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Title: Comparison of the Window-Frame RHIC-abort kicker with C-type Kicker

The high intensity proton bunches (~2.5x1011 p/bunch ) circulating in RHIC increase the temperature of the ferrite-made RHIC-abort-kickers above the Curie point; as a result, the kickers cannot provide the required field to abort the beam at the beam dump. A team of experts in the CAD department worked on modifying the design of the window-frame RHIC-abort kicker to minimize the hysteresis losses responsible for the increase of the ferriteā€™s temperature. In this technical note we report some results from the study of two possible modifications of the window-frame RHIC-abort kicker, and we compare these results with those of a propose C-type RHIC-abort kicker. We also include an Appendix where we describe a method which may further reduce the hysteresis losses of the window-frame kicker.
Authors:
 [1] ;  [1] ;  [1] ;  [2] ;  [3]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Collider-Accelerator Dept.
  2. Stony Brook Univ., NY (United States)
  3. Westhampton High School, NY (United States)
Publication Date:
OSTI Identifier:
1156868
Report Number(s):
BNL--106006-2014-IR; BNL--C-A/AP/524
R&D Project: KBCH139; KB0202011; TRN: US1500118
DOE Contract Number:
AC02-98CH10886
Resource Type:
Technical Report
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States). Relativistic Heavy Ion Collider
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; KICKER MAGNETS; BROOKHAVEN RHIC; HEATING; FERRITE; COMPARATIVE EVALUATIONS; CURIE POINT; PROTON BEAMS; HYSTERESIS; LOSSES; DESIGN; MODIFICATIONS Relativistic Heavy Ion Collider