Relativistic calculations of giant resonances with non-linear models

✍ Scribed by Nguyen Van Giai; Zhongyu Ma; Hiroshi Toki; Baoqiu Chen

• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 381 KB
• Volume: 649
• Category: Article
• ISSN: 0375-9474
• DOI: 10.1016/s0375-9474(99)00036-6

✦ Synopsis

The nuclear isoscalar and isovector giant resonances in stable and unstable nuclei are studied in the framework of the relativistic random phase approximation. The meson propagators with non-linear self-interactions are constructed in momentum space from the second variation of the action. It is found that relativistic models with relatively large values of the compression modulus can nevertheless describe satisfactorily the breathing mode energy in 2°Spb. Results for isovector monopolc resonances in closed shell nuclei, and for the giant dipole resonance in Argon isotopes are also discussed.