CORELLI_Parameters.xml

<?xml version="1.0" encoding="UTF-8" ?>
<parameter-file instrument = "CORELLI" valid-from = "2014-02-25 00:00:00">

  <component-link name = "CORELLI">

    <!-- Specify the gap between the tubes for Peak::findDetector -->
    <parameter name="tube-gap">
      <value val="0.00065"/>
    </parameter>

    <!--   formula for t0 calculation. See http://muparser.sourceforge.net/mup_features.html#idDef2 for available operators-->
    <parameter name="t0_formula" type="string">
      <!-- This formula was taken from ARCS and needs to be updated for CORELLI -->
      <value val="(101.9 * incidentEnergy^(-0.41) * exp(-incidentEnergy/282.0))" />
    </parameter>


    <!-- Need to fill in gaps for peak profile fitting -->
    <parameter name="fitConvolvedPeak" type="bool">
     <value val="true"/>
    </parameter>

    <!-- Number of rows between detector gaps for profile fitting -->
    <parameter name="numDetRows" type="int">
     <value val="255" />
    </parameter>

    <!-- Number of cols between detector gaps for profile fitting -->
    <parameter name="numDetCols" type="int">
     <value val="16" />
    </parameter>

    <!-- Number of polar bins for BVG histogramming when profile fitting -->
    <parameter name="numBinsTheta" type="int">
     <value val="50" />
    </parameter>

    <!-- Number of azimuthal bins for BVG histogramming when profile fitting -->
    <parameter name="numBinsPhi" type="int">
     <value val="50" />
    </parameter>

    <!-- Fraction along (h,k,l) to use for profile fitting. 0.5 is the next peak. -->
    <parameter name="fracHKL">
     <value val="0.25" />
    </parameter>

    <!-- Side length of each voxel for fitting in units of angstrom^-1 -->
    <parameter name="dQPixel">
     <value val="0.007" />
    </parameter>

    <!-- Minimum spacing for profile fitting the TOF profile. Units of microseconds -->
    <parameter name="mindtBinWidth">
     <value val="2" />
    </parameter>

    <!-- Maximum spacing for profile fitting the TOF profile. Units of microseconds -->
    <parameter name="maxdtBinWidth">
     <value val="60" />
    </parameter>

    <!-- Size of peak mask for background calculation in units of dQPixel -->
    <parameter name="peakMaskSize" type="int">
     <value val="10" />
    </parameter>

    <!-- Initial guess parameters for coshPeakWidthModel -->
    <parameter name="sigSC0Params" type="string">
     <value val="0.00413132 1.54103839 1.0 -0.00266634" />
    </parameter>

    <!-- Initial guess for sigma along the azimuthal direction (rad) -->
    <parameter name="sigAZ0">
     <value val="0.0025" />
    </parameter>

    <!-- Initial guess parameters for fsigP (BVG covariance) -->
    <parameter name="sigP0Params" type="string">
     <value val="0.1460775 1.85816592 0.26850086 -0.00725352" />
    </parameter>

  </component-link>

</parameter-file>