[Cuga] DATE CORRECTION - Re: Graduate Student Luncheon: WEDNESDAY, November 17th at noon

[Linda Ceraul]

On 11/12/2010 1:48 PM, Linda Ceraul wrote:
> Please RSVP to: harris at jlab.org by Tuesday, November 16th.
>
> Feasibility and Conceptual Design of a C.W. Positron Source at CEBAF
>
> *Serkan Golge*
> North Carolina Central University
> November 17, 2010
> 12:00-1:30pm
> CC F113
>
> Abstract
>
> A feasibility study of a CW positron source for the 12 GeV upgrade at
> Jefferson Lab (JLAB) is provided. The proposed>=100 nA Continuous
> Wave (CW) positron source at JLAB has several unique and challenging
> characteristics: high current incident electron beam at 126 MeV with a
> high beam power (up to a MW); CW electron beam and CW positron production.
> The optimization of the target thickness and beam energy are completed.
> Three positron injector configurations are proposed; Combined Function
> Magnet, Two-Dipole and Microtron Dipole configurations. By using 126 MeV
> 10 mA e- beam impinging on a 2 mm W target with a 100 micron spot size,
> we can get up to 3 uA useful e+ current at the North Linac connection. One
> of the biggest challenges is the target design, which the deposited power
> is about 60 kW. Possible solutions are presented to address the target
> issue as well.
> -- 
> Linda Ceraul
> Physics Administrative Assistant
> Jefferson Lab
>    

-- 
Linda Ceraul
Physics Administrative Assistant
Jefferson Lab

-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://mailman.jlab.org/pipermail/cuga/attachments/20101112/83d7880f/attachment.html