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Place polarized neutron reflectivity data in bins of constant wavevector transfer

Software ·
DOI:https://doi.org/10.5281/zenodo.3828984· OSTI ID:1619245 · Code ID:36435
 [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
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Code to place polarized neutron reflectivity into bins of constant Qz with regard for Zeeman energy change to the spin-flip channel. The code is written as a Jupyter notebook. Example data are included as separate files (spin_down.txt and spin_up.txt). As a first step, run all cells in the notebook. Opportunities are identified for users to make their own choices for analysis of the data. The code is written to be a stand-alone operation on data collected from a pulse neutron source that have been previously normalized to the wavelength dependence of the incident beam spectrum, background subtracted, etc. The constant Qz binning (this code) is the last step to perform in the analysis (reduction) workflow. This step yields the the reflectivities for the four neutron spin cross-sections. A future intention is to create a version of this code that will be one module of many in the data analysis workflow.

Short Name / Acronym:
reflectometry-analysis-constant-Qz-binning
Project Type:
Open Source, Publicly Available Repository
Software Type:
Scientific
Version:
1.0
License(s):
BSD 3-clause "New" or "Revised" License
Programming Language(s):
Python
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
Primary Award/Contract Number:
AC05-00OR22725
DOE Contract Number:
AC05-00OR22725
Code ID:
36435
OSTI ID:
1619245
Country of Origin:
United States

References (3)

Observation of the Zeeman splitting for neutrons reflected by magnetic layers journal April 1996
Zeeman splitting of surface-scattered neutrons journal October 1995
Vector magnetization depth profile of a Laves-phase exchange-coupled superlattice obtained using a combined approach of micromagnetic simulation and neutron reflectometry journal April 2006

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polarized neutron reflectometry data reduction