scholarly journals Measurement of nuclear spin relaxation time in lanthanum aluminate for development of polarized lanthanum target

Author(s):  
K. Ishizaki ◽  
H. Hotta ◽  
I. Ide ◽  
M. Iinuma ◽  
T. Iwata ◽  
...  
Physica B+C ◽  
1981 ◽  
Vol 108 (1-3) ◽  
pp. 1055-1056 ◽  
Author(s):  
Dieter Vollhardt ◽  
Peter Wölfle

1961 ◽  
Vol 39 (6) ◽  
pp. 870-880 ◽  
Author(s):  
G. T. Needler ◽  
W. Opechowski

The Schwinger formula for the relaxation time T1 of nuclear spins in hydrogen gas is valid only for sufficiently low temperatures. In this paper an approximate theory of T1 is developed valid for any temperature. An explicit expression is given for T1 valid for temperatures up to room temperature; this expression reduces to the Schwinger formula for sufficiently low temperatures.


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