Minutes of the SPL working group (draft)

meeting no. 87

date: 9. September 2008

present: G. Bellodi (AB/BI), S. Calatroni (TS/MME), C. Carli (AB/ABP), F. Caspers (AB/RF), E. Ciapala (AB/RF), C. De Almeida Martins (AB/PO), M. Eshraqi (AB/ABP), R. Folch (TS/MME), R. Garoby (AB/BI), F. Gerigk (AB/RF), S. Lanzone (AB/ABP), R. Losito (AB/ATB), M. Paoluzzi (AB/RF), M. Poehler (TS/CE), C. Rossi (AB/RF), J. Tuckmantel (AB/RF), M. Vretenar (AB/RF), U. Wagner (AT/CRG), R. Wegner (AB/RF)

agenda

1. General news, report from LHeC workshop (Roland Garoby)
2. Summary of HB'08 workshop (Frank Gerigk)
3. Klystron modulators for the LP/HP-SPL (Carlos De Almeida Martins)
4. Ideas to recover the stored energy from SC cavities (Fritz Caspers)
5. next meeting
6. linked documents in EDMS

1. General news, report from LHeC workshop (Roland Garoby)

  • rate of SPL meetings: after a period, where the steering group worked on the frequency review it is now planned to raise again the frequency of the SPL study group meetings to approximately one per month,
  • publications: The paper on the the layout of the new LHC injectors is ready and publication is imminent. The report on the SPL frequency review is expected for the end of September.
  • collaborations: An agreement was signed with SNS, which should make it easier for people to visit the other institute. ESS-Sweden: for the beginning of 2009 2 people are expected at CERN, which are paid by ESS-S and who will be trained at CERN in topics related to high-power linacs. The two will start on beam dynamics and high-power RF. A meeting with ESS-Bilbao will take place tomorrow (minutes). Cockroft institute: no news yet. Canada: expressed a will to contribute to the LHC upgrade, and they are interested in SC cavity technology.
  • LHeC workshop: took place last week in Divonne. A follow-up workshop will take place in one years time. The idea is to continue the experimental work from DESY on electron/proton collisions, using protons/ions from LHC and electrons, which are supplied by a seperate accelerator. The favoured option seems to be to get the electrons from a linac, which might then be further accelerated by a ring machine (2nd stage). For this option one could use the high-energy part of the SPL as an electron re-circulator, providing a beam energy of ~20 GeV. The studies are still at the beginning, but could result in more interest and support for the SPL. It is clear that if this option has be foreseen, it will certainly increase the price tag of the initial SPL installations.
  • Linac14: there is an effort to attract the Linac14 conference to Geneva (or surrounding area).

2. Summary of HB'08 workshop (Frank Gerigk)

3. Klystron modulators for the LP/HP-SPL (Carlos De Almeida Martins)

4. Ideas to recover the stored energy from SC cavities (Fritz Caspers)

5. next meeting: 15th October 2008, 9:00 in 864-2-C30 (Salle J.B. Adams)

6. Linked Documents in EDMS

-- FrankGerigk - 18 Sep 2008

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