[FFA_CEBAF_Collab] [EXTERNAL] RE: FFA at CEBAF WG mtg. this Friday, June 24 at 11:00 am

[Brooks, Stephen]

Scott,

Sometimes they seem to want a continuously-tunable energy range (although how much of the continuum is still being quantified), which I suggested accomplishing by a combination of selecting different turns and reducing the linac energy.  e.g. in last year's baseline I had 925-1090MeV linac energy range.

There's also the question of how practical a 1200MeV linac upgrade is.

     -Stephen

________________________________________
From: FFA_CEBAF_Collab <ffa_cebaf_collab-bounces at jlab.org> on behalf of Berg, J Scott via FFA_CEBAF_Collab <ffa_cebaf_collab at jlab.org>
Sent: 27 June 2022 08:29
To: ffa_cebaf_collab at jlab.org
Subject: [FFA_CEBAF_Collab] [EXTERNAL] RE:  FFA at CEBAF WG mtg. this Friday, June 24 at 11:00 am

I’m afraid I missed the meeting last week. A couple thoughts on the notes and subsequent discussions:

  *   Would we not satisfy the tunability requirements by just selecting different extraction turns? Doing so would probably (?) require a physical manipulation, so would that be too slow? I suppose I could imagine extraction dipoles in the splitter lines, but that would be dependent on having space for it.
  *   You may find that optimizing for magnet cost is as good or better than optimizing for radiation. When I went through the exercise for the eRHIC design, there was virtually no radiation penalty for a cost-optimal design, but the fractional cost penalty for a radiation-optimized design was much higher.
-Scott

From: FFA_CEBAF_Collab <ffa_cebaf_collab-bounces at jlab.org> On Behalf Of Ryan Bodenstein via FFA_CEBAF_Collab
Sent: Friday, June 24, 2022 12:10 PM
To: Alex Bogacz <bogacz at jlab.org>
Cc: ffa_cebaf_collab at jlab.org; Douglas Higinbotham <doug at jlab.org>
Subject: Re: [FFA_CEBAF_Collab] FFA at CEBAF WG mtg. this Friday, June 24 at 11:00 am

Hello colleagues!

Thanks for an exciting meeting. I think we can all look forward to what will grow out of this exchange. You’ll find the minutes attached to this email, as well as uploaded to the shared folder.

Have a great weekend, and we’ll talk again next week.

Cheers!
Ryan

From: FFA_CEBAF_Collab <ffa_cebaf_collab-bounces at jlab.org<mailto:ffa_cebaf_collab-bounces at jlab.org>> on behalf of Alex Bogacz via FFA_CEBAF_Collab <ffa_cebaf_collab at jlab.org<mailto:ffa_cebaf_collab at jlab.org>>
Date: Monday, June 20, 2022 at 6:30 PM
To: Alex Bogacz <bogacz at jlab.org<mailto:bogacz at jlab.org>>
Cc: ffa_cebaf_collab at jlab.org<mailto:ffa_cebaf_collab at jlab.org> <ffa_cebaf_collab at jlab.org<mailto:ffa_cebaf_collab at jlab.org>>
Subject: [FFA_CEBAF_Collab] FFA at CEBAF WG mtg. this Friday, June 24 at 11:00 am

Dear Colleagues,
We will resume our design efforts on Friday, June 24 at 11:00 am.
*  Synchrotron Radiation calculation  –  Dejan
*  IPAC’22 impressions  – Stephen and Ryan
*  AOB – All
Please, follow a ZOOM invitation below.
Cheers,
Alex
 ___________________________________
S. Alex Bogacz,
Accelerator Physics Group Leader
Center for Advanced Studies of Accelerators
Jefferson Lab
12000 Jefferson Avenue,<x-apple-data-detectors://8>


ZOOM connection:

The link is here: https://urldefense.proofpoint.com/v2/url?u=https-3A__jlab-2Dorg.zoomgov.com_j_1614898082-3Fpwd-3DTnUzMS81M2sxbDZIbERJU01tYkJCQT09&d=DwIF-g&c=CJqEzB1piLOyyvZjb8YUQw&r=Ogg4WFNBwvADBq3fkmCLiJ7SaRDPYtawHzJElJMB0jE&m=BEaUHaR03Nc5Va4_q6nxjIPnTacXMH3wwDfeVyVcsIhPy4SzrtnYxaOKlDxBLyqb&s=bl1ck9TAmK65h_p3tFUigFMumNVst4-7gH1KVJ4x_70&e= <https://urldefense.com/v3/__https:/jlab-org.zoomgov.com/j/1614898082?pwd=TnUzMS81M2sxbDZIbERJU01tYkJCQT09__;!!P4SdNyxKAPE!FsulhZiUSBpqsUjA6nTqXeYSTDuDkorN5VJDc2A5lsNNr7MAMK0dHmlaj4rC4PtpsvieA_XNr0oiyp7H50r100BK8Q$>

In case of problems, the zoom room is below:
Meeting ID: 161 489 8082
Passcode: 123456


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