[Solid_baffle] qweak collimator

[Richard S. Holmes]

I ran some events with W70/Cu30 and took a quick look, seems quite
favorable. Looks like 10% to 15% lower background rates than lead. Too hot
off the presses for presentation today of course.

On Wed, May 13, 2015 at 5:18 PM, Zhiwen Zhao <zwzhao at jlab.org> wrote:

> Rakitha and I had a short discussion with Roger.
> He recommended Copper Tungsten Alloy (W70/Cu30) used by Qweak collimator,
> which is eat-resistant,
> ablation-resistant, highly thermally and electrically conductive, and easy
> to machine
> he had some concerns about neutrons and might be able to join our meeting
> tomorrow
>
> Zhiwen
>
>
> On 5/12/2015 1:06 PM, Zhiwen Zhao wrote:
> > hi, All
> >
> > I see some interesting slides for qweak collimator
> >
> http://qweak.jlab.org/DocDB/0009/000932/002/Qweak_Slides%20Infrastructure%20Talk%20Mar%2009.pdf
> >
> http://qweak.jlab.org/DocDB/0010/001025/001/As-Built%20Dimensions%20of%20the%20Defining%20Collimator.pdf
> > We can learn something from their experience.
> >
> > Zhiwen
> > _______________________________________________
> > Solid_baffle mailing list
> > Solid_baffle at jlab.org
> > https://mailman.jlab.org/mailman/listinfo/solid_baffle
> >
> _______________________________________________
> Solid_baffle mailing list
> Solid_baffle at jlab.org
> https://mailman.jlab.org/mailman/listinfo/solid_baffle
>



-- 
- Richard S. Holmes
  Physics Department
  Syracuse University
  Syracuse, NY 13244
  315-443-5977
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://mailman.jlab.org/pipermail/solid_baffle/attachments/20150514/8bca5c2f/attachment.html