Author: Gu, X.
Paper Title Page
MOPGF155 Design and Status for the Electron Lens Project at the Relativistic Heavy Ion Collider 453
 
  • J.P. Jamilkowski, Z. Altinbas, M.R. Costanzo, T. D'Ottavio, X. Gu, M. Harvey, P. K. Kankiya, R.J. Michnoff, T.A. Miller, S. Nemesure, T.C. Shrey
    BNL, Upton, Long Island, New York, USA
 
  Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-SC0012704 with the U.S. Department of Energy.
The Elec­tron Lens up­grade pro­ject at the Rel­a­tivis­tic Heavy Ion Col­lider (RHIC) has reached an op­er­a­tional sta­tus, whereby in­tense, pulsed or DC beams of elec­trons are gen­er­ated in order to in­ter­act with the RHIC po­lar­ized pro­ton beams in both the Blue and Yel­low Rings at the 10 o'clock In­ter­ac­tion Re­gion. In­ter­ac­tions be­tween the elec­trons and pro­tons are uti­lized to coun­ter­act the beam-beam ef­fect that arises from the de­sired po­lar­ized pro­ton col­li­sions, which re­sult in a higher RHIC lu­mi­nos­ity. A com­plex sys­tem for op­er­at­ing the e-lens has been de­vel­oped, in­clud­ing su­per­con­duct­ing and non-su­per­con­duct­ing mag­net con­trols, in­stru­men­ta­tion sys­tems, a COTS-based Ma­chine Pro­tec­tion Sys­tem, cus­tom Blue and Yel­low e-lens tim­ing sys­tems for syn­chro­niz­ing the elec­tron beam with the RHIC tim­ing sys­tem, beam align­ment soft­ware tools for max­i­miz­ing elec­tron-pro­ton col­li­sions, as well as com­plex user in­ter­faces to sup­port rou­tine op­er­a­tion of the sys­tem. e-lens soft­ware and hard­ware de­sign will be pre­sented, as well as re­cent up­dates to the sys­tem that were re­quired in order to meet chang­ing sys­tem re­quire­ments in prepa­ra­tion for the first op­er­a­tional run of the sys­tem.
 
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