[Isotope-prod] 18.5 MeV test - preliminary results

[Arne Freyberger]

Yes, great job everyone.   Imagine the possibilities if the LERF could 
be funded as a "Test Facility".   We could do similar tests 9 ways till 
Sunday.
Arne

On 06/15/2016 12:40 PM, Hari Areti wrote:
> Dear George,
> Now we know that we can use Ga target.  As you say, there could be 
> many reasons for
> the discrepancy. An obvious ones to me are the alignment error, amount 
> of target material,
> assumed purity of the target, etc.
>
> Let me take the opportunity to say how impressed I am with you for the 
> relentless effort
> you put in to make this test happen. After being turned away from one 
> hall and then the
> other, you persisted, carried out simulations and the test plans and 
> more. Thanks to Kevin
> for making things happen at lightening speed.
>
> -H
>
>
> ------------------------------------------------------------------------
> *From: *"George Kharashvili" <georgek at jlab.org>
> *To: *"isotope-prod" <isotope-prod at jlab.org>
> *Sent: *Wednesday, June 15, 2016 11:31:37 AM
> *Subject: *[Isotope-prod] 18.5 MeV test - preliminary results
>
> The first look at the gallium activation test suggests that we 
> produced ~4500 Bq of Cu-67.
> Irradiation was done using 18.5 MeV beam on 1mm W radiator for 1 hour 
> at average current of 2.5 microA, or 46 W-h. We had predicted 7000 Bq 
> production in a 50 W-h irradiation. There are several differences 
> between the model and irradiation, so I need to rerun the model and do 
> a little more detailed analysis of the sample.
> More to follow during the next couple of days.
>
> --
> George Kharashvili
> Jefferson Lab Radiation Control
> 757-269-6435
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-- 
Arne Freyberger
Director of Accelerator Operations
Jefferson Lab           Office: (757) 269-6289
12000 Jefferson Avenue    Cell: (757) 876-6289
Newport News, VA 23606   Email: freyberg at jlab.org

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