E-rhic-ir-l mailing list

[Aschenauer Elke-Caroline <elke AT bnl.gov>]

Hi Hi,

this is important that the "friends of physics" really understand in detail where we stand on this becuase this can have a really major impact on our physics

Cheers elke

On Feb 19, 2021, at 12:10, Berg, J Scott via E-rhic-ir-l <e-rhic-ir-l AT lists.bnl.gov> wrote:

I think his compensation scheme has evolved significantly since then, this is probably the most significant issue to be dealt with from the lattice end. There are issues here with requiring magnets that we haven't planned for at this point, in particular having an additional solenoid field near the IR.

-Scott

-----Original Message-----
From: E-rhic-ir-l <e-rhic-ir-l-bounces AT lists.bnl.gov> On Behalf Of
Alexander Kiselev via E-rhic-ir-l
Sent: Friday, February 19, 2021 11:51 AM
To: e-rhic-ir-l AT lists.bnl.gov
Subject: [E-rhic-ir-l] EIC IR Maturity Conversation @ the IR Meeting

  Hello colleagues,

  in his talk during the crossing-angle-related meeting last October

https://indico.bnl.gov/event/9887/contributions/42722/attachments/30931/486
65/EIC_Ion_Sol_Comp_21oct20.pptx

Vasiliy reminded us that in the presently implemented solenoid
compensation scheme the vertical excursion of the hadron beam is
substantial, and (somewhat unfortunately) it results in a non-zero
vertical momentum component at the IP. Ideally, we do not want this.

  I believe Vasiliy said that the compensation can be implemented
differently, with the P_y(IP) = 0 condition observed. Can we add
a discussion around this matter to the agenda?

  Regards,
    Alexander.





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