2023-05-26 - Science Team Meeting Notes

Date

26 May 2023

Text in the excerpt box will show up in lists of meetings.

Time	Item	Who	Notes
	Walk - in / out		KB mirrors. Asked Diling why XPP goes with transfocator, not KB pair. Per Diling: Much easier to change spot size based on XPP user requests Based on Diling's experience, our flexibility to change focus on demand is reduced. Long effort for changing focus in current implementation. This goes away from what David Fritz says. Diling has never seen this in practice. Diling not sold on the ease of changing focus with mirror bending. Worrisome that this is something that is possible in principle but worry about practice Achromaticity is a sure benefit KB implies a different path through the chamber than lenses. Experiments go als Also discussing beam path below grade and what control room we would use. MEC-U's current standpoint is the CDR plan or else using the space of TAO. Using the current MEC control room was a last resort concept. Note I link to the records of decision page here
	Technical updates		ELI Beamline photos from Eric, Dimitri and Meriame Discussion of stalled MEC-U UAP meeting Scope conversations Kai is asking engineers to refer to a facility not supporting the upgrades in CDR 11.2 not as "FES Base" but rather "FES minus explicitly designed upgrades" ("FES -EDU") Cavern space looks very constrained when considering beam delivery, dumping and access. Mikael Requirements transcription into Jama - needing help Considering a different mirror to put MEC below floor at final FEH location. Discussed this morning Very preliminary discussion

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