PF hit association #1856
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PF hit association #1856
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tomeichlersmith
requested changes
Oct 2, 2025
Remove remnant of attempt to set hits directly Co-authored-by: Tom Eichlersmith <[email protected]>
Co-authored-by: Tom Eichlersmith <[email protected]>
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The failing histogram tests are caused by a name change |
tomeichlersmith
approved these changes
Oct 6, 2025
tvami
reviewed
Oct 9, 2025
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| float d_r = std::sqrt(std::pow((ecal_clusters[0].getCentroidX() - | ||
| ecal_clusters[1].getCentroidX()), | ||
| 2) + | ||
| std::pow((ecal_clusters[0].getCentroidY() - | ||
| ecal_clusters[1].getCentroidY()), | ||
| 2)); |
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I suggest to do a*a instead of pow(a,2), it's much faster
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| std::vector<double> layer_thickness = {2., 3.5, 5.3, 5.3, 5.3, 5.3, | ||
| 5.3, 5.3, 5.3, 5.3, 5.3, 10.5, | ||
| 10.5, 10.5, 10.5, 10.5}; |
| Examples | ||
| -------- | ||
| from LDMX.Recon.pfReco import pileupFinder | ||
| p.sequence.append( pileupFinder ) |
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I'd suggest to add this to the 2e CI
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I am updating ldmx-sw, here are the details.
What are the issues that this addresses?
This allows association back to hits from clusters that were associated with PF tracks in the PFlow algorithm. It also includes a first go at a pileup electron identifier processor, that subtracts hits associated to high-momentum tracks from the ecal rechit collection (or rather, makes a new collection without those hits).
Check List
Plot showing 10 2e inclusive events, ecal rec hits x: black is all hits, red is after pileup removal. This is not at all optimized yet (clustering needs improvements) but the principle works.