SN0357 : Will Cluster Morphology Measures Work at STAR?
Updated on Mon, 2007-06-18 19:57. Originally created by chajecki on 2007-06-18 19:57.
| Author(s) | : | L.D. Carr, I. Sakrejda, T.A. Trainor |
| Date | : | Jul. 27, 1998 |
| File(s) | : | sn0357.ps.gz |
| Abstract | : | The feasability of adapting NA49 cluster morphology measures to STAR TPC hit reconstruction is examined. Such measures provide a wealth of information about cluster shapes. It is found that the cuts resulting from these measures permit the cluster deconvolution algorithm in the hit finder to search 45% less clusters in the inner sector and 15% less clusters in the outer sector without appreciable loss of efficiency. Because this algorithm is computationally expensive, these measures represent a substantial savings in event reconstruction time. Furthermore they have applications in identifying secondaries and improving chi**2 fits for tracks, in estimating dip and crossing angle, and in event by event physics.
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