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Showing papers by "Luiz C Leal published in 2001"

Journal Article•DOI•
High-Resolution Transmission Measurements of 233U Using a Cooled Sample at the Temperature T=11 K

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Klaus H Guber1, R. R. Spencer1, Luiz C Leal1, P. E. Koehler1, John A. Harvey1, R. O. Sayer1, Herve Derrien1, Timothy E. Valentine1, D. E. Pierce1, V.M. Cauley1, T. A. Lewis1 •
Oak Ridge National Laboratory1
01 Oct 2001-Nuclear Science and Engineering
TL;DR: In this paper, high-resolution transmission data of {sup 233}U have been obtained using a cooled sample, which was conducted at the Oak Ridge Electron Linear Accelerator over the energy range from 0.6 eV to 300 keV at the 80m flight path station.
Abstract: For the first time, high-resolution transmission data of {sup 233}U have been obtained using a cooled sample. The samples were cooled to T = 11 K using a cryogenic device, which reduced the Doppler broadening of resonances by 50% compared to room-temperature measurements. The measurements were carried out at the Oak Ridge Electron Linear Accelerator over the energy range from 0.6 eV to 300 keV at the 80-m flight path station. Corrections were made for experimental effects, and the average total cross section in this energy range was determined. Results are compared to previous measurements.

13 citations

Proceedings Article•DOI•
Neutron Cross Sections Measurements for Light Elements at Orela and Their Application in Nuclear Criticality and Astrophysics

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Klaus H Guber, Luiz C Leal, R. O. Sayer, R. R. Spencer, P. E. Koehler, Timothy E. Valentine, Herve Derrien, J. Andrzejewski, Yuri Gledenov, John A. Harvey 
01 Nov 2001

2 citations