Keyword: accelerating-gradient
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WEA3I1 Synchronous Phases and Transit Time Factor cavity, linac, focusing, acceleration 241
 
  • J.-M. Lagniel
    GANIL, Caen, France
 
  Synchronous phases (¿s) and transit time factors (T) are THE key parameters for linac designs and operations. While the couple (¿s, T) is still our way of thinking the longitudinal beam dynamics, it is important to have in mind that the original ¿Panofsky¿ definition of these parameters is no longer valid in the case of high accelerating gradients leading to high particle velocity changes and in the case of multi-gap cavities. In this case, a new (¿s, T) definition allowing to keep both acceleration and longitudinal focusing properties is proposed. Examples are given in the SPIRAL2 linac case.  
slides icon Slides WEA3I1 [2.369 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-HB2023-WEA3I1  
About • Received ※ 27 September 2023 — Revised ※ 12 October 2023 — Accepted ※ 13 October 2023 — Issued ※ 17 October 2023
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