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MCNP Secondaries (PWR Coolant activation)

  1. Apr 13, 2017 #1
    I have to calculate the gammas produce due to oxygen activation in the coolant of PWR reactor core. the tally i used is F4 and FM.. but the problem is in core their are different cells within a cell. so how to specify the required cell . i have selected the whole core as a cell and then specify oxygen as a material in FM card with the reaction number 102 for(neutron, gamma) reaction. and then i multiply the result with source strength in core. but the results are 100 times more than actual ...
    Please help me in this regard.
  2. jcsd
  3. Apr 18, 2017 #2
    Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
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