Author: Pathak, A.
Paper Title Page
MOPA36 Optimization of Superconducting Linac for Proton Improvement Plan-II (PIP-II) 132
 
  • A. Pathak, E. Pozdeyev
    Fermilab, Batavia, Illinois, USA
  
  PIP-II is an es­sen­tial up­grade of the Fer­mi­lab com­plex that will en­able the world’s most in­tense high-en­ergy beam of neu­tri­nos for the in­ter­na­tional Deep Un­der­ground Neu­trino Ex­per­i­ment at LBNF and sup­port a broad physics pro­gram at Fer­mi­lab. Ul­ti­mately, the PIP-II su­per­con­duct­ing linac will be ca­pa­ble of ac­cel­er­at­ing the H− CW beam to 800 MeV with an av­er­age power of 1.6 MW. To op­er­ate the linac with such high power, beam losses and beam emit­tance growth must be tightly con­trolled. In this paper, we pre­sent the re­sults of global op­ti­miza­tion of the Linac op­tions to­wards a ro­bust and ef­fi­cient physics de­sign for the su­per­con­duct­ing sec­tion of the PIP-II linac. We also in­ves­ti­gate the im­pact of the non­lin­ear field of the di­pole cor­rec­tors on the beam qual­ity and de­rive the re­quire­ment on the field qual­ity using sta­tis­ti­cal analy­sis. Fi­nally, we as­sess the need to cor­rect the quadru­pole fo­cus­ing pro­duced by Half Wave, and Sin­gle Spoke ac­cel­er­at­ing cav­i­ties. We as­sess the fea­si­bil­ity of con­trol­ling the beam cou­pling in the ma­chine by chang­ing the po­lar­ity of the field of Linac fo­cus­ing so­le­noids  
DOI • reference for this paper ※ doi:10.18429/JACoW-NAPAC2022-MOPA36  
About • Received ※ 02 August 2022 — Revised ※ 04 August 2022 — Accepted ※ 10 August 2022 — Issue date ※ 01 October 2022
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