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Title: Strategy for alignment of electron beam trajectory in LEReC cooling section

Abstract

We considered the steps required to align the electron beam trajectory through the LEReC cooling section. We devised a detailed procedure for the beam-based alignment of the cooling section solenoids. We showed that it is critical to have an individual control of each CS solenoid current. Finally, we modeled the alignment procedure and showed that with two BPM fitting the solenoid shift can be measured with 40 um accuracy and the solenoid inclination can be measured with 30 urad accuracy. These accuracies are well within the tolerances of the cooling section solenoid alignment.

Authors:
 [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:
1329782
Report Number(s):
BNL-112720-2016-IR
R&D Project: KBCH139; KB0202011; TRN: US1700405
DOE Contract Number:  
SC00112704
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ELECTRON BEAMS; SOLENOIDS; ALIGNMENT; BROOKHAVEN RHIC; ELECTRON COOLING; ACCURACY; TRAJECTORIES; CONTROL; ELECTRIC CURRENTS; INCLINATION

Citation Formats

Seletskiy, S., Blaskiewicz, M., Fedotov, A., Kayran, D., Kewisch, J., Michnoff, R., and Pinayev, I.. Strategy for alignment of electron beam trajectory in LEReC cooling section. United States: N. p., 2016. Web. doi:10.2172/1329782.
Seletskiy, S., Blaskiewicz, M., Fedotov, A., Kayran, D., Kewisch, J., Michnoff, R., & Pinayev, I.. Strategy for alignment of electron beam trajectory in LEReC cooling section. United States. doi:10.2172/1329782.
Seletskiy, S., Blaskiewicz, M., Fedotov, A., Kayran, D., Kewisch, J., Michnoff, R., and Pinayev, I.. Fri . "Strategy for alignment of electron beam trajectory in LEReC cooling section". United States. doi:10.2172/1329782. https://www.osti.gov/servlets/purl/1329782.
@article{osti_1329782,
title = {Strategy for alignment of electron beam trajectory in LEReC cooling section},
author = {Seletskiy, S. and Blaskiewicz, M. and Fedotov, A. and Kayran, D. and Kewisch, J. and Michnoff, R. and Pinayev, I.},
abstractNote = {We considered the steps required to align the electron beam trajectory through the LEReC cooling section. We devised a detailed procedure for the beam-based alignment of the cooling section solenoids. We showed that it is critical to have an individual control of each CS solenoid current. Finally, we modeled the alignment procedure and showed that with two BPM fitting the solenoid shift can be measured with 40 um accuracy and the solenoid inclination can be measured with 30 urad accuracy. These accuracies are well within the tolerances of the cooling section solenoid alignment.},
doi = {10.2172/1329782},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Sep 23 00:00:00 EDT 2016},
month = {Fri Sep 23 00:00:00 EDT 2016}
}

Technical Report:

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