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Measurement and Analysis of the Nitrogen Total and Differential Scattering Cross Sections in the Resonance Region
Book chapter

Measurement and Analysis of the Nitrogen Total and Differential Scattering Cross Sections in the Resonance Region

C O Beasley, N M Larson, J A Harvey, D C Larson and G M Hale
Reactor Dosimetry, pp 737-743
01 Jan 1994
DOI: https://doi.org/10.1520/STP15170S

Abstract

N High-Resolution Transmission And Scattering Measurements R-Matrix Analysis Resonance Parameters
High-resolution neutron transmission and differential elastic scattering measurements have been made on samples of nitrogen from 0.5 eV to 10 MeV at the Oak Ridge Electron Linear Accelerator (ORELA). For the transmission measurement several different detectors were used at various flight path lengths, with high-purity nitrogen gas samples. The data have been corrected for the dead time of the time digitizer and for several small backgrounds. For the scattering measurements six detectors were placed at various angles inside an evacuated scattering chamber at 200 meters from the neutron producing target. The sample was silicon nitride held in a thin graphite container. Scattering from carbon and silicon samples was also measured to correct for these materials and calibrate the relative efficiencies of the scattering detectors. The data have been corrected for dead time and for a constant background. A preliminary analysis has been completed to obtain parameters of the resonances up to 4.8 MeV.

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Nuclear Science & Technology
Physics, Nuclear
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