Difference between revisions of "BCAL reconstruction 8/24/11"
From GlueXWiki
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| + | ==Summary== | ||
| + | * BCAL reconstruction seemed to be an obstacle in b1pi events | ||
| + | * Two reconstruction algorithms in tree: KLOE algorithm=default, "new" algorithm by matt s. | ||
| + | * Found two issues which lead to poor energy resolution at low E (fixes not checked in yet) | ||
| + | * "New" algorithm seems to be doing well, at least for single-photon events | ||
| + | * Further fine-tuning needed, but maybe should wait until BCAL readout finalized? | ||
| + | * Further study of b1pi, etc. | ||
| + | |||
==BCAL Reconstruction algorithms== | ==BCAL Reconstruction algorithms== | ||
* KLOE algorithm: currently default | * KLOE algorithm: currently default | ||
* GlueX algorithm: by Matt Shepherd [[media:New_bcal_recon.pdf | "New" BCAL Reconstruction Algorithm]] | * GlueX algorithm: by Matt Shepherd [[media:New_bcal_recon.pdf | "New" BCAL Reconstruction Algorithm]] | ||
| − | * GlueX+: Fixed a bug that prevent some hits from being considered, lowered energy threshold to " | + | * GlueX+: Fixed a bug that prevent some hits from being considered, lowered energy threshold to "seed" cluster |
| − | + | ||
==Single photon event sample== | ==Single photon event sample== | ||
Single photon efficiency (excluding events with tracking hits): | Single photon efficiency (excluding events with tracking hits): | ||
| − | |||
| − | |||
| − | |||
Energy resolution: | Energy resolution: | ||
Revision as of 12:19, 24 August 2011
Contents
Summary
- BCAL reconstruction seemed to be an obstacle in b1pi events
- Two reconstruction algorithms in tree: KLOE algorithm=default, "new" algorithm by matt s.
- Found two issues which lead to poor energy resolution at low E (fixes not checked in yet)
- "New" algorithm seems to be doing well, at least for single-photon events
- Further fine-tuning needed, but maybe should wait until BCAL readout finalized?
- Further study of b1pi, etc.
BCAL Reconstruction algorithms
- KLOE algorithm: currently default
- GlueX algorithm: by Matt Shepherd "New" BCAL Reconstruction Algorithm
- GlueX+: Fixed a bug that prevent some hits from being considered, lowered energy threshold to "seed" cluster
Single photon event sample
Single photon efficiency (excluding events with tracking hits):
Energy resolution:
Timing resolution:
