<?xml version='1.0' encoding='utf-8'?>
<geometry>
  <cell id="1" material="void" region="-1 2 -3" universe="1" />
  <cell id="2" material="1" region="-1 3 -4" universe="1" />
  <cell id="3" material="void" region="~(-1 2 -4)" universe="1" />
  <surface boundary="vacuum" coeffs="0.0 0.0 1.0" id="1" type="x-cylinder" />
  <surface boundary="vacuum" coeffs="-1.0" id="2" type="x-plane" />
  <surface coeffs="1.0" id="3" type="x-plane" />
  <surface boundary="vacuum" coeffs="1000000000.0" id="4" type="x-plane" />
</geometry>
<?xml version='1.0' encoding='utf-8'?>
<materials>
  <material id="1">
    <density units="g/cm3" value="2.6989" />
    <nuclide ao="1.0" name="Al27" />
  </material>
</materials>
<?xml version='1.0' encoding='utf-8'?>
<settings>
  <run_mode>fixed source</run_mode>
  <particles>10000</particles>
  <batches>1</batches>
  <source strength="1.0">
    <space type="point">
      <parameters>0 0 0</parameters>
    </space>
    <angle reference_uvw="1.0 0.0 0.0" type="monodirectional" />
    <energy type="discrete">
      <parameters>14000000.0 1.0</parameters>
    </energy>
  </source>
  <electron_treatment>ttb</electron_treatment>
  <photon_transport>true</photon_transport>
  <cutoff>
    <energy_photon>1000.0</energy_photon>
  </cutoff>
</settings>
<?xml version='1.0' encoding='utf-8'?>
<tallies>
  <filter id="1" type="surface">
    <bins>1</bins>
  </filter>
  <filter id="2" type="particle">
    <bins>neutron photon electron positron</bins>
  </filter>
  <tally id="1">
    <filters>1 2</filters>
    <scores>current</scores>
  </tally>
  <tally id="2">
    <filters>2</filters>
    <nuclides>Al27 total</nuclides>
    <scores>total (n,gamma)</scores>
    <estimator>tracklength</estimator>
  </tally>
  <tally id="3">
    <filters>2</filters>
    <nuclides>Al27 total</nuclides>
    <scores>total heating (n,gamma)</scores>
    <estimator>collision</estimator>
  </tally>
  <tally id="4">
    <filters>2</filters>
    <nuclides>Al27 total</nuclides>
    <scores>total heating (n,gamma)</scores>
    <estimator>analog</estimator>
  </tally>
</tallies>
