Keyword: alignment
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MOPO124 Details of the Manufacturing Processes of the ESS-DTL Components DTL, coupling, vacuum, linac 260
 
  • P. Mereu, F. Borotto Dalla Vecchia, C. Mingioni, M. Nenni, R. Panero
    INFN-Torino, Torino, Italy
  • A. Battistello, P. Bottin, D. Conventi, L. Ferrari, F. Grespan, A. Pisent
    INFN/LNL, Legnaro (PD), Italy
  • A.G. Colombo
    INFN- Sez. di Padova, Padova, Italy
 
  The Drift Tube Linac (DTL) of the European Spallation Source (ESS) is designed to operate at 352.2MHz with a duty cycle of 4% (3 ms pulse length, 14 Hz repetition period) and will accelerate a proton beam of 62.5mA pulse peak current from 3.62 to 90 MeV. This paper presents the details of the manufacturing processes with quality control reports of the components of the DTL.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2018-MOPO124  
About • paper received ※ 12 September 2018      issue date ※ 18 January 2019  
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TU1A01 Challenges in Superconducting Accelerating Module Design and Construction for High Power Proton Accelerators cryomodule, cavity, linac, vacuum 280
 
  • C. Madec
    CEA/DSM/IRFU, France
 
  CEA is engaged in the construction of the IFMIF, SARAF and ESS superconducting linacs and in particular in the design and production of a their accelerating cryomodules: 1 low-beta half-wave 176 MHz resonators for IFMIF, 4 low-beta half-wave 176 MHz resonators for SARAF and 30 medium and high-beta elliptical cavity resonators for ESS. The developments of these RF cryomodules, although at various stages, are led in parallel by the cryomodule team at CEA-Saclay, including all RF, mechanical, thermal, cryogenic, integration and QA-QC aspects in a global approach which attempts to optimise synergies and lessons learnt between these projects. A status report will be presented describing the common approaches and methods, and the systemic particularities of each project.  
slides icon Slides TU1A01 [11.896 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2018-TU1A01  
About • paper received ※ 14 September 2018      issue date ※ 18 January 2019  
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THPO036 Error Study of CPHS DTL after Assembly DTL, rfq, emittance, linac 763
 
  • P.F. Ma, C.T. Du, X. Guan, Q.K. Guo, Y. Lei, R. Tang, X.W. Wang, Q.Z. Xing, S.X. Zheng
    TUB, Beijing, People’s Republic of China
  • B.C. Wang
    NINT, Shannxi, People’s Republic of China
 
  The Compact Pulsed Hadron Source (CPHS) at Tsinghua University is one multi-purpose pulsed neutron source. The injector of the CPHS is a linac, which mainly consists of a source, a low-energy beam transport line (LEBT), a radio frequency quadrupole (RFQ) and a drift tube linac (DTL). The error study of the DTL for CPHS is presented in this paper. The error study can provide the field tolerances in the DTL cavity and the alignment tolerance between the RFQ and DTL.  
poster icon Poster THPO036 [2.645 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2018-THPO036  
About • paper received ※ 06 September 2018      issue date ※ 18 January 2019  
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THPO045 Tuning Esperience on the ESS DTL Cold Model DTL, cavity, interface, resonance 784
 
  • F. Grespan, A. Baldo, P. Bottin, G.S. Mauro, A. Palmieri, A. Pisent
    INFN/LNL, Legnaro (PD), Italy
  • P. Mereu, M. Mezzano
    INFN-Torino, Torino, Italy
 
  An aluminum model of the ESS DTL tank 2 has been delivered to INFN-LNL in december 2017. The tank is 7.1 m long, equipped with movable tuners and movable post couplers. The purpose of this DTL model is to verify the RF design choices (in particular on the first 2 tanks where the Post coupler distribution is irregular) as well as implement and debug algorithms and procedure for stabilization and tuning. The preparatory simulation work and the results of measurements campaign are here presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2018-THPO045  
About • paper received ※ 12 September 2018      issue date ※ 18 January 2019  
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