Nuclear structure and astrophysics studies at RIKEN
β Scribed by T. Motobayashi
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 963 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0146-6410
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β¦ Synopsis
At the RIKEN Accelerator Research Facility, various nuclear structure and astrophysics studies have been made using fast exotic beams. Most of the studies are performed in the so-called reversed kinematics paradigm by measuring the deexcitation Ξ³ rays or particle decays of unstable nuclei from their excited levels. Several examples of such studies are presented. The RIKEN RI Beam Factory, which will have its first beam ready by the end of 2006, will greatly extend the region of study to more exotic and heavier nuclei.
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The production of the heaviest elements in nature occurs via the r-process, i.e. a combination of rapid neutron captures, the inverse photodisintegrations, and slower Ξ² --decays, Ξ²-delayed processes as well as fission and possibly interactions with intense neutrino fluxes. A correct understanding an
The tirst experiments with exotic nuclei in the ESR heavy ion storage ring already indicated the new possibilities for nuclear structure research in storage and cooler rings [l 6]. The present status and future possibilities for nuclear reaction studies in storage rings will be addressed in this pap