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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

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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:
DateEvent
21 July 2008Published
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

Data sourced from Thomson Reuters' Web of Knowledge

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