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Development of a Unique Curve for Thermal Neutron Self-Shielding Factor in Spherical Scattering Materials

J. Salgado, I. F. Gonçalves, E. Martinho

Nuclear Science and Engineering / Volume 148 / Number 3 / November 2004 / Pages 426-428

Technical Paper

The introduction of an appropriate dimensionless variable, which takes into account, simultaneously, the material absorbing and scattering properties, can express the thermal neutron self-shielding factor of spherical samples by a unique curve. It is shown that the differences between the values calculated by Blaauw and those of the proposed curve are <1.5%.

 
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