[Isotope-prod] Fwd: Isotope Production Proposal at JLAB's LERF Facility...

[Sundaresan Gobalakrishnan]

I agree, Let us not give up. Instead, let us double our efforts and focus.

Best regards,
Sundaresan

________________________________
From: Isotope-prod <isotope-prod-bounces at jlab.org> on behalf of Hutton Andrew <andrew at jlab.org>
Sent: Sunday, April 17, 2016 8:56:14 AM
To: Kharashvili George
Subject: [Isotope-prod] Fwd: Isotope Production Proposal at JLAB's LERF Facility...

Everyone

Bad news, looks like we need to back to the drawing board!

Let's meet to discuss the next steps.

Thanks for all of your efforts so far.  I am not giving up!

Andrew

Begin forwarded message:

From: "Balkin, Ethan R." <Ethan.Balkin at science.doe.gov<mailto:Ethan.Balkin at science.doe.gov>>
Subject: Isotope Production Proposal at JLAB's LERF Facility...
Date: April 16, 2016 at 11:49:29 AM EDT
To: "'Hutton Andrew'" <andrew at jlab.org<mailto:andrew at jlab.org>>
Cc: "Gillo, Jehanne" <Jehanne.Gillo at science.doe.gov<mailto:Jehanne.Gillo at science.doe.gov>>, "Garland, Marc" <Marc.Garland at science.doe.gov<mailto:Marc.Garland at science.doe.gov>>, "Phillips, Dennis" <Dennis.Phillips at science.doe.gov<mailto:Dennis.Phillips at science.doe.gov>>, "Romero, Luisa" <Luisa.Romero at science.doe.gov<mailto:Luisa.Romero at science.doe.gov>>


Dear Dr. Hutton,



We considered your proposal addressing "Isotope Production at the Jefferson Lab LERF Facility".  Unfortunately, in its present form, we cannot support this proposal.  We are concerned with the proposed target design and the lack of cost-effective production.



The technical expertise of the J-Lab investigators is unquestionable.  Additionally, J-Lab has unique resources that could be leveraged to advance the DoE Isotope Program's production efforts.  However, the particular target design chosen (liquid Ga metal) is a technically challenging approach for facilities which routinely conduct isotope production; let alone one attempting it for the first time.  It is not clear that the design complexity, as it directly relates to isotopic production and radiochemical separation, has been taken into consideration.  If a liquid metal target is something that you wish to pursue, I encourage you to seek funding in one of the competitive isotope production R&D FOAs administered by Dennis Phillips (there is one that will be advertised in the very near future).  However, if routine integration into the isotope production complex is what you seek, I would encourage you to consider redesigning your target to improve the radiochemical yield obtained per-hour of irradiation while significantly reducing the per-unit cost of production/isolation, and/or identify alternative isotopes which might afford you those production characteristics.  Just to let you know, the current proposed costs are more than an order of magnitude too high for cost effective routine production.



For reference, please see the 2015 NSAC-I committee report to identify alternative isotopes in demand by the user community.



Thank you again for your proposal and we look forward to considering a revised version.



Best regards,

-Ethan

____________________________________

Dr. Ethan R. Balkin

Isotope Production Facilities Program Manager

U.S. Department of Energy Isotope Program

Office of Science: Office of Nuclear Physics

Germantown Building, SC-26.2
1000 Independence Ave., SW

Washington, DC 20585-1290

Phone: (301)903-1861

Fax:       (301)903-3833

Email: ethan.balkin at science.doe.gov<mailto:ethan.balkin at science.doe.gov>
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