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Determination of energy-dependent neutron backgrounds using shadow bars

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arxiv 2212.11093 v1 pith:IBVID5QP submitted 2022-12-19 physics.ins-det

Determination of energy-dependent neutron backgrounds using shadow bars

S. N. Paneru , K. W. Brown , F.C.E Teh , K. Zhu , M.B. Tsang , D. DellAquila , Z. Chajecki , W.G. Lynch
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S. Sweany C.Y. Tsang A.K. Anthony J. Barney J. Estee I. Gasparic G. Jhang O.B. Khanal J. Mandredi C.Y. Niu R.S. Wang J.C. Zamora
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classification physics.ins-det
keywords neutronbackgroundbarsshadowdetermineenergyaccuratelyalong
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Understanding the neutron background is essential for determining the neutron yield from nuclear reactions. In the analysis presented here, the shadow bars are placed in front of neutron detectors to determine the energy dependent neutron background fractions. The measurement of neutron spectra with and without shadow bars is important to determine the neutron background more accurately. The neutron background, along with its sources and systematic uncertainties, are explored with a focus on the impact of background models and their dependence on neutron energy.

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