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Title: Optimization of the magnetic horn for the nuSTORM non-conventional neutrino beam using the genetic algorithm

Abstract

This paper describes the strategy for optimizing the magnetic horn for the neutrinos from STORed Muons (nuSTORM) facility. The nuSTORM magnetic horn is the primary collection device for the secondary particles generated by bombarding a solid target with 120 GeV protons. As a consequence of the non-conventional beamline designed for nuSTORM, the requirements on the horn are different from those for a conventional neutrino beamline. At nuSTORM, muons decay while circulating in the storage ring, and the detectors are placed downstream of the production straight so as to be exposed to the neutrinos from muon decay. nuSTORM aims at precisely measuring the neutrino cross sections, and providing a definitive statement about the existence of sterile neutrinos. The nuSTORM horn aims at focusing the pions into a certain phase space so that more muons from pion decay can be accepted by the decay ring. The paper demonstrates a numerical method that was developed to optimize the horn design to gain higher neutrino flux from the circulating muons. A Genetic Algorithm (GA) was applied to the simultaneous optimization of the two objectives in this study. In conclusion, the application of the technique discussed in this paper is not limited to either themore » nuSTORM facility or muon based facilities, but can be used for other neutrino facilities that use magnetic horns as collection devices.« less

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:
1329180
Alternate Identifier(s):
OSTI ID: 1247257
Report Number(s):
FERMILAB-PUB-15-252-APC
Journal ID: ISSN 0168-9002; 1374749
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 794; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; nuSTORM; genetic algorithm; magnetic horn; neutrino beam

Citation Formats

Liu, A., Bross, A., and Neuffer, D.. Optimization of the magnetic horn for the nuSTORM non-conventional neutrino beam using the genetic algorithm. United States: N. p., 2015. Web. doi:10.1016/j.nima.2015.05.035.
Liu, A., Bross, A., & Neuffer, D.. Optimization of the magnetic horn for the nuSTORM non-conventional neutrino beam using the genetic algorithm. United States. https://doi.org/10.1016/j.nima.2015.05.035
Liu, A., Bross, A., and Neuffer, D.. Thu . "Optimization of the magnetic horn for the nuSTORM non-conventional neutrino beam using the genetic algorithm". United States. https://doi.org/10.1016/j.nima.2015.05.035. https://www.osti.gov/servlets/purl/1329180.
@article{osti_1329180,
title = {Optimization of the magnetic horn for the nuSTORM non-conventional neutrino beam using the genetic algorithm},
author = {Liu, A. and Bross, A. and Neuffer, D.},
abstractNote = {This paper describes the strategy for optimizing the magnetic horn for the neutrinos from STORed Muons (nuSTORM) facility. The nuSTORM magnetic horn is the primary collection device for the secondary particles generated by bombarding a solid target with 120 GeV protons. As a consequence of the non-conventional beamline designed for nuSTORM, the requirements on the horn are different from those for a conventional neutrino beamline. At nuSTORM, muons decay while circulating in the storage ring, and the detectors are placed downstream of the production straight so as to be exposed to the neutrinos from muon decay. nuSTORM aims at precisely measuring the neutrino cross sections, and providing a definitive statement about the existence of sterile neutrinos. The nuSTORM horn aims at focusing the pions into a certain phase space so that more muons from pion decay can be accepted by the decay ring. The paper demonstrates a numerical method that was developed to optimize the horn design to gain higher neutrino flux from the circulating muons. A Genetic Algorithm (GA) was applied to the simultaneous optimization of the two objectives in this study. In conclusion, the application of the technique discussed in this paper is not limited to either the nuSTORM facility or muon based facilities, but can be used for other neutrino facilities that use magnetic horns as collection devices.},
doi = {10.1016/j.nima.2015.05.035},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 794,
place = {United States},
year = {Thu May 28 00:00:00 EDT 2015},
month = {Thu May 28 00:00:00 EDT 2015}
}

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