E-rhic-ir-l mailing list

["Hetzel, Charles" <chetzel AT bnl.gov>]

yea, thanks!

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From: E-rhic-ir-l <e-rhic-ir-l-bounces AT lists.bnl.gov> on behalf of Aschenauer Elke-Caroline via E-rhic-ir-l <e-rhic-ir-l AT lists.bnl.gov>
Sent: Wednesday, June 30, 2021 11:47 PM
To: E-rhic-ir-l AT lists.bnl.gov <E-rhic-ir-l AT lists.bnl.gov>
Subject: [E-rhic-ir-l] new plot of IP-6 with the correct view point.

 

Dear All,

we have been all struggling with the perspective of the old IP-6 plot (CDR figure 1.3) as it is from the ring inside to the outside laying on your back.

Thanks to Jarda’s and Zhengqiao’s help, I can attach a new plot, which is has a view of the IR from the ring outside to the inside and from the top. 

The coordinate system is right handed and uses  +z in hadron beam direction, +x to the ring inside and +y to the top. This is also consistent with the lattice plots Holger showed last Friday on page 5 and 6 in his presentation https://brookhavenlab.sharepoint.com/:b:/s/eRHIC/bnl&slac/Ear7T4maSzFDiwOncRb6nfwB7oXAoiFRPRUjJKHBmd8i4g?e=MiStrr

As we updated Holger’s original script we can generate also plots with a larger +/- z coverage if needed.

It would be very nice we could from now on stick to this view and coordinate system as this is also what the EIC proto-collaborations will use 

and it is consistent with our overall EIC layout picture (CDR 1.1)

Cheers 

elke for the friends from physics

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