Author: Xu, W.
Paper Title Page
WEIACC003 ER@CEBAF, a 7 Gev, 5-Pass, Energy Recovery Experiment 58
  • F. Méot, I. Ben-Zvi, Y. Hao, C. Liu, M.G. Minty, V. Ptitsyn, G. Robert-Demolaize, T. Roser, P. Thieberger, N. Tsoupas, C. Xu, W. Xu
    BNL, Upton, Long Island, New York, USA
  • M.E. Bevins, S.A. Bogacz, D. Douglas, C.J. Dubbé, T.J. Michalski, Y. Roblin, T. Satogata, M. Spata, C. Tennant, M.G. Tiefenback
    JLab, Newport News, Virginia, USA
  Funding: Work supported by Brookhaven Science Associates, LLC under Contract DE-AC02-98CH10886 with the U.S. DOE, Jefferson Science Associates, LLC under Contract DE-AC05-06OR23177 with the U.S. DOE.
A multiple-pass, high energy Energy Recovery Linac experiment at the JLab CEBAF will be instrumental in providing necessary information and technology testing for a number of possible future applications and facilities such as Linac-Ring based colliders, which have been designed at BNL (eRHIC) and CERN (LHeC), and also drivers for high-energy FELs and 4th GLS. The project has been submitted to, and has received approval from, JLab Program Advisory Committee (PAC 44) in July 2016. Since it was launched 2+ years ago, it has progressed in defining the experimental goals, including for instance multiple-beam instrumentation, ER efficiency, BBU, and the necessary modifications to CEBAF lattice, including for instance a 4-dipole phase chicane in recirculation Arc A, a dump line, and new linac optics. End-to-end simulations have been undertaken and software tools are under development. A next major objective in demonstrating readiness is a technical review as mandated by PAC 44. This paper gives a status of the project and its context, and presents plans for the near future.
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High Charge High Current Beam From BNL 113 MHz SRF Gun  
  • I. Pinayev, Z. Altinbas, S.A. Belomestnykh, I. Ben-Zvi, K.A. Brown, J.C.B. Brutus, A.J. Curcio, L. DeSanto, A. Di Lieto, C. Folz, D.M. Gassner, M. Harvey, T. Hayes, R.L. Hulsart, P. Inacker, J.P. Jamilkowski, Y.C. Jing, D. Kayran, R. Kellermann, R.F. Lambiase, D. Lehn, V. Litvinenko, C. Liu, G.J. Mahler, M. Mapes, K. Mernick, R.J. Michnoff, T.A. Miller, M.G. Minty, G. Narayan, P. Orfin, M.C. Paniccia, D. Phillips, T. Rao, T. Roser, S.K. Seberg, B. Sheehy, J. Skaritka, L. Smart, K.S. Smith, V. Soria, Z. Sorrell, R. Than, C. Theisen, P. Thieberger, J.E. Tuozzolo, J. Walsh, E. Wang, G. Wang, D. Weiss, B. P. Xiao, T. Xin, W. Xu, A. Zaltsman, Z. Zhao
    BNL, Upton, Long Island, New York, USA
  • K. Mihara
    Stony Brook University, Stony Brook, USA
  • I. Petrushina
    SUNY SB, Stony Brook, New York, USA
  • K. Shih
    SBU, Stony Brook, New York, USA
  Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy.
We are commissioning the accelerator for the Coherent Electron Cooling Proof-of-principle (CeC PoP) Experiment. The 113 MHz superconducting RF gun with Cs2KSb photocathode serves as a source of the electrons. The gun is designed to operate up to 5 nC beam with repetition rate of 78 kHz. In the paper we present status of the gun as well as achieved beam parameters. The photocathode performance (quantum efficieny, lifetime) is also discussed.
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