Author: Xu, W.
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WEPNEC04
 HOM Damping for High Current SRF Cavity  
 
  • W. Xu
    BNL, Upton, New York, USA
  
  Funding: * Work supported by LDRD program of Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. DOE.
High power HOM damper is a challenge for high current SRF accelerator. In the past few years, we developed two types of high power HOM damper: a novel rigid waveguide high power HOM damping scheme and a room temperature SiC beampipe absorbing scheme. This presentation will present the design and test results of these two HOM damping schemes. 		 
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FRCOWBS02
 Design and Commissioning Experience with State of the Art MPS for LEReC Accelerator  
 
  • S. Seletskiy, Z. Altinbas, D. Bruno, M.R. Costanzo, K.A. Drees, A.V. Fedotov, D.M. Gassner, X. Gu, L.R. Hammons, J. Hock, R.L. Hulsart, P. Inacker, J.P. Jamilkowski, D. Kayran, J. Kewisch, C. Liu, K. Mernick, T.A. Miller, M.G. Minty, M.C. Paniccia, W.E. Pekrul, I. Pinayev, V. Ptitsyn, T.C. Shrey, L. Smart, K.S. Smith, R. Than, P. Thieberger, J.E. Tuozzolo, W. Xu, Z. Zhao
    BNL, Upton, New York, USA
  
  The Low Energy RHIC Electron Cooler (LEReC), the world’s first electron cooler to employ an RF electron accelerator, has been recently fully commissioned. The LEReC is a high-current, high-brightness accelerator featuring ~100 m of beamline and is designed to operate with 1.6-2.6 MeV electron beams of up to 140 kW beam power. The LEReC requires a dedicated machine protection system (MPS) capable of interlocking electron beam within 40 us and is equipped with multiple levels of protection. In this paper we summarize our experience with designing, building, and operating the LEReC MPS.  
slides icon Slides FRCOWBS02 [2.031 MB]  
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