[Halld-physics] slides for menu2010

[Eugene Chudakov]

Hi Alex,

I enclose several specific comments. A general comment is the length -
it is not impossible, but requires a few rehearsals.
It would be safer to remove a couple of slides.

Cheers
Eugene

slide 4:

J=L+S should be a vector sum, while in other places as C=(-1)**(L+S)
L+S is a scalar sum.

I would suggest to add that the lowest gluon excitation adds 
either 1^{+-) or 1^{-+}

The bottom line "Allowed J^{pc}" might be confused with the regular 
mesons.

slide 5:

you may write or just say that the new calculations are "unquenched"
(closer to reality)

slide 6:

why the 3 pion decay is called favored? The model favors one L=1 meson.
Does is mean a f0 or f2 (2pi dominant decays) with a pion? As far
as I understand (I may be wrong) rho+pi decay is not favored by
the tube model.

slide 11:

40% polarization arrow should point to the main 9 GeV peak (on the JLab windows
server I am using it points rather to the small 10 GeV peak).

slide 14:

the sign "add in quadratures" should contain "+" instead of "x".
The sign "x" in a circle means something else.

the large size of BCAL is not obvious (4 m long 1.3 diameter).

slide 16.

it might be useful to mention the assumed width of the shown
1-+ state.

slide 18:

"stay tuned, physics results are on the way"

what do you mean? The first physics run is scheduled for May 2016.


On Mon, 31 May 2010, Alexander Somov wrote:

>
> Dear Colleagues,
>
> I put slides of the MENU2010 GlueX talk to
> http://www.jlab.org/~somov/menu2010/menu2010.pptx
>
> The talk is today (late afternoon). Just in case someone
> is online..., please take a look and send me your comments.
>
> Thanks,
>        Sascha
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