[Solid_baffle] Baffle block widths

[Richard S. Holmes]

On Mon, May 18, 2015 at 7:28 PM, Zhiwen Zhao <zwzhao at jlab.org> wrote:

> I am not sure
> Besides the width, position in Phi also matters
>

Yes. It has a similar kinked line shape, with the kinks at the same radii
as for the width, though the change in slope is smaller.


> Does anyone want to pick up the work I left for the "5555" baffle since
> end of 2013?
> I think it could lead to a better baffle with similar style to the
> current one.
>

I might be able to take a look. Reviewing my slides from 19 Nov 2013 I
recall the photon backgrounds were much higher than for more1. But I don't
think I ever followed up to see what their spectrum and radial distribution
were. As I understand it you started with 96% of phi turning distribution
for the phase space of interest then widened by 5°. Apparently the same
96%/5° criteria for all kinematics. Correct?

-- 
- Richard S. Holmes
  Physics Department
  Syracuse University
  Syracuse, NY 13244
  315-443-5977
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