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A Measurement of the <sup>10</sup>B(<i>n,αγ</i>)<sup>7</sup>Li Cross Section in the keV Energy Region
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1978
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EngineeringNuclear PhysicsNuclear Data200-M Flight PathLepton-nucleon ScatteringNuclear DecayKev Energy RegionHigh-energy Nuclear ReactionPhysicsRelative Cross SectionNuclear TheoryNeutron SourceAtomic PhysicsNeutron TransportNuclear AstrophysicsAbsolute NormalizationExperimental Nuclear PhysicsNatural SciencesParticle PhysicsApplied PhysicsNeutron Scattering
AbstractThe 10B(n,αγ)7Li relative cross section has been measured using the 200-m flight path of the National Bureau of Standards Linac neutron time-of-flight facility. Results are presented from 5 to 700 keV, showing the 5/2- level of 11B at 500 keV.The neutron flux was monitored with a hydrogen proportional counter. The known n-p scattering cross section was then used to normalize the data to obtain a relative cross section. No attempt was made to obtain an absolute normalization experimentally. Overall accuracy is estimated to be better than 3% from 10 to 400 keV.