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Gamma08

3–5 Apr 2008
RIKEN Nishina Center
Asia/Tokyo timezone

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Session

Stability of Very Heavy Nuclei

SHE
5 Apr 2008, 09:00
Nishina Hall (RIKEN Nishina Center)

Nishina Hall

RIKEN Nishina Center

RIKEN Wako, Japan

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  1. 18. Spectroscopy of Very Heavy Elements
    Dr Pete Jones (University of Jyväskylä)
    05/04/2008, 09:00
    Shell structure and stability of very heavy nuclei
    Invited Presentation
    A stringent test for predictive power of current nuclear structure theories is provided by the study of deformed nuclei in the region of 254No. These nuclei are the heaviest for which detailed in-beam and decay spectroscopy can be performed. Initial in-beam measurements in the region focussed on gamma-ray spectroscopy of even-even nuclei (e.g. 252,254No, 250Fm), studying the ground-state...
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  2. 42. Gamma-ray spectroscopy of heavy-actinide and transactinide nuclei: toward more neutron-rich and heavier nuclei
    Dr Masato Asai (Japan Atomic Energy Agency)
    05/04/2008, 09:30
    Shell structure and stability of very heavy nuclei
    Invited Presentation
    Gamma-ray spectroscopy of heavy-actinide and transactinide nuclei is extremely difficult because of their very small production cross sections and severe backgrounds mainly arising from fission channel. Recently, some experimental approaches have overcome these difficulties, and opened a door to detailed nuclear structure studies for such heavy nuclei. For example, unsafe Coulomb excitation...
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  3. 14. Isomer Spectroscopy of the Heaviest Elements
    Dr Roderick Clark (LBNL)
    05/04/2008, 10:00
    Shell structure and stability of very heavy nuclei
    Presentation
    The existence of superheavy elements implies that there are substantial shell effects, beyond the macroscopic liquid drop energy, which stabilize the nucleus against fission. The specific “magic” proton and neutron numbers, representing major spherical shell gaps, are a matter of considerable debate. Shell gaps can also occur when the nucleus distorts to non-spherical shapes leading to...
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  4. 16. Collective motion, rotation alignment, and K-isomeric states in very heavy nuclei: A theoretical study
    Prof. Yang Sun (Shanghai Jiao Tong University)
    05/04/2008, 10:20
    Shell structure and stability of very heavy nuclei
    Presentation
    Recent experimental advances have made it possible to study spectroscopy in very heavy nuclei. It has been suggested [1] that by studying the transfermium isotopes, in particular their excited structure, one can gain useful information on relevant single-particle states, which is the key to locating the anticipated `island of stability'. The study of rotation alignment of...
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