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Extracting longitudinal shower development information from crystal calorimetry plus tracking
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Brown, D. N., Ilić, Jelena and Mohanty, G. B. (2008) Extracting longitudinal shower development information from crystal calorimetry plus tracking. Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, Volume 592 (Number 3). pp. 254-260. doi:10.1016/j.nima.2008.04.029
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Official URL: http://dx.doi.org/10.1016/j.nima.2008.04.029
Abstract
We present an approach to derive longitudinal shower development information from the longitudinally unsegmented BABAR electromagnetic calorimeter by using tracking information. Our algorithm takes advantage of the good three-dimensional tracking resolution of BABAR, which provides an independent geometric constraint on the shower as measured in the BABAR crystal calorimeter. We show that adding the derived longitudinal shower development information to standard particle identification algorithms significantly improves the low momentum separation of pions from electrons and muons. We also verify that the energy dependence of the electromagnetic shower development we measure is consistent with the prediction of a standard electromagnetic shower model. (C) 2008 Elsevier B.V. All rights reserved.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Particles (Nuclear Physics), Calorimetry, Particle tracks (Nuclear physics), Electromagnetic measurements | ||||
| Journal or Publication Title: | Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment | ||||
| Publisher: | Elsevier Science BV | ||||
| ISSN: | 0168-9002 | ||||
| Official Date: | 21 July 2008 | ||||
| Dates: |
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| Volume: | Volume 592 | ||||
| Number: | Number 3 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | pp. 254-260 | ||||
| DOI: | 10.1016/j.nima.2008.04.029 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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