Changes between Version 2 and Version 3 of Research/LhARA/DesignAndIntegration/Meetings/2025/2025-10-13


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Timestamp:
Oct 13, 2025, 12:16:46 PM (7 days ago)
Author:
wshields
Comment:

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  • Research/LhARA/DesignAndIntegration/Meetings/2025/2025-10-13

    v2 v3  
    1616        * JP - readdress dispersion issue in stage 1 arc. Track large amplitude particle but hard edged model. Investigate need for sextupoles. Beamoptics.
    1717* AOB
    18         * JP: CDR. Pg 8, five cavities is not correct. Eqn 2.1 units are not correct, should be mass & not energy. Beta0 equation wrong. Gabor lens injector for lens 1 & 2 is downstream, not upstream. Wien filter for velocity selection. Eqn 2.9 should be sigma p, text changed to momentum. Stage 2 operation beam aperture is fine, better reason is emittance issue. Markus ion chamber volume times 10^-8,
     18        * JP: CDR. Pg 8, five cavities is not correct. Eqn 2.1 units are not correct, should be mass & not energy. Beta0 equation wrong. Gabor lens injector for lens 1 & 2 is downstream, not upstream. Wien filter for velocity selection. Eqn 2.9 should be sigma p, text changed to momentum. Stage 2 operation beam aperture is fine, better reason is emittance issue. Markus ion chamber volume times 10^-8, Fig. 21.6 replot with right axis for dispersion. 32. Remove emittance of ϵx,y = 99 m from page 35. 2.14 table to be removed, repaeting 2.12. Stage 2 dose estimation β= p/E, where p and E. The design of the FFA magnet requires the kicker magnet to bend the beam by 90◦, such a magnet is feasible is wrong.
     19
     20Future studies will seek to reduce the required kicker-magnet bending angle by investigating alternative configurations of the injection line and locations for the injection septum.
     21Table. 12.