[FFA_CEBAF_Collab] [EXTERNAL] Re: FFA at CEBAF WG mtg. this Friday, October 10

Brooks, Stephen sbrooks at bnl.gov
Fri Oct 10 16:01:10 EDT 2025 

Here's slides of the 2017 NS-FFA experiment (pre-CBETA).  This one is even better in terms of experimental method.

https://urldefense.proofpoint.com/v2/url?u=https-3A__indico.bnl.gov_event_2764_contributions_7139_attachments_6401_7781_Brooks-5FATF-2DFFAG.pptx&d=DwIGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ogg4WFNBwvADBq3fkmCLiJ7SaRDPYtawHzJElJMB0jE&m=Ff7ssKL9UfDfGJBG_3bxxMHmVaUqiM_0BJWg9ZqyKeaRClX0K5SnUwdU8jYKPcxB&s=ouALpG2J8RkBsbJXEUO8_yxQWmnRohxOOBETmvuzbZs&e= 

     -Stephen

________________________________________
From: FFA_CEBAF_Collab <ffa_cebaf_collab-bounces at jlab.org> on behalf of Brooks, Stephen via FFA_CEBAF_Collab <ffa_cebaf_collab at jlab.org>
Sent: 10 October 2025 15:03
To: Alex Bogacz; Donish Khan
Cc: Alex Bogacz via FFA_CEBAF_Collab; N'Gotta, Patrick (PS)
Subject: [FFA_CEBAF_Collab] [EXTERNAL] Re:  FFA at CEBAF WG mtg. this Friday, October 10

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In these minutes,

"redo the arcs so that the tune is constant through the straight sections"

should be

"redo the arcs so that the total ring tune is constant (sum of straight section and arc phase advances)."

       -Stephen

________________________________________
From: FFA_CEBAF_Collab <ffa_cebaf_collab-bounces at jlab.org> on behalf of Donish Khan via FFA_CEBAF_Collab <ffa_cebaf_collab at jlab.org>
Sent: 10 October 2025 14:04
To: Alex Bogacz
Cc: Alex Bogacz via FFA_CEBAF_Collab; N'Gotta, Patrick (PS)
Subject: Re: [FFA_CEBAF_Collab] FFA at CEBAF WG mtg. this Friday, October 10

Hi All, Great discussion this week, attached are the meeting minutes and Stephen’s slides (there were more than 70!). Meeting minutes linked here: Sign in to your account jeffersonlab-my. sharepoint. com Stephen’s slides linked here: Sign in to
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Hi All,

Great discussion this week, attached are the meeting minutes and Stephen’s slides (there were more than 70!).

Meeting minutes linked here:

<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:b:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Minutes/FFA_at_CEBAF_Minutes_10_10_2025.pdf?csf=1&web=1&e=KiGxiI__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqg1GqrQI$  >
Sign in to your account<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:b:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Minutes/FFA_at_CEBAF_Minutes_10_10_2025.pdf?csf=1&web=1&e=KiGxiI__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqg1GqrQI$  >
jeffersonlab-my.sharepoint.com<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:b:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Minutes/FFA_at_CEBAF_Minutes_10_10_2025.pdf?csf=1&web=1&e=KiGxiI__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqg1GqrQI$  >
<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:b:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Minutes/FFA_at_CEBAF_Minutes_10_10_2025.pdf?csf=1&web=1&e=KiGxiI__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqg1GqrQI$  >
<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:b:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Minutes/FFA_at_CEBAF_Minutes_10_10_2025.pdf?csf=1&web=1&e=KiGxiI__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqg1GqrQI$  >
<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:b:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Minutes/FFA_at_CEBAF_Minutes_10_10_2025.pdf?csf=1&web=1&e=KiGxiI__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqg1GqrQI$  >

Stephen’s slides linked here:
<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:p:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Presentations/Brooks_Trbojevic_FFAfixedtuneProtonTherapy.pptx?d=wa0957f7c873f493fb28f95ea885cb702&csf=1&web=1&e=0I9pbe__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqM7OFtpM$  >
Sign in to your account<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:p:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Presentations/Brooks_Trbojevic_FFAfixedtuneProtonTherapy.pptx?d=wa0957f7c873f493fb28f95ea885cb702&csf=1&web=1&e=0I9pbe__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqM7OFtpM$  >
jeffersonlab-my.sharepoint.com<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:p:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Presentations/Brooks_Trbojevic_FFAfixedtuneProtonTherapy.pptx?d=wa0957f7c873f493fb28f95ea885cb702&csf=1&web=1&e=0I9pbe__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqM7OFtpM$  >
<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:p:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Presentations/Brooks_Trbojevic_FFAfixedtuneProtonTherapy.pptx?d=wa0957f7c873f493fb28f95ea885cb702&csf=1&web=1&e=0I9pbe__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqM7OFtpM$  >
<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:p:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Presentations/Brooks_Trbojevic_FFAfixedtuneProtonTherapy.pptx?d=wa0957f7c873f493fb28f95ea885cb702&csf=1&web=1&e=0I9pbe__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqM7OFtpM$  >
<https://urldefense.com/v3/__https://jeffersonlab-my.sharepoint.com/:p:/r/personal/tristan_jlab_org/Documents/Grad*20Student*202019/Graduate*20Student*20Steering/CEBAF*20FFA*20Working*20Group/Presentations/Brooks_Trbojevic_FFAfixedtuneProtonTherapy.pptx?d=wa0957f7c873f493fb28f95ea885cb702&csf=1&web=1&e=0I9pbe__;JSUlJSUlJQ!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqM7OFtpM$  >


Have a great weekend!
Donish










On Oct 6, 2025, at 5:19 PM, Alex Bogacz via FFA_CEBAF_Collab <ffa_cebaf_collab at jlab.org> wrote:


Dear Colleagues,

We will continue our design efforts this Friday, October 10, at 11:00 am.

  *   Test of multiple energy ion beams transported through a medical gantry (at NASA Space Radiation Facility) - Stephen
  *   Splitter magnet tolerance specs - Donish
  *   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


ZOOM connection:

The link is here: https://urldefense.proofpoint.com/v2/url?u=https-3A__jlab-2Dorg.zoomgov.com_j_1614898082-3Fpwd-3DTnUzMS81M2sxbDZIbERJU01tYkJCQT09&d=DwIGaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=Ogg4WFNBwvADBq3fkmCLiJ7SaRDPYtawHzJElJMB0jE&m=-sG8Gbzr9z7QUFaMzlYPgVEm6dTZSG94AsQER2N7nCqo0-zQmXqFl7SxTNNU82OL&s=0daWNDf-omKpk6itAcfbxPyE0PpgXTCjFwIhDrMbgg8&e=  <https://urldefense.com/v3/__https://jlab-org.zoomgov.com/j/1614898082?pwd=TnUzMS81M2sxbDZIbERJU01tYkJCQT09__;!!P4SdNyxKAPE!BnkxWHMyFOfOJQiYoDTy9VhrmX0LHy_YWDNiGRLpZpcbr79x2hYJ5TDk8tUQimm9ku-gExYvzKAm0rhA4NUqn-Lh22E$  >

In case of problems, the zoom room is below:

Meeting ID: 161 489 8082

Passcode: 123456

________________________












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