TIME-DIFFERENTIAL PERTURBED ANGULAR-CORRELATION EXPERIMENT FOR 57FE IN A NI HOST, AND A COMPARISON WITH MOSSBAUER EFFECT

被引：20

作者：

HOHENEMSER, C

RENO, R

BENSKI, HC

LEHR, J

机构：

[1] Department of Physics, Brandeis University, Waltham

来源：

PHYSICAL REVIEW | 1969年 / 184卷 / 02期

关键词：

D O I：

10.1103/PhysRev.184.298

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The 122-14-keV - cascade in Fe57 has been used to detect the precession of the 14-keV state in the hyperfine field produced by a Ni lattice at Fe57 impurity sites. The time-differential perturbed angular-correlation technique was used. The data yield a hyperfine field of -267.52.7 kG at room temperature. The magnitude is in agreement with Mössbauer measurements; the sign is determined here for the first time. The data also yield a half-life of 99.30.5 nsec for the 14-keV state, and an anisotropy coefficient A2=-0.01870.0015 for the 122-14-keV cascade. In addition, the data show the absence of time-dependent perturbations over the experimental time interval of 400 nsec. Based on this, application to the study of critical field fluctuations is discussed. © 1969 The American Physical Society.

引用

页码：298 / +

页数：1

共 25 条

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