Measuring Neutron Lifetime on an IBR-2 Pulsed Neutron Source |
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Authors: | V. L. Kuznetsov E. V. Kuznetsova P. V. Sedyshev |
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Affiliation: | 1.Institute for Nuclear Research,Russian Academy of Sciences,Moscow,Russia;2.Joint Institute for Nuclear Research,Dubna, Moscow oblast,Russia |
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Abstract: | A new method of measuring neutron lifetimes on pulsed neutron sources based on changes in the neutron spectrum during the time of the neutron transit along a rather large path length due to their decay is proposed. The main advantage of this method is the use of relative measurements. Simulating the experiment made it possible to explore the influence of background and neutron losses caused by both the interaction with residual gas and the different level of detector efficiency on the systematic errors. All parameters can be measured experimentally. |
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