Author: Passarelli, D.
Paper Title Page
WEPML005 Testing of SSR1 Production Tuner for PIP-II 2681
 
  • J.P. Holzbauer, D. Passarelli, Y.M. Pischalnikov
    Fermilab, Batavia, Illinois, USA
  
  Funding: This manuscript has been authored by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the U.S. Department of Energy, Office of Science, Office of High Energy Physics.
The PIP-II project at Fermilab is a proton driver linac calling for the use of five different, novel cavity geometries. Prototyping at Fermilab is in the advanced stages for the low-beta single-spoke resonator (SSR1) and associated technologies. A production tuner design has been fabricated and tested, both warm and cold in the Spoke Test Cryostat (STC). This paper will present the detailed studies on this tuner, including slow motor/piezoelectric tuner range and hysteresis as well as dynamic mechanical system characterization. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-WEPML005  
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WEPML014 Tooling Systems for the Assembly and Integration of the SSR1 Cryomodule for PIP-II Project at Fermilab 2710
 
  • D. Passarelli, F. Di Ciocchis, M. Parise, V. Roger
    Fermilab, Batavia, Illinois, USA
  
  In this paper we present the assembly strategy and tooling design for the SSR1 cryomodule from the cavity string to the final module. Several challenging aspects were considered to minimize undesired stresses on critical components, to preserve the alignment of cavities and solenoids during final assembly, and ultimately to meet the technical requirements of the PIP-II project at Fermilab.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-WEPML014  
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WEPML015 Preparation and Qualification of Jacketed SSR1 Cavities for String Assembly at Fermilab 2714
 
  • D. Passarelli, P. Berrutti, S.K. Chandrasekaran, J.P. Ozelis, M. Parise, L. Ristori, A.M. Rowe, A.I. Sukhanov
    Fermilab, Batavia, Illinois, USA
  
  The qualification of dressed 325 MHz Single Spoke Resonators type 1 (SSR1) to meet technical requirements is an important milestone in the development of the SSR1 cryomodule for the PIP-II Project at Fermilab. This paper reports the procedures and lessons learned in processing and preparing these cavities for horizontal cold testing prior to integration into a cavity string assembly.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-WEPML015  
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WEPML019 Design Update of the SSR1 Cryomodule for PIP-II Project 2721
 
  • V. Roger, S. Cheban, T.H. Nicol, Y.O. Orlov, D. Passarelli, P. Vecchiolla
    Fermilab, Batavia, Illinois, USA
  
  This paper reports the design update of the Single Spoke Resonator 1 (SSR1) cryomodule developed in the framework of PIP-II project at Fermilab. The most re-cent design changes and results of calculations per-formed to optimize the vacuum vessel, current leads, piping system and thermal shield are described. Then the estimated heat loads of the cryomodule leading to the sizing of the cryogenic valves will be presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-WEPML019  
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