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Yip, K.

Paper Title Page
MOPC057 R&D Energy Recovery Linac at Brookhaven National Laboratory 193
 
  • V. Litvinenko, D. Beavis, I. Ben-Zvi, M. Blaskiewicz, A. Burrill, R. Calaga, P. Cameron, X. Chang, K. A. Drees, G. Ganetis, D. M. Gassner, H. Hahn, L. R. Hammons, A. Hershcovitch, H.-C. Hseuh, A. K. Jain, A. Kayran, J. Kewisch, R. F. Lambiase, D. L. Lederle, G. J. Mahler, G. T. McIntyre, W. Meng, T. C. Nehring, B. Oerter, C. Pai, D. Pate, D. Phillips, E. Pozdeyev, T. Rao, J. Reich, T. Roser, T. Russo, K. Smith, J. E. Tuozzolo, D. Weiss, N. Williams, K. Yip, A. Zaltsman
    BNL, Upton, Long Island, New York
  • H. Bluem, M. D. Cole, A. J. Favale, D. Holmes, J. Rathke, T. Schultheiss
    AES, Medford, NY
  • J. R. Delayen, L. W. Funk, H. L. Phillips, J. P. Preble
    Jefferson Lab, Newport News, Virginia
 
  Collider Accelerator Department at BNL is in the final stages of developing the 20-MeV R&D energy recovery linac with super-conducting 2.5 MeV RF gun and single-mode super-conducting 5-cell RF linac. This unique facility aims to address many outstanding questions relevant for high current (up to 0.5 A of average current), high brightness energy-recovery linacs with novel Zigzag-type merger. We present the performance of the R&D ERL elements and detailed commissioning plan.  
MOPC108 AGS Polarized Proton Operation in Run 8 316
 
  • H. Huang, L. Ahrens, M. Bai, K. A. Brown, C. J. Gardner, J. W. Glenn, F. Lin, A. U. Luccio, W. W. MacKay, T. Roser, S. Tepikian, N. Tsoupas, K. Yip, A. Zelenski, K. Zeno
    BNL, Upton, Long Island, New York
  • H. M. Spinka, D. G. Underwood
    ANL, Argonne, Illinois
 
  A dual partial snake scheme has been used for AGS polarized proton operation for several years. It has provided polarized proton beams with 1.5*1011 protons per bunch and 65% polarization for the RHIC spin program. There is still residual polarization loss due to both snake resonances and horizontal resonances. Several schemes were tested in the AGS to mitigate the loss. This paper presents the experiment results and analysis.  
TUPC039 p-Carbon CNI Polarimetry in the AGS and RHIC 1140
 
  • H. Huang, A. Bazilevsky, A. Bravar, G. Bunce, V. Dharmawardane, R. L. Gill, Y. Makdisi, B. Morozov, M. Sivertz, D. Steski, K. Yip, A. Zelenski
    BNL, Upton, Long Island, New York
  • I. G. Alekseev, D. Svirida
    ITEP, Moscow
  • W. Lozowski
    IUCF, Bloomington, Indiana
 
  Polarimetry based on proton carbon elastic scattering in the Coulomb Nuclear Interference (CNI) region has been utilized for Relativistic Heavy Ion Collider (RHIC). They have been critical tools for polarized proton acceleration setup and provided polarization values for RHIC experiments. This paper summarizes the recent modifications to the hardware and electronics. The performance of the polarimeters is also discussed.