The predicted 10.6 keV transition in 221Fr from the α-decay of 225Ac revealed

被引：2

作者：

Yakushev, EA ^{[1
]}

Chumin, VG ^{[1
]}

Gorozhankin, VM ^{[1
]}

Gromov, KY ^{[1
]}

Kovalík, A ^{[1
]}

Filosofov, DV ^{[1
]}

Norseev, YV ^{[1
]}

Yurkova, LV ^{[1
]}

机构：

[1] Joint Inst Nucl Res, Lab Nucl Problems, Dubna 141980, Moscow Region, Russia

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2002年 / 28卷 / 03期

关键词：

D O I：

10.1088/0954-3899/28/3/308

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The low energy electron spectrum from the alpha-decay of Ac-225 has been measured with 20 eV instrumental resolution using an electrostatic spectrometer and radioactive sources prepared by vacuum evaporation. The predicted 10.642(5) keV M1 + < 0.05% E2 nuclear transition in Fr-221 have been revealed. Energies of 26.015(5), 36.660(5), 38.543(3) and 108.37(l) keV nuclear transitions in Fr-221 have been essentially improved. Relative intensities of the measured conversion electron lines of these transitions have also been determined.

引用

页码：463 / 467

页数：5

共 11 条

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