Lecture27 - ENU 4612C/5615C Nuclear Radiation Detection and Instrumentation Lecture 27 Neutron Detection Neutron Detection recoil nucleus proton

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ENU 4612C/5615C Nuclear Radiation Detection and Instrumentation Lecture 27 Neutron Detection
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Neutron Detection + fragment fission particle alpha proton nucleus recoil nucleus target neutron
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Neutron Energy Classification neutrons thermal neutrons slow neutrons fast
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Slow Neutron Detection ) E ( Q n + products reaction E dN dE products. reaction energetic provide to reactions Q) (positive exothermic Need
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Useful Reactions in Slow Neutron Detection ) , ( ) , ( ) , ( ) , ( 3 3 3 6 7 10 fission n H p n He H n Li Li n B α
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The 10 B( n,α ) Reaction + + + 310 . 2 792 . 2 7 7 10 ) ( α Li Li n B MeV Q n B 10 Li 7 Li v v
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The 10 B( n,α ) Li* Q E E Li = + α ) 1 ( : energy of on Conservati MeV E MeV E E m E m v m v m Li Li Li Li Li 47 . 1 84 . 0 2 2 ) 2 ( : momentum of on Conservati = = = =
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H n Li 3 6 ) , ( α H p n He 3 3 ) , ( ) , ( fission n X 780 . 4 3 6 + + He n Li ) ( MeV Q 765 . 0 ~
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This note was uploaded on 12/10/2011 for the course ENU 4612c taught by Professor Ghita during the Fall '11 term at University of Florida.

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Lecture27 - ENU 4612C/5615C Nuclear Radiation Detection and Instrumentation Lecture 27 Neutron Detection Neutron Detection recoil nucleus proton

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