Recent content by vibrationalmodes

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    Undergrad Neutron transport equation

    Happy to help!
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    Undergrad Neutron transport equation

    I think you could reason that they must have absorbed the 2##\pi## into the cross section. If you look closely, the top expression has the cross section for particles coming in from direction ##\Omega##' and scatters into direction ##\Omega## (and you integrate over all incoming angles to get...