Incident beam simulations for the CNCS instrument
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Garrett E. Granroth | Oak Ridge National Laboratory
Yongqiang Cheng | Oak Ridge National Laboratory
Daniel M. Pajerowski | Oak Ridge National Laboratory
Andrey A. Podlesnyak | Oak Ridge National Laboratory
Georg Ehlers | Oak Ridge National Laboratory
Description
This data set contains incident beam simulations for the 100 most frequently used configurations of the cold neutron chopper spectrometer (CNCS) instrument at the Spallation Neutron Source. A mcpl output was placed 0.2 m upstream of the sample position. Each file provides enough events to sufficiently sample the beam profile and intensity incident on the sample for that configuration. They can then be used for sample simulations.
Funding Information
DOE Contract Number
AC05-00OR22725Originating Research Organization
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)Sponsoring Organization
Office of Science (SC)Related Works
- References (DOI): https://doi.org/10.3233/JNR-200186
- IsDescribedBy (DOI): https://doi.org/10.1016/j.cpc.2017.04.012
- IsContinuedBy (DOI): https://doi.org/10.1016/j.nima.2015.11.118
Details
Release Date
July 13, 2026Subject
47 OTHER INSTRUMENTATIONKeywords
Neutron Spectrometer Monte CarloDataset
Dataset Type
AS Animations/SimulationsSoftware
An MCPL reader is needed. This is available in many common particle transport codes like McStas, McVine, MCNP, etc. or standalone from https://mctools.github.io/mcpl/Cite This Dataset:
Granroth, G., Cheng, Y., Pajerowski, D., Podlesnyak, A., Ehlers, G. (2026). Incident beam simulations for the CNCS instrument. Oak Ridge National Laboratory. https://doi.org/10.13139/ORNLNCCS/3371807.
Acknowledgements
This work was carried out [in part] at Oak Ridge National Laboratory, managed by UT-Battelle, LLC for the U.S. Department of Energy under contract DE-AC05-00OR22725.