scholarly journals The Röntgen: Deficiencies in Present-day Free-Air Chamber Standards

Nature ◽  
1953 ◽  
Vol 172 (4366) ◽  
pp. 35-35 ◽  
Author(s):  
L. A. W. KEMP
Keyword(s):  
Free Air ◽  
1960 ◽  
Vol 38 (12) ◽  
pp. 1677-1689 ◽  
Author(s):  
W. H. Henry ◽  
C. Garrett
Keyword(s):  
X Rays ◽  
X Ray ◽  
Free Air ◽  

A description is given of the Canadian standard free-air chamber for measurement of medium quality X-rays, including measurements of the contribution from radiation scattered from the air and from the diaphragm, and a method for the accurate alignment of the chamber and X-ray source.


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