[G12] yield study update.

[Valery Kubarovsky]

Hi Johann,
You wrote very interesting note.
We discussed with Eugene your report.
Eugene told me that there were problems with the TOF efficiency in g13, g9a
and g12.
We need to check it out.
1. Could you please plot scattered plots for pi+, pi- and protons (phi,
theta)?
2. And all together
3. Please use Ecounter ID for the energy measurements, not just Ebeab. There
are some irregularity in the Ebeam distributions that we want to understand.
4. Could you please plot the same distributions as in Fig. 27 but for the
events with at least one proton, at least one pi+ or pi-?
We understand that for the two sector trigger we don't expect events with
one proton. However we want to take a look
to such events

Regards,
valery


On Thu, May 5, 2011 at 9:55 AM, Johann Goetz <jgoetz at ucla.edu> wrote:

> I updated report i showed yesterday at the g12 meeting. It should read
> "Draft 1.6" at the top of each page. If not, then you may have to clear your
> browser's cache.
>
> Please take note of Table 3 on page 5, as well as the last two paragraphs
> on the same page. I will finish the incorporation of "noise" into
> simulations before I add much (if anything) to this report.
>
> http://www.jlab.org/~goetz/g12/yield_study/report.pdf
>
> Thanks,
> --
> Johann T. Goetz, PhD.
> jgoetz at ucla.edu
> Nefkens Group, UCLA Dept. of Physics & Astronomy
> Hall-B, Jefferson Lab, Newport News, VA
> Office: 757-269-5465 (CEBAF Center F-335)
> Mobile: 757-768-9999
>
>
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>
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