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Title: SNS accumulator ring design and space charge considerations

Abstract

The goal of the proposed Spallation Neutron Source (SNS) is to provide a short pulse proton beam of about 0.5 {micro}s with average beam power of 1 MW. To achieve such purpose, a proton storage ring operated at 60 Hz with 1 {times} 10{sup 14} protons per pulse at 1 GeV is required. The Accumulator Ring (AR) receives 1 msec long H{sup {minus}} beam bunches of 28 mA from a 1 GeV linac. Scope and design performance goals of the AR are presented. About 1,200 turns of charge exchange injection is needed to accumulate 1 mA in the ring. After a brief description of the lattice design and machine performance parameters, space charge related issues, such as: tune shifts, stopband corrections, halo generatino and beam collimation etc. is discussed.

Authors:
Publication Date:
Research Org.:
Brookhaven National Lab., AGS Dept., Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Energy Research, Washington, DC (United States)
OSTI Identifier:
661729
Report Number(s):
BNL-65618; CONF-980567-
ON: DE98007201; TRN: 98:007056
DOE Contract Number:  
AC02-98CH10886
Resource Type:
Conference
Resource Relation:
Conference: Workshop on space charge physics in high intensity hadron rings, Shelter Island, NY (United States), 4-7 May 1998; Other Information: PBD: [1998]
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; 07 ISOTOPE AND RADIATION SOURCE TECHNOLOGY; NEUTRON SOURCES; STORAGE RINGS; PERFORMANCE; DESIGN; BEAM OPTICS; SPACE CHARGE; BEAM DYNAMICS

Citation Formats

Weng, W T. SNS accumulator ring design and space charge considerations. United States: N. p., 1998. Web.
Weng, W T. SNS accumulator ring design and space charge considerations. United States.
Weng, W T. 1998. "SNS accumulator ring design and space charge considerations". United States. https://www.osti.gov/servlets/purl/661729.
@article{osti_661729,
title = {SNS accumulator ring design and space charge considerations},
author = {Weng, W T},
abstractNote = {The goal of the proposed Spallation Neutron Source (SNS) is to provide a short pulse proton beam of about 0.5 {micro}s with average beam power of 1 MW. To achieve such purpose, a proton storage ring operated at 60 Hz with 1 {times} 10{sup 14} protons per pulse at 1 GeV is required. The Accumulator Ring (AR) receives 1 msec long H{sup {minus}} beam bunches of 28 mA from a 1 GeV linac. Scope and design performance goals of the AR are presented. About 1,200 turns of charge exchange injection is needed to accumulate 1 mA in the ring. After a brief description of the lattice design and machine performance parameters, space charge related issues, such as: tune shifts, stopband corrections, halo generatino and beam collimation etc. is discussed.},
doi = {},
url = {https://www.osti.gov/biblio/661729}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Aug 01 00:00:00 EDT 1998},
month = {Sat Aug 01 00:00:00 EDT 1998}
}

Conference:
Other availability
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