[Erd108] Additional simulation request

[Kondo Gnanvo]

Hi Sourav,
The spatial resolution was already irrelevant even before considering the CF material if i remember well from past studies.
I don’t remember a simulation study that ever show any impact of MPGD resolution on the angular resolution at the DIRC level
Best regards
Kondo

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________________________________
From: Erd108 <erd108-bounces at jlab.org> on behalf of Sourav Tarafdar <stara at jlab.org>
Sent: Wednesday, July 17, 2024 10:11:36 AM
To: Gnanvo, Kondo (kg6cq) <kg6cq at virginia.edu>; erd108 at jlab.org <erd108 at jlab.org>; Shyam Kumar <shyam055119 at gmail.com>
Subject: Re: [Erd108] Additional simulation request

Hi Kondo,

I thought it was 3% Carbon fiber support structure causing multiple scattering which was basically making spatial resolution of MPGD irrelevant ?

Regards,
Sourav
________________________________
From: Gnanvo, Kondo (kg6cq) <kg6cq at virginia.edu>
Sent: Wednesday, July 17, 2024 10:07 AM
To: Sourav Tarafdar <stara at jlab.org>; erd108 at jlab.org <erd108 at jlab.org>; Shyam Kumar <shyam055119 at gmail.com>
Subject: [EXTERNAL] RE: Additional simulation request


Hi Sourav,

It looks like the material budget already the dominant parameter for the angular resolution study at the DIRC level so it seems very unlikely that there would be any difference between 1% and 5% for the TOF layer

Best regards

Kondo



From: Erd108 <erd108-bounces at jlab.org> On Behalf Of Sourav Tarafdar
Sent: Wednesday, July 17, 2024 9:55 AM
To: erd108 at jlab.org; Shyam Kumar <shyam055119 at gmail.com>
Subject: [Erd108] Additional simulation request



Dear all ,



The request is mostly directed towards Matt and Shyam. I am wondering if it is possible to quickly do additional study on angular resolution @ DIRC location by increasing the material budget of barrel ToF from current 1.0% to 5.0% ? There has been chatter about increasing the material budget of ToF to 5.0% and before it takes a lead it will be good to know it's effect . Based on results shown in the Monday meeting I suppose it will further deteriorate angular resolution at DIRC. Also considering Shyam's method I think the analytical simulation method by Shyam will be good enough if DD4HEP sim is time taking.



Cheers,

Sourav
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