[Sneap] Electron Beams

[Gregory C. Harper]

Barney-

When I was there 30 years ago the building outside the west gate had 2.0MV and 300kV single ended machines. The 2.0MV van de Graaff was set up to run both polarities but I don't remember how the corona system was handled. There was an electron experiment with an aluminum exit window on the left 45 degree beam line. The switching magnet was run with the degausser to get a low enough field for the electrons. Is that still there? Thirty years is a long time so I guess I'm just curious.

Gregory C. Harper               Phone:(206) 543-4084 (Office)
Research Engineer/Scientist IV        (206) 543-4062 (Lab)      
University of Washington        FAX:  (206) 685-4634
CENPA NPL Bldg.
Box 354290                      email: gharper at u.washington.edu
Seattle, WA 98195-4290

On Wed, 28 Jan 2009, Doyle, Barney L wrote:

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> Our groups go to little mountain lab in provo , and white sands missle range.  These are MeV energies and short pulses.  We will have a 100 KV system up in a few months.
>
> -barn
>
> -----Original Message-----
> From: sneap-bounces at tunl.duke.edu [mailto:sneap-bounces at tunl.duke.edu] On Behalf Of Arthur W Haberl
> Sent: Wednesday, January 28, 2009 1:23 PM
> To: Symposium of Northeastern Accelerator Personnel
> Subject: Re: [Sneap] Electron Beams
>
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>
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> I have had several requests within one month for electron irradiations.  Our system is convertible for positive or negative, but we aren't anxious to take the time and effort for electrons.  Do any of the SNEAP labs have electron irradiations available for outside users?  Does anyone know of working laboratories who can do electrons in vacuum, possible with LN cooling in the target holder?
>
> Art Haberl
> IBL Albany
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>
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