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Technical Advisory Board Ganil 2015. F. Chautard GANIL-Caen.

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technical advisory board ganil 2015
Technical Advisory Board Ganil 2015

F. Chautard

GANIL-Caen

Sytze Brandenburg (KVI), Frédéric Chautard (chair, GANIL), Antoine Daël (SACLAY), Bernard Launé (IPNO), Olivier Laurent (GANIL), Jerry Nolen (ARGONNE), Eric Petit (SP2/GANIL), Josiane Sauret (GANIL), Thierry Stora (CERN), Mauritzio Vretenar (CERN)

Will provide advice on the technical implications, including radio-protection and safety, of the future physics requirements and the possible large-scale maintenance needed.

introduction
Two meetings and active participation of the members;

Version 1 of the cluster reports taken into account;

About 60 points of interest « extracted »

The table has been sent to physicists to be complete and corrected

Great creativity of the physicists;

Not all synthesis tables were filled in by the cluster groups;

Poor relevant informations from safety point of view;

Beam descriptions uncompleted (A, I, W ranges);

Already Version 2 of the reports;

INTRODUCTION
main proposals
Main proposals

SISSI

LISE:

  • A mass spectrometer would be useful behind LISE3 or LISE2000 if not Sissi

SPEG:

  • if SISSI is not replaced, use the CLIM target / LISE separator ensemble to produce and separate the fragmented beams and place SPEG behind LISE.
  • To have fragmented beams in SPEG, the most viable solution is to repair SISSI.

INDRA …

main proposals1
Main proposals

Alpha optics evolution

LISE:

  • New alpha separator

SPEG:

  • A larger beamline rigidity of the SISSI-ALPHA
  • improve the ensemble SISSI-ALPHA in terms of acceptance
main proposals2
Main proposals

Ganil Test Source

VAMOS:

  • Increase of the intensity of the heavy beams Pb, U up to 20 pnA

SPEG:

  • Larger beam intensity

CIRIL, ARIBE:

  • GTS type sources on the C0 platforms will be interesting, for a small part of the users, to have higher energies and current for heavy ions in the CSS1 energy range.

SPIRAL1, SIRA

  • Replace the existing C01 ion source.
main proposals3
Main proposals

Selective ion sources

SPEG:

  • To avoid problems related to radioactivity, it is essential that the beams be as isotopically pure as possible, in principle already before injection in the CIME cyclotron

SPIRAL1, SIRA:

  • Improvement of beam purity
main proposals4
Main proposals

Ion source developments

SPIRAL1, SIRA:

  • The development of Alkali beams 1+N+ compact ion source
  • New beams: 11Li, Al, Si, 26P, 27S, 44Ti, 56Ni, 68Se, 72Kr …
  • In my opinion the continuation of SPIRAL1 does not make much sense unless effort is devoted to the development of new beam species.

LIRAT

  • More species should be authorized to be driven in the LIRAT line (Presently only 4 beams are authorized 6He, 19Ne, 32Ar and 35Ar).
main proposals5
Main proposals

New cave

SPIRAL1, SIRA:

  • A requirement of another cave for the study of new beams will be very important (not SIRa) requirements
  • Using the intense 12C beam from GANIL, the fragmentation of various target materials would considerably extend the scope of SPIRAL1 and in some cases also boost intensities

EXOGAM

  • Development : Use with post-accelerated beam from CIME (fission fragments and other beams-other targets)

SPIRAL2 ?

conclusions
Conclusions

Already Ongoing Projects:

  • SISSI2
  • The development of Alkali beams 1+N
  • Study of high power target 3kW for other beams (36S , 40Ar, 20Ne)
  • fusion-evaporation: Pd foil in the SPIRAL 1 ECS and the usual thick 12C target as catcher of the direct beam.

To be evaluated before starting a project:

  • Ion source developments
  • GTS integration in GANIL injector
  • Better time resolution without decrease of the beam intensity.
  • pulse suppressor
  • Deporting the chopper after the SME
  • New cave
  • New or improved alpha spectrometer
  • Re-injection in SSC
  • Direct line G1/G2
conclusions1
Conclusions
  • The TAB group found a great number of interesting ideas. May be yet too many to give clear answers.
  • the needs have to be stated more clearly, which should be done by a more intense collaboration between the clusters and the TAB.
  • Machine maintenance status around 2015
  • To ease TAB work :
    • Fill the synthesis table in or complete the TAB table
    • For new beams fill in the proposed table below

Ready for

a more intense collaboration