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Title: Design and test of the RHIC CMD10 abort kicker

Abstract

In recent RHIC operational runs, planned and unplanned pre-fire triggered beam aborts have been observed that resulted in quenches of SC main ring magnets, indicating a weakened magnet kick strength due to beam-induced ferrite heating. An improvement program was initiated to reduce the longitudinal coupling impedance with changes to the ferrite material and the eddy-current strip geometry. Results of the impedance measurements and of magnet heating tests with CMD10 ferrite up to 190°C are reported. All 10 abort kickers in the tunnel have been modified and were provided with a cooling system for the RUN 15.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1183846
Report Number(s):
BNL-107217-2015-CP
R&D Project: KBCH139; KB0202011; TRN: US1500214
DOE Contract Number:  
SC00112704
Resource Type:
Conference
Resource Relation:
Conference: 6th International Particle Accelerator Conference (IPAC’15), Richmond, VA (United States), 3-8 May 2015
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; KICKER MAGNETS; BROOKHAVEN RHIC; FERRITES; COOLING SYSTEMS; PERFORMANCE; DESIGN; TESTING; HEATING; ELECTRIC IMPEDANCE; COUPLING

Citation Formats

Hahn, H., Blaskiewicz, M., Drees, A., Fischer, W., Mi, J., Meng, W., Montag, C., Pai, C., Sandberg, J., Tsoupas, N., Tuozzolo, J. E., and Zhang, W. Design and test of the RHIC CMD10 abort kicker. United States: N. p., 2015. Web.
Hahn, H., Blaskiewicz, M., Drees, A., Fischer, W., Mi, J., Meng, W., Montag, C., Pai, C., Sandberg, J., Tsoupas, N., Tuozzolo, J. E., & Zhang, W. Design and test of the RHIC CMD10 abort kicker. United States.
Hahn, H., Blaskiewicz, M., Drees, A., Fischer, W., Mi, J., Meng, W., Montag, C., Pai, C., Sandberg, J., Tsoupas, N., Tuozzolo, J. E., and Zhang, W. Sun . "Design and test of the RHIC CMD10 abort kicker". United States. https://www.osti.gov/servlets/purl/1183846.
@article{osti_1183846,
title = {Design and test of the RHIC CMD10 abort kicker},
author = {Hahn, H. and Blaskiewicz, M. and Drees, A. and Fischer, W. and Mi, J. and Meng, W. and Montag, C. and Pai, C. and Sandberg, J. and Tsoupas, N. and Tuozzolo, J. E. and Zhang, W.},
abstractNote = {In recent RHIC operational runs, planned and unplanned pre-fire triggered beam aborts have been observed that resulted in quenches of SC main ring magnets, indicating a weakened magnet kick strength due to beam-induced ferrite heating. An improvement program was initiated to reduce the longitudinal coupling impedance with changes to the ferrite material and the eddy-current strip geometry. Results of the impedance measurements and of magnet heating tests with CMD10 ferrite up to 190°C are reported. All 10 abort kickers in the tunnel have been modified and were provided with a cooling system for the RUN 15.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {5}
}

Conference:
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