scholarly journals Influence of Combined Static and Time-Dependent Quadrupole Interactions on Angular Correlation in Nuclei with Integral Spin

1971 ◽  
Vol 3 (3) ◽  
pp. 1052-1053 ◽  
Author(s):  
P. da R. Andrade ◽  
J. D. Rogers

The time-dependent anisotropy of the differential 133-482 keV γ-γ angular correlation in synthetic, 3 and 24 h pile irradiated ( BPHA ) 4 Hf indicates the occurrence of considerable thermal neutron capture after-effects and suggest the formation of at least three chemical species in the irradiated complex.


2000 ◽  
Vol 55 (1-2) ◽  
pp. 155-159 ◽  
Author(s):  
M. Rentería ◽  
L. A. Errico ◽  
A. G. Bibiloni ◽  
K. Freitag ◽  
F. G. Requejo

We present Perturbed Angular Correlation (PAC) results of the electric-nuclear quadrupole interaction at lxl Ta located at the nonequivalent cation sites of cubic C-Sm2O3 and monoclinic B-Sm2O3 free of defects. The application of the empirical Cd/Ta correlation found in binary oxides allowed us to correlate the interactions with each site and to identify the single Sm site populated in 111In-implanted B-Sm2O3 experiments. The preferential site occupation of Cd and Ta in B-Samaria is discussed in terms of the “chemistry” of the probe-atoms.


1998 ◽  
Vol 53 (6-7) ◽  
pp. 340-348 ◽  
Author(s):  
Zhu Shengyun

Abstract The principle of the time differential perturbed angular correlation and distribution technique which measures the nuclear quadrupole interaction is briefly described. Some examples are given to show the possibilities of this technique in microscopic studies of materials.


1998 ◽  
Vol 57 (24) ◽  
pp. 15272-15281 ◽  
Author(s):  
J. Luthin ◽  
K. P. Lieb ◽  
M. Neubauer ◽  
M. Uhrmacher ◽  
B. Lindgren

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