2020年9月
Mapping of a new deformation region around Ti 62
Physical Review Letters
- 巻
- 125
- 号
- 12
- 記述言語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1103/PhysRevLett.125.122501
We performed the first direct mass measurements of neutron-rich scandium, titanium, and vanadium isotopes around the neutron number 40 at the RIKEN RI Beam Factory using the time-of-flight magnetic-rigidity technique. The atomic mass excesses of Sc58-60, Ti60-62, and V62-64 were measured for the first time. The experimental results show that the two-neutron separation energies in the vicinity of Ti62 increase compared to neighboring nuclei. This shows that the masses of Ti isotopes near N=40 are affected by the Jahn-Teller effect. Therefore, a development of Jahn-Teller stabilization appears below the Cr isotopes, and the systematics in Sc, Ti, and V isotopes suggest that Ti62 is located close to the peak of the Jahn-Teller effect.
- リンク情報
- ID情報
-
- DOI : 10.1103/PhysRevLett.125.122501
- ISSN : 0031-9007
- eISSN : 1079-7114
- PubMed ID : 33016755
- SCOPUS ID : 85092389190