Neutron-rich nuclear moment studies using spin-oriented RI beams

4 Mar 2025, 16:40
20m
Main Lecture Hall (University of Aizu)

Main Lecture Hall

University of Aizu

90 Kamiiawase, Tsuruga, Itsukimachi, Aizu-Wakamatsu, Fukushima, 965-0006 Japan.

Speaker

Yuichi Ichikawa (Kyushu University)

Description

The magnetic dipole moment and the electric quadrupole moment are the nuclear moments that provide us with key information about the proton and neutron configurations in a nucleus and the shape of a nucleus, respectively. In the study of nuclear structure through the measurement of the nuclear moments, a technique to produce spin orientation of RI beams has played important roles. In the precision nuclear spectroscopy of the nuclear moments of unstable nuclei, because the motion of their spins can be monitored using anisotropy of radiation from the spin-oriented unstable nuclei, techniques to produce spin orientation of RI beams have played important roles. Recently, a scheme of the two-step projectile fragmentation was developed to produce high spin alignment in RI beams and was applied to the frontier of the study for nuclear structure of neutron-rich nuclei, such as $^{75}$Cu and $^{99}$Zr. In this presentation, recent activities of the nuclear-moment measurements using highly spin-aligned beams at RIKEN RIBF will be reviewed, and future perspectives of nuclear-moment measurements will be discussed.

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Are you a student or postdoc? no

Primary author

Yuichi Ichikawa (Kyushu University)

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