SNS accumulator ring collimator optimization with beam dynamics

D. Jeon; V. V. Danilov; J. D. Galambos; J. A. Holmes; D. K. Olsen

doi:10.1016/S0168-9002(99)00567-7

SNS accumulator ring collimator optimization with beam dynamics

D. Jeon, V. V. Danilov, J. D. Galambos, J. A. Holmes, D. K. Olsen

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

It is required to have an uncontrolled beam loss less than 1 nA/m at 1 GeV energy for hands-on maintenance of the Spallation Neutron Source (SNS) Accumulator Ring. Collimators will be used for this end. Various beam dynamics questions related with the collimators have been studied. Various factors are optimized with the given ring lattice and error study is done. Numerical simulations also indicate that movable shielding is necessary for a few hot places downstream of the primary collimator. These simulations indicate that with properly designed collimators the uncontrolled beam-loss requirements of the SNS accumulator ring may be achievable.

Original language	English
Pages (from-to)	308-317
Number of pages	10
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	435
Issue number	3
DOIs	https://doi.org/10.1016/S0168-9002(99)00567-7
State	Published - Oct 11 1999
Externally published	Yes

Funding

Work supported by the Division of Materials Science, U.S. DOE, under contract number DE-AC05-96OR22464 with Lockheed Martin Energy Research Corporation for Oak Ridge National Laboratory.

Funders	Funder number
U.S. Department of Energy	DE-AC05-96OR22464
Division of Materials Sciences and Engineering

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AU - Danilov, V. V.

AU - Galambos, J. D.

AU - Holmes, J. A.

AU - Olsen, D. K.

PY - 1999/10/11

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AB - It is required to have an uncontrolled beam loss less than 1 nA/m at 1 GeV energy for hands-on maintenance of the Spallation Neutron Source (SNS) Accumulator Ring. Collimators will be used for this end. Various beam dynamics questions related with the collimators have been studied. Various factors are optimized with the given ring lattice and error study is done. Numerical simulations also indicate that movable shielding is necessary for a few hot places downstream of the primary collimator. These simulations indicate that with properly designed collimators the uncontrolled beam-loss requirements of the SNS accumulator ring may be achievable.

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IS - 3

ER -

SNS accumulator ring collimator optimization with beam dynamics

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