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The LHCb EM calorimeter and $\pi^{0}$ detection

Authors
  • Jacholkowska, A
Publication Date
Jan 01, 2000
Identifiers
DOI: 10.1016/S0168-9002(00)00007-3
OAI: oai:cds.cern.ch:446341
Source
CERN Document Server
Keywords
Language
English
License
Unknown
External links

Abstract

The LHCb calorimeter system comprises a preshower detector, an electromagnetic and a hadronic calorimeter. The purpose of the calorimeters is to identify and provide an energy and position measurement of photons, electrons and hadrons. The calorimeters are an essential part of the LHCb trigger, and are used in offline analysis. Good photon identification is important for the study of B decays with pi /sup 0/s in the final state, an example of which is the B/sub d//sup 0/ to pi /sup +/ pi /sup -/ pi /sup 0/ decay. This provides an alternative channel to B/sub d//sup 0/ to pi /sup +/ pi /sup -/ for the measurement of the angle alpha of the unitarity triangle. (3 refs).

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