Nonintrusive emittance measurement of 1 GeV H - beam

Y. Liu, A. Aleksandrov, C. Long, A. Menshov, J. Pogge, A. Webster, A. Zhukov

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

A laser wire based transverse phase space measurement system has been developed at the Spallation Neutron Source (SNS). The system enables a direct measurement of the transverse emittance in both directions on a 1 GeV hydrogen ion (H -) beam at the high energy beam transport (HEBT) beam line. The measurement is non-destructive and has been conducted on a neutron production H - beam. This paper describes the design, implementation, and measurement performance of the system. The experience on the installation and commissioning of the laser emittance measurement system will also be discussed.

Original languageEnglish
Pages (from-to)97-102
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume675
DOIs
StatePublished - May 21 2012
Externally publishedYes

Funding

The authors would like to acknowledge Y. Polsky, J. Diamond, C. Deibele, V. Gaidash, A. Shishlo, and J. Galambos for their helps during the design, installation, signal detection, and commissioning of the system. Oak Ridge National Laboratory is managed by UT Battelle, LLC for the US Department of Energy under Contract no. DE-AC05-00OR22725.

FundersFunder number
US Department of Energy
Battelle

    Keywords

    • Beam diagnostics
    • Emittance
    • Laser wire
    • Nonintrusive measurement
    • Spallation Neutron Source

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