83 



from Buenos Aires, Argentina (NSF funded); and informal ex- 

 change arrangements with Grenoble, France; Lanchow, China; 

 and the Weizmann Institute, Israel. 



Potential for Future International Cooperation : Beam time at this 



facility is available without charge for the best research 

 proposals worldwide. 



Berkeley, CA., U.S.A. 



184-INCH CYCLOTRON 



Lawrence Berkeley Laboratory (LBL) 



U.S. Dept. of Energy 



"Big Science" Descriptor ; Nuclear physics 



Description of Facility/Instrument : This is a cyclotron with maximum 

 energy of 730 million electron volts (MeV) for protons and 460 

 MeV for deuterons. The 184-Inch Cyclotron was transferred to 

 medical use on June 30, 1975, principally for the clinical 

 treatment of cancer. It has been particularly successful in the 

 treatment of occular melanoma. 



Date of Construction ; Constructed in 1940-46 and 1955-57; it ceased 

 nuclear physics in 1975 



Construction Cost : Original ; $3.4 million 



1984 $$ ; $18.4 million 



Present International Cooperation 



Nationality(8) of Ownership ; U.S. 

 Nationality(s) of Operational Funding : U.S. 

 Nationality(s) of Management Staff : U.S. 

 Nationality(s) of Researchers: 



