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SB2009 Triage Summary 20091210A

SB2009 Triage Summary 20091210A. N.Toge. CFS (1). Safety study materials - quote the uris for existing work reports, add a short paragraph. No separate appendix (Vic K).

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SB2009 Triage Summary 20091210A

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  1. SB2009Triage Summary20091210A N.Toge SB2009 Triage 20091210A

  2. CFS (1) • Safety study materials - quote the uris for existing work reports, add a short paragraph. No separate appendix (Vic K). • Safety table summary - Find out what we can do more ... also, spell checking necessary! (Vic K + NKT) Touch-up Semi done as of 20091203A (need URIs, however) … THIS IS STILL PENDING! • Tunnel diameters to quote for the systems other than MLs (to go with the figs) - Look like some entries for EU and AS have to remain blank, since no quotable work exists for the central region: Explain that that is the situation and that they will be addressed during TDP2. done • Installation aspect - no presentable work being done. Responsible group not in existence. Just state that we will address this in TDP2. (Need concurrence by PMs) Text touch-up done • 3D stuff - Shall we say, in a more visible way, that the work is in progress?  Text touch-up done SB2009 Triage 20091210A

  3. CF/S (2) • Have to say a few words about the necessity of the regional variations and how we'd maintain them during TDP2, in a "to do in TDP2" section.  Text touch-up done • ML length issue remains is dealt with in exact the same way as RDR (such as blank tunnel space for energy reserve ML HW which is not going to be initially installed), except NKT to chew on MCR, fix Layout, quote Layout from CFS… THIS IS STILL PENDING! • additional length for undulator energy loss • additional length for QWT energy loss • additional length for bunch timing matching (416m which was missing in RDR). PMs to create lines to this effect, we quote this same text in the Layout and CFS sections. • Missing URI for ref to quote on the heat load done SB2009 Triage 20091210A

  4. Electron System • No discussion • NKT/MCR to chew on AB on some remaining details … THIS IS STILL PENDING!! SB2009 Triage 20091210A

  5. Positron System • Quote the ref for Kubo's work (presented at Alburquerque) on the ML operability issue of alternate pulsing at low Ecm operation (Jim C). • Mention that propagation of the beam emittance thru the undulator (besides energy spread) is a continued topic into TDP2 (Jim C). • Reconcile the BDS Beamlie figure and Posi Conceptual Diagram Deepa, JimC, Toge, ++ DISCUSSION DONE; Work to proceed is pending Jim C • - Somehow import the animation (or sth equivalent) of the alternatepulsing ,Also import the highlighteddiagram for the aux source.  NKT… THIS IS STILL PENDING SB2009 Triage 20091210A

  6. DRs • The fundamental conclusions for this section should be stressed, either in the beginning or at the end, i.e. • we think we are ok with the low-P with this ring. • we shall see how it goes with high-P (except more results next year) • "Hanging" illustrations at the end of the manuscript have to be integrated within the text. • Add a short text elaborating a bit on the kicker business (beam orbit stability req / feedback implementation / R&D) • All DONE. SB2009 Triage 20091210A

  7. RTML • Done SB2009 Triage 20091210A

  8. ML • a paragraph or two explaining for each of the following – • the 1.6ms pulse for low current option • the strategies for dealing with cavity performance variation. • the low energy operation where some portion of the ML would operate in zero-gradient or negative-gradient mode. •  CA draft DONE (12/10); MCR and NKT will figure out how to use this text in Overview / ML and apply the mods. This part is still PENDING SB2009 Triage 20091210A

  9. KCS • KCS shall present its implementation proposal with the bouncer modulators, and RDR-style power distribution WG systems; • The KCS section, the availability and CFS are presented with these assumptions. • However, Marx shall be mentioned as good possibilities to pursue into TDP2 (tunable WG is “in”). Work by CN is DONE • Insert a few lines concerning the implementation plans for the control electronics in the ML tunnels.  Work by CN is DONE • Give more discussion on LLRF. We are dealing with more aggravated issues related to signal latencies, bandwidth. Present a bit more specifics of the current thoughts on technical solution if not a complete design proposal. Work by CN/CA is DONE SB2009 Triage 20091210A

  10. DRFS • Add more remark on the adequacy of the klys lifetime while this thing is dealing with a fairly big average power, if not the peak power. • Sorting scheme and higher power klystron in case of dealing with high-grad cavs Work by Fukuda is DONE SB2009 Triage 20091210A

  11. BDS • Label the "matching section" in Fig 4.7.1 (Deepa). Clean up the text to go with that Fig (NKT).  Done, as of 20091203A • In consideration of the low Ecm operation with alternate ML pulsing, introduce one more beamline on the electron side to deal with high/low energy beams to do doglegs downstream of the undulator.  do this with word, not with fig. • (Partial) response from the GDE Physics Question Comm: --> tomorrow, following the report by BF, who indicates everything the "stability“ issue are reasonably answerable. Expect circulation of his preview later today/tonight.  Shall we forget this? • Part of the BDS line has to accommodate three / four beamlines. Extract corresponding tunnel cross-section views from CF/S drawing set and stick it into the Layout section (NKT). BDS will ref to it. JMP (text!!!) + NKT (illustration) /MCR • PMs have to determine how much spotlight we would give on the travelling forusing. SB2009 Triage 20091210A

  12. Cost • Complete the manuscript  WIP PHG • Implement part of the Cost summary in the Overview PMs SB2009 Triage 20091210A

  13. Layout • 2D cross sections of the central region  NKT JMP; Fig ready but NKT has not contacted JMP • Clarification of the ML length issues  PMs / NKT  JMP; PMs still at it • Comparison of RDR cartoon and SB2009 cartoon … make sure we clean it up with “correct” numbers.  Overview(do not use yellow!!!) Pending the bullet above (to do by NKT) SB2009 Triage 20091210A

  14. Still in ICU • Intro / Overview • Layout • SRF gradient • Availability • Risk Analysis • It would be highly helpful if a reasonably editable version of these sections become available by 7AM, Monday, 2009/12/7 JST. … This has only partially happened; still not completely out of ICU. SB2009 Triage 20091210A

  15. Finally, for All • Let us make sure that we clearly say the “pros / motivations” for the changes, besides “cons / issues” in the beginning of each section.We should not be over-selling, yet we do not have to be shy  All Individual Section Authors. PMs, NKT; Semi-done with Inj, DR, RTML. Leaving ML, BDS, CFS to be still looked at. SB2009 Triage 20091210A

  16. From now on • One more webex, next week, likely 2009/12/16 • Drop-dead date: Friday, 2009/12/18 SB2009 Triage 20091210A

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