Absolute Calibration of the DANCE Thermal Neutron Beam using Sodium Activation

(2) Los Alamos National Laboratory; (3) Boston University); C. Grant (3); E. Pantic (1); J. He (1); J. Ullmann (2); J. Wang (1) ((1) University of California at Davis; L. Pagani (1); L. Pickard (1); R. Svoboda (1)

arxiv: 1902.01347 · v2 · pith:G5MZFCHKnew · submitted 2019-02-04 · ⚛️ physics.ins-det

Absolute Calibration of the DANCE Thermal Neutron Beam using Sodium Activation

V. Fischer (1) , L. Pagani (1) , L. Pickard (1) , C. Grant (3) , J. He (1) , E. Pantic (1) , R. Svoboda (1) , J. Ullmann (2)

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J. Wang (1) ((1) University of California at Davis (2) Los Alamos National Laboratory (3) Boston University)

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keywords neutronbeamthermalabsoluteactivationmethodsodiumalamos

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The measurement of the neutron capture cross-section as a function of energy in the thermal range requires a precise knowledge of the absolute neutron flux. In this paper a new method of calibrating a thermal neutron beam using the controlled activation of sodium is described. The method is applied to the FP-14 Time Of Flight neutron beam line at the Los Alamos Neutron Science Center to calibrate the beam to a precision of $\pm5$%.

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Absolute Calibration of the DANCE Thermal Neutron Beam using Sodium Activation

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