Event-based processing of neutron scattering data at the spallation neutron source

Garrett E. Granroth; Ke An; Hillary L. Smith; Pamela Whitfield; Joerg C. Neuefeind; Jooseop Lee; Wenduo Zhou; Vladislav N. Sedov; Peter F. Peterson; Andre Parizzi; Harley Skorpensk; Steven M. Hartman; Ashfia Huq; Douglas L. Abernathy

doi:10.1107/S1600576718004727

Event-based processing of neutron scattering data at the spallation neutron source

Garrett E. Granroth, Ke An, Hillary L. Smith, Pamela Whitfield, Joerg C. Neuefeind, Jooseop Lee, Wenduo Zhou, Vladislav N. Sedov, Peter F. Peterson, Andre Parizzi, Harley Skorpensk, Steven M. Hartman, Ashfia Huq, Douglas L. Abernathy

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

34 Scopus citations

Abstract

The Spallation Neutron Source at Oak Ridge National Laboratory, USA, ushered in a new era of neutron scattering experiments through the use of eventbased data. Tagging each neutron event allows pump–probe experiments, measurements with a parameter asynchronous to the source, measurements with continuously varying parameters and novel ways of testing instrument components. This contribution will focus on a few examples. A pulsed magnet has been used to study diffraction under extreme fields. Continuous ramping of temperature is becoming standard on the POWGEN diffractometer. Battery degradation and phase transformations under heat and stress are often studied on the VULCAN diffractometer. Supercooled Al2O3 was studied on NOMAD. A study of a metallic glass through its glass transition was performed on the ARCS spectrometer, and the effect of source variation on chopper stability was studied for the SEQUOIA spectrometer. Besides a summary of these examples, an overview is provided of the hardware and software advances to enable these and many other event-based measurements.

Original language	English
Pages (from-to)	616-629
Number of pages	14
Journal	Journal of Applied Crystallography
Volume	51
DOIs	https://doi.org/10.1107/S1600576718004727
State	Published - Mar 22 2018

Funding

DE-FG02-03ER46055. Early demonstrations of the ADCROC DAQ and asynchronous measurements on VULCAN, and the development of the pulsed-magnet environment into a user capability, were supported by separate Laboratory Directed Research Development projects at Oak Ridge National Laboratory. Neutron scattering measurements are sponsored by the User Facilities Division, Office of Basic Energy Sciences, US Department of Energy. This manuscript has been authored by UT-Battelle, LLC, under contract No. DE-AC05-00OR22725 with the US Department of Energy. HLS acknowledges support from the US Department of Energy, Office of Basic Energy Sciences, under contract No.

Funders	Funder number
Office of Basic Energy Sciences
US Department of Energy
Basic Energy Sciences

Keywords

Event-based data processing
Neutron diffraction
Spectroscopy
Stroboscopic experiments

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10.1107/S1600576718004727

Cite this

Granroth, G. E., An, K., Smith, H. L., Whitfield, P., Neuefeind, J. C., Lee, J., Zhou, W., Sedov, V. N., Peterson, P. F., Parizzi, A., Skorpensk, H., Hartman, S. M., Huq, A., & Abernathy, D. L. (2018). Event-based processing of neutron scattering data at the spallation neutron source. Journal of Applied Crystallography, 51, 616-629. https://doi.org/10.1107/S1600576718004727

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title = "Event-based processing of neutron scattering data at the spallation neutron source",

abstract = "The Spallation Neutron Source at Oak Ridge National Laboratory, USA, ushered in a new era of neutron scattering experiments through the use of eventbased data. Tagging each neutron event allows pump–probe experiments, measurements with a parameter asynchronous to the source, measurements with continuously varying parameters and novel ways of testing instrument components. This contribution will focus on a few examples. A pulsed magnet has been used to study diffraction under extreme fields. Continuous ramping of temperature is becoming standard on the POWGEN diffractometer. Battery degradation and phase transformations under heat and stress are often studied on the VULCAN diffractometer. Supercooled Al2O3 was studied on NOMAD. A study of a metallic glass through its glass transition was performed on the ARCS spectrometer, and the effect of source variation on chopper stability was studied for the SEQUOIA spectrometer. Besides a summary of these examples, an overview is provided of the hardware and software advances to enable these and many other event-based measurements.",

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author = "Granroth, {Garrett E.} and Ke An and Smith, {Hillary L.} and Pamela Whitfield and Neuefeind, {Joerg C.} and Jooseop Lee and Wenduo Zhou and Sedov, {Vladislav N.} and Peterson, {Peter F.} and Andre Parizzi and Harley Skorpensk and Hartman, {Steven M.} and Ashfia Huq and Abernathy, {Douglas L.}",

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doi = "10.1107/S1600576718004727",

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AU - Granroth, Garrett E.

AU - An, Ke

AU - Smith, Hillary L.

AU - Whitfield, Pamela

AU - Neuefeind, Joerg C.

AU - Lee, Jooseop

AU - Zhou, Wenduo

AU - Sedov, Vladislav N.

AU - Peterson, Peter F.

AU - Parizzi, Andre

AU - Skorpensk, Harley

AU - Hartman, Steven M.

AU - Huq, Ashfia

AU - Abernathy, Douglas L.

PY - 2018/3/22

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N2 - The Spallation Neutron Source at Oak Ridge National Laboratory, USA, ushered in a new era of neutron scattering experiments through the use of eventbased data. Tagging each neutron event allows pump–probe experiments, measurements with a parameter asynchronous to the source, measurements with continuously varying parameters and novel ways of testing instrument components. This contribution will focus on a few examples. A pulsed magnet has been used to study diffraction under extreme fields. Continuous ramping of temperature is becoming standard on the POWGEN diffractometer. Battery degradation and phase transformations under heat and stress are often studied on the VULCAN diffractometer. Supercooled Al2O3 was studied on NOMAD. A study of a metallic glass through its glass transition was performed on the ARCS spectrometer, and the effect of source variation on chopper stability was studied for the SEQUOIA spectrometer. Besides a summary of these examples, an overview is provided of the hardware and software advances to enable these and many other event-based measurements.

AB - The Spallation Neutron Source at Oak Ridge National Laboratory, USA, ushered in a new era of neutron scattering experiments through the use of eventbased data. Tagging each neutron event allows pump–probe experiments, measurements with a parameter asynchronous to the source, measurements with continuously varying parameters and novel ways of testing instrument components. This contribution will focus on a few examples. A pulsed magnet has been used to study diffraction under extreme fields. Continuous ramping of temperature is becoming standard on the POWGEN diffractometer. Battery degradation and phase transformations under heat and stress are often studied on the VULCAN diffractometer. Supercooled Al2O3 was studied on NOMAD. A study of a metallic glass through its glass transition was performed on the ARCS spectrometer, and the effect of source variation on chopper stability was studied for the SEQUOIA spectrometer. Besides a summary of these examples, an overview is provided of the hardware and software advances to enable these and many other event-based measurements.

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KW - Stroboscopic experiments

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Event-based processing of neutron scattering data at the spallation neutron source

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