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10 Nov 2019
A monoenergitic beams neutrons F = 4*10^10 neutrons/cm^2-sec,impinges on a target 1 cm^2 in the area and 0.1 cm thick . Thereare 0.048*10^24 atoms per cm^3 in the target, and the totalcross-section at the energy of the beam is 4.5 barns.
(a) What is the macroscopic total cross section
(b) How many neutrons interactions per second occur in the target ?When the target is 2 cm thick and 30-cm thick, comment on how theresults relates to beam intensity and why ?
(c) What is the collision density? When the target is 2-cm and30-cm thick
A monoenergitic beams neutrons F = 4*10^10 neutrons/cm^2-sec,impinges on a target 1 cm^2 in the area and 0.1 cm thick . Thereare 0.048*10^24 atoms per cm^3 in the target, and the totalcross-section at the energy of the beam is 4.5 barns.
(a) What is the macroscopic total cross section
(b) How many neutrons interactions per second occur in the target ?When the target is 2 cm thick and 30-cm thick, comment on how theresults relates to beam intensity and why ?
(c) What is the collision density? When the target is 2-cm and30-cm thick
Lelia LubowitzLv2
21 Oct 2019
