期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.212502
关键词
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资金
- NSERC
- NRC through TRIUMF
- STFC of the United Kingdom
- STFC [EP/D075769/1, ST/J000159/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/C532988/1] Funding Source: researchfish
- Science and Technology Facilities Council [ST/J000159/1, EP/D075769/1] Funding Source: researchfish
Collinear-laser spectroscopy with the bunched-beams technique was used for the study of neutron deficient Rb isotopes, out to Rb-74 (N = Z = 37) at TRIUMF. The measured hyperfine coupling constants of Rb-76,Rb-78m were in agreement with literature values. The nuclear spin of Rb-75 was confirmed to be I = 3/2, and its hyperfine coupling constants were measured for the first time. The mean-square charge radius of Rb-74 was determined for the first time. This result has improved the isospin symmetry breaking correction term used to calculate the Ft value, with implications for tests of the unitarity of the Cabibbo-Kobayashi-Maskawa matrix.
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