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Title: Alignment and steering scenarios for the APT linac

Abstract

The Accelerator for the Production of Tritium (APT) requires a very high proton beam current (100 mA cw). Requirement for hands-on maintenance limits the beam spill to less than 0.2 nA/m along most of the linac. To achieve this, it is important to understand the effects of fabrication, installation and operational errors, establish realistic tolerances, and develop techniques for mitigating their consequences. A new code, PARTREX, statistically evaluates the effects of alignment, quadrupole field, and rf phase and amplitude errors in the linac. This paper reviews the effects of quadrupole misalignments and present two steering algorithms that minimize the potential for particle loss from the beam halo. These algorithms were tested on the 8-to-20 MeV portion of the APT linac.

Authors:
; ; ; ; ;  [1];  [2]
  1. Los Alamos National Lab., NM (United States)
  2. Amparo Corp., Santa Fe, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab., NM (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
378234
Report Number(s):
LA-UR-96-2968; CONF-9608123-20
ON: DE96014802; TRN: 96:025583
DOE Contract Number:  
W-7405-ENG-36
Resource Type:
Conference
Resource Relation:
Conference: 18. international linac conference, Geneva (Switzerland), 26-30 Aug 1996; Other Information: PBD: [1996]
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; LINEAR ACCELERATORS; PARTICLE LOSSES; QUADRUPOLES; ALIGNMENT; ALGORITHMS

Citation Formats

Stovall, J E, Gray, E R, Nath, S, Takeda, H, Wood, R L, Young, L M, and Crandall, K R. Alignment and steering scenarios for the APT linac. United States: N. p., 1996. Web.
Stovall, J E, Gray, E R, Nath, S, Takeda, H, Wood, R L, Young, L M, & Crandall, K R. Alignment and steering scenarios for the APT linac. United States.
Stovall, J E, Gray, E R, Nath, S, Takeda, H, Wood, R L, Young, L M, and Crandall, K R. Sun . "Alignment and steering scenarios for the APT linac". United States. https://www.osti.gov/servlets/purl/378234.
@article{osti_378234,
title = {Alignment and steering scenarios for the APT linac},
author = {Stovall, J E and Gray, E R and Nath, S and Takeda, H and Wood, R L and Young, L M and Crandall, K R},
abstractNote = {The Accelerator for the Production of Tritium (APT) requires a very high proton beam current (100 mA cw). Requirement for hands-on maintenance limits the beam spill to less than 0.2 nA/m along most of the linac. To achieve this, it is important to understand the effects of fabrication, installation and operational errors, establish realistic tolerances, and develop techniques for mitigating their consequences. A new code, PARTREX, statistically evaluates the effects of alignment, quadrupole field, and rf phase and amplitude errors in the linac. This paper reviews the effects of quadrupole misalignments and present two steering algorithms that minimize the potential for particle loss from the beam halo. These algorithms were tested on the 8-to-20 MeV portion of the APT linac.},
doi = {},
url = {https://www.osti.gov/biblio/378234}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {9}
}

Conference:
Other availability
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