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Hi all,
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<div>A set of updated ESS source components have been placed on the <a href="http://mcstas.org">
mcstas.org</a> download share ( <a href="http://www.mcstas.org/download/share">http://www.mcstas.org/download/share</a> ).</div>
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<div>The zip file ( <a href="http://www.mcstas.org/download/share/ESS_source_20130502.zip">
http://www.mcstas.org/download/share/ESS_source_20130502.zip</a> ) includes:</div>
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<div>1) Updated ESS source components for McStas 1.12c and 2.0 with </div>
<div><span class="Apple-tab-span" style="white-space:pre"></span> Cold and thermal moderators<br>
</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span> Cylindrical cold source geometry<br>
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<div><span class="Apple-tab-span" style="white-space:pre"></span> Flat thermal wing geometry<br>
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<div><span class="Apple-tab-span" style="white-space:pre"></span> Geometry close to that from MCNPX<br>
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<div><span class="Apple-tab-span" style="white-space:pre"></span> 2012 cold brightness<br>
</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span> A much easier-to-use definition of geometry, allowing to specify the instrument position within a 60-degree sector </div>
<div><span class="Apple-tab-span" style="white-space:pre"></span> A couple of bug fixes</div>
<div><br>
</div>
<div>2) Updated Brilliance_monitor.comp for McStas 1.12c and 2.0 (was not included in 1.12 and had an MPI issue in 2.0)</div>
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<div>3) ESS_moderator_long_2001.comp for McStas 1.12c (the same as included in McStas 2.0)</div>
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<div>3) Test instruments set up for estimating the (cold) source brilliance </div>
<div> of ESS in 2012 and 2001 versions</div>
<div><br>
</div>
<div>4) PDF plots of average and peak brilliance as produced by the new McStas </div>
<div> source, overlayed on the officialcurve from ESS target division and </div>
<div> the corresponding curve from VitESS.</div>
<div><br>
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<div>We hope to soon release McStas either a 2.0a or 2.1 which will include these as well as other improvements.</div>
<div><br>
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<div><br>
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<div>Best,</div>
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<div>Peter Willendrup</div>
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Peter Kjær Willendrup</td>
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Senior Research Engineer, Special Advisor</td>
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DTU Physics</td>
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