# Calculate neutron dose rate from a reactor to an object

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So, I'd like to calculate the dose rate to an object, say 1g of quartz (SiO2) placed into a research reactor neutron flux. The average kinetic energy of research reactor neutrons is 2 MeV but individual neutron energies vary dramatically. Say the thermal neutron flux is 1E13 n/cm2/sec and the fast neutron flux is 1E12 n/cm2/sec. I'm confused as to how to properly take the different ranges of energies into account, or whether to use average energy. I see a lot of information for calculating neutron dose to humans but not much for calculating neutron dose to anything else. Any helpful info or formulas I'm missing would be appreciated. I don't expect you to look up all the cross-sections or anything, just any helpful info would be great. Thanks!