期刊
PHYSICAL REVIEW LETTERS
卷 111, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.232504
关键词
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资金
- Research Council of Norway [205528]
- HZDR
- DOE [DE-FG02-95ER4093]
Magnetic dipole strength functions are deduced from averages of a large number of M1 transition strengths calculated within the shell model for the nuclides Zr-90, Mo-94, Mo-95, and Mo-96. An enhancement of M1 strength toward low transition energy is found for all nuclides considered. Large M1 strengths appear for transitions between close-lying states with configurations including proton as well as neutron high-j orbits that recouple their spins and add up their magnetic moments coherently. The M1 strength function deduced from the calculated M1 transition strengths is compatible with the low-energy enhancement found in (He-3, He-3') and (d, p) experiments. The Letter presents an explanation of the experimental findings.
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