[d2n-analysis-talk] Hall A colab. talk v2

[Matthew R. Posik]

Hi Brad,

On Fri, Jun 3, 2011 at 5:46 PM, Brad Sawatzky <brads at jlab.org> wrote:

> I booked F228 for 12:30--1:30 on Tuesday for a potential practice talk.
> It's up to you if you want to do a run through, but at least we'll have
> a room if you're interested.
>
> That would be great, thanks.

>
> General notes:
> - Dark backgounds are dangerous in a presentation since they are prone
>  to washing out text.  White on dark can often be a problem, but the
>  black (dark) text on the dark background is almost always a bad idea.
>  It looks OK on a bright monitor, but that kind of thing tends to wash
>  out and become unreadable on a projector.  Be sure to test it on the
>  machine you'll be using early next week so you have tiem to change the
>  background if needed.
>

I was a little worried about this as well, in particular with the light
colored text on the light colored background. I think I am going to go back
and use the style that my backup slides are in.

>
> - good set of backup slides
>
>
> Per-slide notes:
> p.5:  should be: "... interacts with it through QED"
>      similarly: "... interacts with the surrounding quarks ...  through
>      the color force."
>
> p.6
> - last bullet:  "d2n is the average ..."  (missing 'the')
>
> p.8
>  - Title should be "Kinematic Coverage" (drop 'DIS', since it's a mix)
>  - first bullet:  "Data-sets at two beam energies:  4.7 GeV ..."
>  - second bullet:
>          - Make sure the x and Q^2 ranges are consistent with each
>            other.
>          - Note that the 5-pass data set was our 'primary' dataset (and
>            is larger than the 4-pass data set)
>  - I'd make a single plot showing both kinematic stripes.  That will
>    shows the combined kinematic coverage more clearly.  Also note that
>    the primary motivator for taking data at two beam energies was to
>    set bounds on any Q^2 evolution of the points in the integrand.
>  - white text on light colored, 'busy' background at the bottom
>    (legiblility issue?)
>
>
> p.10
>  - first bullet:  "... allow us to evaluate d2 exclusively from our
>    data"  (as opposed to relying on world data extractions of 'R', etc)
>  - grey text on light colored, 'busy' background at the bottom.  I
>    think it will be hard to read the bottom line, in particular.
>
> p.11
>  - first 2 bullets:  "Trajectory cut ..." instead of mirror cut
>
>
> p.13
>  - diagram won't be clear to anyone unfamilar with the BB detector
>    stack -- need to be able to explain diagram clearly and consisely,
>    or rework the graphic to be simpler...
>    - at minimum, I would crop out the black numbering on the right side
>      and expand the size of the figure to make the labling legible
>
> p.14
>  - since you're scaling all those histos to have equal area there is no
>    information about how many good electrons are being lost along with
>    the T2 cut.
>    - I don't have a strong opion on changing this plot (since it is
>      intended as a qualitative example), but you should be prepared to
>      answer questions like the one above, if asked.
>    - If you were to change the plot, I would suggest normalizing using
>      the tail (ie. E_PSh > 400, or so) since those should (in
>      principle) be minimally affected by any cut
>    - Ideally, of course, you wouldn't normalize at all and just show
>      "raw, +cut1, +cut2, +cut3" all on one plot so you can see the full
>      effect.  I realize that is tricky with the 'Rejected by T2'
>      histo in particular though...
>
> p.15
>  - Data _were_ taken ...
>  - blue on blue won't be legible on the screen
>
> p.16
>  - stick a 'Preliminary' on there somewhere, just so it's unambigous
>
> p.17
>  -
>
> p.18
>  - Slide title text changed color (grey instead of white)
>  - add 'Error bars are stat. only' to note at bottom
>  - might be nice to add a reference to Diana's thesis
>
>
>
>
> --
> Brad Sawatzky, PhD <brads at jlab.org>  -<>-  Jefferson Lab / Hall C / C111
> Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager: brads-page at jlab.org
> The most exciting phrase to hear in science, the one that heralds new
>  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov
>



-- 
Matthew Posik
Email: posik at temple.edu
Temple University Physics Dept.
Office: BA-319
Office #:  215-204-1331
WebSites:
Temple:
http://quarks.temple.edu/
d2n:
http://hallaweb.jlab.org/experiment/E06-014/
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