Design and commissioning of the Beam Test Facility at the Spallation Neutron Source

Z. Zhang; S. Cousineau; A. Aleksandrov; A. Menshov; A. Zhukov

doi:10.1016/j.nima.2019.162826

Design and commissioning of the Beam Test Facility at the Spallation Neutron Source

Z. Zhang, S. Cousineau, A. Aleksandrov, A. Menshov, A. Zhukov

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

10 Scopus citations

Abstract

The Beam Test Facility (BTF) originally built to verify the spare RFQs at the Spallation Neutron Source (SNS) possesses the additional capability to carry out high intensity beam experiments with unique capabilities. These capabilities include a full 6D phase space measurement system, and a beam line extension for studying the propagate beam dynamics including halo development under different match conditions. A phase space density plot method that characterizes beam halo is utilized in the design of the beamline. Simulations demonstrate that the beamline design meets the requirements for conducting beam halo research. Installation and commissioning of the BTF has been completed in stages, with the first stage demonstrating that the RFQ achieves the design parameters. Commissioning of the beamline extension has begun, and a high transmission efficiency has been achieved. More work, e.g. analysis of beam halo formation under different match conditions, will be done in the future.

Original language	English
Article number	162826
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	949
DOIs	https://doi.org/10.1016/j.nima.2019.162826
State	Published - Jan 1 2020

Funding

This work has been partially supported by National Science Foundation, USA Accelerator Science grant 1535312 . This work has been partially supported by National Science Foundation, USA Accelerator Science grant 1535312. This manuscript has been authored by UT-Battelle, LLC, under Contract No. DE-AC0500OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for the United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). The authors would like to thank A. Shishlo at SNS for his help in use of the PyORBIT code and thank Huan Jia at IMP for useful discussion. This manuscript has been authored by UT-Battelle, LLC, under Contract No. DE-AC0500OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for the United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ).

Keywords

Beam halo
Beam test facility
High dynamic range beam instrumentation
High intensity hadron beam
SNS

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10.1016/j.nima.2019.162826

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title = "Design and commissioning of the Beam Test Facility at the Spallation Neutron Source",

abstract = "The Beam Test Facility (BTF) originally built to verify the spare RFQs at the Spallation Neutron Source (SNS) possesses the additional capability to carry out high intensity beam experiments with unique capabilities. These capabilities include a full 6D phase space measurement system, and a beam line extension for studying the propagate beam dynamics including halo development under different match conditions. A phase space density plot method that characterizes beam halo is utilized in the design of the beamline. Simulations demonstrate that the beamline design meets the requirements for conducting beam halo research. Installation and commissioning of the BTF has been completed in stages, with the first stage demonstrating that the RFQ achieves the design parameters. Commissioning of the beamline extension has begun, and a high transmission efficiency has been achieved. More work, e.g. analysis of beam halo formation under different match conditions, will be done in the future.",

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Design and commissioning of the Beam Test Facility at the Spallation Neutron Source

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