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Title: Tracking Simulation of Third-Integer Resonant Extraction for Fermilab's Mu2e Experiment

Abstract

The Mu2e experiment at Fermilab requires acceleration and transport of intense proton beams in order to deliver stable, uniform particle spills to the production target. To meet the experimental requirement, particles will be extracted slowly from the Delivery Ring to the external beamline. Using Synergia2, we have performed multi-particle tracking simulations of third-integer resonant extraction in the Delivery Ring, including space charge effects, physical beamline elements, and apertures. A piecewise linear ramp profile of tune quadrupoles was used to maintain a constant averaged spill rate throughout extraction. To study and minimize beam losses, we implemented and introduced a number of features, beamline element apertures, and septum plane alignments. Additionally, the RF Knockout (RFKO) technique, which excites particles transversely, is employed for spill regulation. Combined with a feedback system, it assists in fine-tuning spill uniformity. Simulation studies were carried out to optimize the RFKO feedback scheme, which will be helpful in designing the final spill regulation system.

Authors:
 [1];  [1];  [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1230031
Report Number(s):
FERMILAB-PUB-15-042-CD
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Journal Article
Country of Publication:
United States
Language:
English

Citation Formats

Park, Chong Shik, Amundson, James, and Michelotti, Leo. Tracking Simulation of Third-Integer Resonant Extraction for Fermilab's Mu2e Experiment. United States: N. p., 2015. Web.
Park, Chong Shik, Amundson, James, & Michelotti, Leo. Tracking Simulation of Third-Integer Resonant Extraction for Fermilab's Mu2e Experiment. United States.
Park, Chong Shik, Amundson, James, and Michelotti, Leo. 2015. "Tracking Simulation of Third-Integer Resonant Extraction for Fermilab's Mu2e Experiment". United States. https://www.osti.gov/servlets/purl/1230031.
@article{osti_1230031,
title = {Tracking Simulation of Third-Integer Resonant Extraction for Fermilab's Mu2e Experiment},
author = {Park, Chong Shik and Amundson, James and Michelotti, Leo},
abstractNote = {The Mu2e experiment at Fermilab requires acceleration and transport of intense proton beams in order to deliver stable, uniform particle spills to the production target. To meet the experimental requirement, particles will be extracted slowly from the Delivery Ring to the external beamline. Using Synergia2, we have performed multi-particle tracking simulations of third-integer resonant extraction in the Delivery Ring, including space charge effects, physical beamline elements, and apertures. A piecewise linear ramp profile of tune quadrupoles was used to maintain a constant averaged spill rate throughout extraction. To study and minimize beam losses, we implemented and introduced a number of features, beamline element apertures, and septum plane alignments. Additionally, the RF Knockout (RFKO) technique, which excites particles transversely, is employed for spill regulation. Combined with a feedback system, it assists in fine-tuning spill uniformity. Simulation studies were carried out to optimize the RFKO feedback scheme, which will be helpful in designing the final spill regulation system.},
doi = {},
url = {https://www.osti.gov/biblio/1230031}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Feb 13 00:00:00 EST 2015},
month = {Fri Feb 13 00:00:00 EST 2015}
}
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