Simulation study of energy resolution, position resolution and >π0-γ separation of a sampling electromagnetic calorimeter at high energies

A. Roy, S. Jain, S. Banerjee, S. Bhattacharya, G. Majumder

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A simulation study of energy resolution, position resolution, and π0-γ separation using multivariate methods of a sampling calorimeter is presented. As a realistic example, the geometry of the calorimeter is taken from the design geometry of the Shashlik calorimeter which was considered as a candidate for CMS endcap for the phase II of LHC running. The methods proposed in this paper can be easily adapted to various geometrical layouts of a sampling calorimeter. Energy resolution is studied for different layouts and different absorber-scintillator combinations of the Shashlik detector. It is shown that a boosted decision tree using fine grained information of the calorimeter can perform three times better than a cut-based method for separation of π0 from γ over a large energy range of 20 GeV-200 GeV.

Original languageEnglish (US)
Article numberP07013
JournalJournal of Instrumentation
Volume12
Issue number7
DOIs
StatePublished - Jul 12 2017

Keywords

  • Calorimeter methods
  • Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)
  • Radiationhard detectors

Fingerprint Dive into the research topics of 'Simulation study of energy resolution, position resolution and >π<sup>0</sup>-γ separation of a sampling electromagnetic calorimeter at high energies'. Together they form a unique fingerprint.

Cite this