Fe-50 beta decay

被引：24

作者：

Koslowsky, VT

Hagberg, E

Hardy, JC

Schmeing, H

Towner, IS

机构：

[1] AECL, Chalk River Laboratories, Chalk River, Ont.

[2] Cyclotron Institute, Texas A and M University, College Station

来源：

NUCLEAR PHYSICS A | 1997年 / 624卷 / 03期

关键词：

Fe-50 beta(+) [from Ca(C-12,2n); measured E-gamma; T-1/2; hyperpure PGe detector; plastic scintillator; high precision;

D O I：

10.1016/S0375-9474(97)00370-9

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 beta(+) decay of Fe-50 (t(1/2) = 155 +/- 11 ms) has been observed for the first time; it exhibits a superallowed branch (77 +/- 6%) to the 0(+) ground state of Mn-50 and an allowed branch to the 650.99 +/- 0.06 keV 1(+) state. The energy of the latter state has been precisely determined in order to reduce the uncertainties in a previous measurement of the Q(EC)-value difference between the superallowed branches of Mn-50 and Co-54, an important datum in determining the value for the Vector Coupling Constant in nuclei. Precise energies have also been determined for beta delayed gamma rays from the decay of Mn-50m. Crown copyright (C) 1997 Published by Elsevier Science B.V.

引用

页码：293 / 298

页数：6

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