In a neutron-activation experiment, a flux of 108 neutrons/cm?sec is incident normally on a foil of area 1 cm?, density 1022 atoms/cm3 , and thickness 10-2 cm. The target nuclei have a total cross section for neutron capture of 1 barn (10-24 cm?), Find the number of b ( the light particle) per second ?
In a neutron-activation experiment, a flux of 108 neutrons/cm?sec is incident normally on a foil of area 1 cm?, density 1022 atoms/cm3 , and thickness 10-2 cm. The target nuclei have a total cross section for neutron capture of 1 barn (10-24 cm?), Find the number of b ( the light particle) per second ?
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Transcribed Image Text:In a neutron-activation experiment, a flux of
108 neutrons/cm2sec is incident normally on
a foil of area 1 cm?, density 1022 atoms/cm3
, and thickness 10-2 cm. The target nuclei
have a total cross section for neutron
capture of 1 barn (10-24 cm2), Find the
number of b ( the light particle) per second ?
104 particle/sec
102 particle/sec
106 particle/sec
108 particle/sec
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