AN ATOMIC MASS STUDY OF NUCLEAR SHELL STRUCTURE IN THE REGION AND

1953 ◽  
Vol 31 (6) ◽  
pp. 942-953 ◽  
Author(s):  
Benjamin G. Hogg ◽  
Henry E. Duckworth

New mass spectrographic masses are reported for some of the isotopes of gallium, germanium, arsenic, and selenium. These results are combined with previously reported atomic mass data in order to study atomic mass trends in the region [Formula: see text] and [Formula: see text]. The only pronounced mass effects which occur in this region are those associated with 28 and 50 nucleons. We have found no extra stability which can be associated with the filling of the f5/2, p3/2 and p1/2 subshells. A list of mass values used in this study is included.

1954 ◽  
Vol 32 (1) ◽  
pp. 65-71 ◽  
Author(s):  
Benjamin G. Hogg ◽  
Henry E. Duckworth

A number of new atomic masses are reported in the region 82 < n < 126 and are used to study nuclear stability in this region. No stability effects associated with a particular neutron number are noticed but rather there is a broad general increase in stability between the 82 and 126 neutron shells.


2011 ◽  
Author(s):  
H. Nakada ◽  
Paraskevi Demetriou ◽  
Rauno Julin ◽  
Sotirios Harissopulos

1979 ◽  
Vol 57 (2) ◽  
pp. 266-270 ◽  
Author(s):  
K. S. Kozier ◽  
K. S. Sharma ◽  
R. C. Barber ◽  
J. W. Barnard ◽  
R. J. Ellis ◽  
...  

The 1.00 m radius high resolution mass spectrometer at the University of Manitoba ('Manitoba II') has been used to determine the atomic masses of 47Ti and 48Ti. These data are somewhat superior in precision to existing values and improve the reliability of atomic mass data in that region of the mass table.


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