as a change in B(E2), is well described with this model. Our calculation indicates that the most important impurity effect in sd-shell hypernuclei is a change in a deformation parameter rather than in a nuclear size.