<?xml version='1.0' encoding='utf-8'?>
<geometry>
  <cell id="1" material="1" region="-9" universe="0" />
  <surface boundary="reflective" coeffs="100" id="9" type="x-plane" />
</geometry>
<?xml version='1.0' encoding='utf-8'?>
<materials>
  <material depletable="true" id="1">
    <density units="g/cc" value="1.0" />
    <nuclide ao="1.0" name="U238" />
    <nuclide ao="0.02" name="U235" />
    <nuclide ao="0.02" name="Pu239" />
    <nuclide ao="20.0" name="H1" />
  </material>
</materials>
<?xml version='1.0' encoding='utf-8'?>
<settings>
  <run_mode>eigenvalue</run_mode>
  <particles>1000</particles>
  <batches>10</batches>
  <inactive>5</inactive>
  <source strength="1.0">
    <space type="box">
      <parameters>-4 -4 -4 4 4 4</parameters>
    </space>
  </source>
  <resonance_scattering>
    <enable>true</enable>
    <method>rvs</method>
    <energy_min>1.0</energy_min>
    <energy_max>210.0</energy_max>
    <nuclides>U238 U235 Pu239</nuclides>
  </resonance_scattering>
</settings>
