THE MAGNETIC MOMENT OF INDIUM-115m

1962 ◽  
Vol 40 (8) ◽  
pp. 931-942 ◽  
Author(s):  
J. A. Cameron ◽  
H. J. King ◽  
H. K. Eastwood ◽  
R. G. Summers-Gill

The hyperfine structure of the 4.5-hour metastable state of indium-115 has been studied by the method of atomic beam magnetic resonance. The values found for the hyperfine interaction constants are −903.5 ± 1.1 and −95.973 ± 0.010 Mc/sec in the 2P1/2 and 2P3/2 electronic states respectively. Neglecting a possible hyperfine anomaly, these correspond to a nuclear magnetic moment for In115m of −0.24371 ± 0.00005 nuclear magnetons. The construction of the atomic beam apparatus, recently completed at McMaster University, is also described.

1968 ◽  
Vol 46 (3) ◽  
pp. 177-181 ◽  
Author(s):  
A. R. Mufti ◽  
J. A. Cameron ◽  
J. C. Waddington ◽  
R. G. Summers-Gill

The hyperfine structure of 1.9-hour 117mIn has been investigated using atomic magnetic resonance. In the 2P1/2 and 2P3/2 electronic states, the magnetic dipole interaction constants are[Formula: see text]If the possibility of a hyperfine anomaly is neglected, the nuclear magnetic moment of 117mIn is −0.251 46 ± 0.000 03 nuclear magnetons. Thus the nucleus follows the trend shown by other 2p1/2 proton nuclei, namely that the addition of a neutron pair always reduces the deviation from the Schmidt value.


1965 ◽  
Vol 140 (6B) ◽  
pp. B1483-B1487 ◽  
Author(s):  
Richard D. Worley ◽  
Vernon J. Ehlers ◽  
William A. Nierenberg ◽  
Howard A. Shugart

2017 ◽  
Vol 53 (1) ◽  
Author(s):  
A. B. D’yachkov ◽  
V. A. Firsov ◽  
A. A. Gorkunov ◽  
A. V. Labozin ◽  
S. M. Mironov ◽  
...  

1969 ◽  
Vol 184 (4) ◽  
pp. 1102-1104 ◽  
Author(s):  
Yau W. Chan ◽  
Victor W. Cohen ◽  
H. B. Silsbee

1971 ◽  
Vol 49 (7) ◽  
pp. 906-913 ◽  
Author(s):  
G. M. Stinson ◽  
A. R. Pierce ◽  
J. C. Waddington ◽  
R. G. Summers-Gill

Atomic beam magnetic resonance has been used to study the 41-s isomeric state of 109Ag. The measured nuclear spin is 7/2 and the hyperfine interaction constant in the 2S1/2 electronic state is found to be 9550 ± 100 MHz. The special nature of the data also provides a direct evaluation of the nuclear magnetic moment, μI(corr.) = +4.27 ± 0.13 nuclear magnetons. The accuracy, however, is limited by the possibility of power shifts in the observed resonances and the error quoted is an estimate of this uncertainty. The moment is in closest agreement with theory if one assumes the state is the result of the coupling of three quasi-particles.


1935 ◽  
Vol 48 (9) ◽  
pp. 725-731 ◽  
Author(s):  
L. P. Granath ◽  
R. K. Stranathan

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