Pattern Recognition of Charged Particles for the VENUS Central Drift Chamber

Details Pattern Recognition of Charged Particles for the VENUS Central Drift Chamber Pattern Recognition of Charged Particles for the VENUS Central Drift Chamber

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jajap..25.1049n&link_type=abstract

Japanese Journal of Applied Physics, Volume 25, Issue 7, pp. 1049 (1986).

Physics

2

Scientific paper

We have been developing a pattern-recognition program based on a road method for the VENUS central drift chamber. A unique feature of our algorithm is that it makes use of a particular cell structure of the central drift chamber. We could, thus, construct an efficient pattern-recognition program by solving left-right ambiguities in an early stage of the track-finding processes. Using Monte-Carlo simulation for the detector response, we can now achieve for hadronic jet events at \sqrt{s}{=}60 GeV a track-finding efficiency of 96%, which is quite stable against the noise and resolution of the drift chamber. A three-dimensional reconstruction efficiency of almost 100% has been obtained for e+e-→μ+μ- events and 92% for hadronic jet events.

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