[Clas12_rgh] [EXTERNAL] Slides for PAC discussion

[Marco Contalbrigo]

Sorry for the italian in the previous mail.

On Tue, 22 Jul 2025, pappalardo wrote:

> Hi Marco,
>
> very nice and clear slides! I have a only few minor comments/suggestions
>
> S9: "±25 horizontal" --> "±25 vertical"

ok

> S12:
> - why not showing the (high) DC occupancy point of Sector 4 in the top-right 
> plot? I think it is better to show the point, to better motivate the choice 
> of switching off the DC in this sector (rather than not showing the point at 
> all).

it should be out of scale. The plot is old, I am not sure
I can resume/redo it in a short time.

> - what do you mean by "RICH in Sector 3"?

I added a "move": if we switch off sector 4, we move
the RICH on sector 3.

> S22: Why the systematics associated to the target dilution is different for 
> SIDIS (2%) and DVCS (1%). Is this intentional?

the esxclusivity cuts suppress radiation events
and reduce their contamination/effect.

Bests, Marco.

> Ciao,
> Luciano
>
>
>
> Il 2025-07-22 00:31 Marco Contalbrigo via Clas12_rgh ha scritto:
>>  Dear all,
>>  the draft of the slides for the PAC discussion is available
>>  here:
>>
>>  https://urldefense.proofpoint.com/v2/url?u=https-3A__www.fe.infn.it_-7Emcontalb_JLAB12_TALKs_PAC53_rgh-5F250723.pdf&d=DwIBAg&c=CJqEzB1piLOyyvZjb8YUQw&r=QWa4FYrGl2z7tyOHBIYcegdYaNKy_NApZOlUL0J3DAI&m=GlJ26VQCz8XVifcfQNYHRGWOHngKo12B4F7QQnvpN9rzQZOW7g5_22Ev9FauyAkz&s=MlnAGAMiNhyvqGhUg-xaV3CiBczMqOFe0hfm_8sQwvQ&e=
>>
>>  I will keep it updated following your comments
>>  and suggestions.
>>
>>  Bests, Marco.
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>
>