[Isotope-prod] Test for next week

[Hari Areti]

Dear Colleagues, 

George K and Kevin Jordan with Pavel's assistance are preparing to do a 
test in the CEBAF injector beam line. Test Setup.jpg is Kevin's photo of the 
set up. Lab's alignment group surveyed the target position and the vacuum 
group removed a BPM to accommodate the test setup. 

The tests will run at 56 MeV (the present injector energy for the experiment in 
Hall B) and at 18.5 MeV which George and Pavel think is the threshold 
energy for Cu-67 production in Gallium. 

Test Procedure.docx contains the steps in the test and also the estimated yields. 

The set up consists of Beryllium exit window, a tungsten radiator, BN holders 
for Ga and Zn targets. Both Ga and Zn will be irradiated at the same time. 
2 cm of Ga followed by 2 cm of Zn. The targets will be approximately 2 cm 
in x and y. 

The likely time for the test is either Tuesday or Wednesday. I will upload Geroge's 
powerpoint file describing his estimates and these two files attached here to the 
dropbox. They will be in a folder called Test. 

Our deadline is fast approaching. 

Thanks and have a good weekend. 

-H 
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