<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi Bradley,</div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">I am glad you caught this, but I think that your fix will result in more event for MC, so the discrepancy between data and MC will get worse. Or do I have this the wrong way around?</div><div id="AppleMailSignature">Has pass3 MC started? </div><div id="AppleMailSignature"><br><div>Best,</div><div> Maurik</div><div><br></div>-----------------------------------------------</div><div><br>On Oct 16, 2015, at 3:57 PM, Bradley T Yale <<a href="mailto:btu29@wildcats.unh.edu">btu29@wildcats.unh.edu</a>> wrote:<br><br></div><blockquote type="cite"><div>
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<p>Hey everyone,</p>
<p>This could be a major cause of the discrepancy in relative trident yields in MC.</p>
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<p>The way I've been reading out the pure MC components is 100 generated files -> 1 recon file, but it seems that this was too many events for the readout step to handle, and it only processes a certain number of files before stopping. However, the jobs never
report an error and complete fine while using <100 files. This will greatly affect the number of events used for normalization.</p>
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<p>If looking at Pass2 MC (tagged '3.4.0'), then the number of generated files each recon file corresponds to is:</p>
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<p>BH: 1 recon file = 63-100 generated files (depending on whether the fieldmap was applied)</p>
<p>RAD: 1 recon file = 16-30 generated files</p>
<p>tritrig: 1 recon file = 10 generated files</p>
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<p>This can be easily fixed by standardizing the readout of everything without background to 10-to-1, which I will start doing in the pass3 folder, and that number of files can then be assumed.</p>
<p>In the meantime, the number of input files and events used for pass2 MC readout can be found listed in the corresponding logs and your calculations adjusted accordingly:</p>
<p>/work/hallb/hps/mc_production/pass2/logs/readout/</p>
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<p>I am very sorry for not catching this sooner.<br>
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