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Beam coupling impedance considerations on the PSB pumping ports of the new H- injection region

Beam coupling impedance considerations on the PSB pumping ports of the new H- injection region. C. Zannini and G. Rumolo Thanks to: E. Benedetto, M. Garlasche, J. Hansen, E. M é tral , B . Riffaud, B. Salvant, W. Weterings, L. Zuccalli. Impedance of pumping ports.

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Beam coupling impedance considerations on the PSB pumping ports of the new H- injection region

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  1. Beam coupling impedance considerations on the PSB pumping ports of the new H- injection region C. Zannini and G. Rumolo Thanks to: E. Benedetto, M. Garlasche, J. Hansen, E. Métral, B. Riffaud, B. Salvant, W. Weterings, L. Zuccalli

  2. Impedance of pumping ports

  3. Impedance of pumping ports

  4. Impedance of pumping ports

  5. Longitudinal impedance well above the PSB beam spectrum

  6. Longitudinal impedance well above the PSB beam spectrum

  7. Transverse impedance well above the PSB beam spectrum

  8. Transverse impedance The effective vertical impedance for 1 pumping port is expected to be well below 0.01% of the total PSB broadband impedance

  9. Summary Obviously, a proper shielding can only be beneficial in terms of impedance, although no special issues from the beam coupling impedance point of view are expected even without shielding.

  10. Thank you for your attention

  11. Appendix

  12. PSB beam spectrum at extraction

  13. PSB beam spectrum at extraction

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