Title : 
Some Properties of Spherical Drift Chambers
         
        
            Author : 
Charpak, G. ; Demierre, C. ; Kahn, R. ; Santiard, J.C. ; Sauli, F.
         
        
            Author_Institution : 
CERN, Geneva, Switzerland
         
        
        
        
        
        
        
            Abstract : 
A large-aperture X-ray imaging chamber is described. Angular aperture: 90°. Thickness of spherical absorbing drift space: 10 cm. The photoelectron´s position is measured in a proportional chamber of 50 à 50 cm2, with an accuracy of 0.8 mm (FWHM) in all coordinates.
         
        
            Keywords : 
Anodes; Cathodes; Clouds; Electrodes; Electrons; Pulse circuits; Pulse measurements; Shape; Tungsten; Wire;
         
        
        
            Journal_Title : 
Nuclear Science, IEEE Transactions on
         
        
        
        
        
            DOI : 
10.1109/TNS.1977.4328669