Speaker
Michela Neroni
(European Organization for Nuclear Research)
Description
Recent measurements of the Loss of Landau Damping threshold in the Large Hadron Collider (LHC) suggest that the current beam-coupling impedance model may underestimate the total longitudinal contribution. The measurements also indicate a lower cut-off frequency of the effective impedance. In preparation for the High-Luminosity LHC (HL-LHC) upgrade, a refined longitudinal impedance model is being developed by incorporating previously neglected broadband sources, such as injection kickers and vacuum components. The updated model provides a more accurate broadband impedance representation and new insights into the effective cut-off frequency, both essential for predicting beam stability limitations in the HL-LHC era.
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Author
Michela Neroni
(European Organization for Nuclear Research)
Co-authors
Chiara Antuono
(European Organization for Nuclear Research)
Rama Calaga
(European Organization for Nuclear Research)
Ivan Karpov
(European Organization for Nuclear Research)
Nicolas Mounet
(European Organization for Nuclear Research)
Hermann Pommerenke
(European Organization for Nuclear Research)
Benoit Salvant
(European Organization for Nuclear Research)
Helga Timko
(European Organization for Nuclear Research)
Christine Vollinger
(European Organization for Nuclear Research)
Michail Zampetakis
(European Organization for Nuclear Research)
Carlo Zannini
(European Organization for Nuclear Research)