Magnets and other issues
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Magnets and Other issues. Elena Wildner WP4 meeting, CERN team. Present activities II. Visit to Krakow 4/1/ 2010, Epiphany 2010, International Physics Conference Disseminate our results http://epiphany.ifj.edu.pl/current/

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Magnets and Other issues

Elena Wildner

WP4 meeting, CERN team


Present activities II

  • Visit to Krakow 4/1/ 2010, Epiphany 2010, International Physics Conference

    • Disseminate our results http://epiphany.ifj.edu.pl/current/

    • Show importance of manpower support for ion production (Ne) to be able to present a realistic baseline for beta beams that, according to my understanding, is now emerging.

  • Visit to Legnaro 13/1 2010 (Venice airport)

    • EmanueleVardaci has extensive work to present in Paris (Li)

    • Enhance FLUKA for simulation of reaction in target

    • Boron experiments in India? Legnaro sets up the contact!


Present activities I

  • SPC-work finished (results will be available after Chamonix?)

  • Stability analysis of PS(2) and SPS for FP6 Baseline (PS, Christian does SPS), 5 months/machine

    • Consolidation FP6

    • Search for limits and improvements for FP7

  • Stripping after ion source (emmittance, particle loss)

    • Methods

    • EXCEL sheet, FLUKA, Geant4??

    • Charge states to be discussed in Paris

  • Magnet specification for the decay ring improvement

    • Interactions with TE/MCS and CEA

    • Decay Ring redesign


Superconducting Magnets

  • Specify for main Dipole and Quadrupole

    • Magnet Field and Gradient

    • Magnet Length

    • Apertures

    • Liner thickness for dipole (not open midplane)

    • Magnet cross section for the FLUKA model

  • Optics dependent

    • Collaboration with CEA


Choice of magnets (Antoine is calculating optics)

  • Main Dipole (will certainly decrease duty-factor by some 10 %)

    • Max 5 m for Nb3Sn

    • 160 mm total aperture, one bore

    • 12 T, Nb3Sn

    • Liner 10 mm

    • Yoke diameter ?

    • Magnet cross section: simplify, use LHC cable

  • Quad

    • 1 m long? Good to shorten!


New efforts to increase intensity

  • Injection and merging

    • More merges (30 ?)

    • Increase RF

    • Change injection energy

    • Displace injected beam

  • Other options not realistic?

    • Change bunch length for B and Li in SPS?

    • We need some time to see if smart solutions exist

  • Proposal, Rubbia et al.

    • How was the intensity issue addressed?


Intensity/Number of merges

Courtesy A. Chance


Intensity/Number of Merges (ref)

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Beam Size

Courtesy A. Chance


Courtesy A. Chance


Rf Voltage

Courtesy A. Chance


Dutyfactor

Courtesy A. Chance


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