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Analysis of testbeam data of the highly granular RPC-steel CALICE digital hadron calorimeter and validation of Geant4 Monte Carlo models
Journal article   Open access   Peer reviewed

Analysis of testbeam data of the highly granular RPC-steel CALICE digital hadron calorimeter and validation of Geant4 Monte Carlo models

M. Chefdeville, J. Repond, J. Schlereth, J.R. Smith, D. Trojand, L. Xia, Q. Zhang, J. Apostolakis, C. Grefe, V. Ivantchenko, …
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, Vol.939(C), pp.89-105
09/21/2019
DOI: 10.1016/j.nima.2019.05.013
url
https://doi.org/10.1016/j.nima.2019.05.013View
Published (Version of record) Open Access

Abstract

We present a study of the response of the highly granular Digital Hadronic Calorimeter with steel absorbers, the Fe-DHCAL, to positrons, muons, and pions with momenta ranging from 2 to 60GeV/c. Developed in the context of the CALICE collaboration, this hadron calorimeter utilises Resistive Plate Chambers as active media, interspersed with steel absorber plates. With a transverse granularity of 1×1cm2 and a longitudinal segmentation of 38 layers, the calorimeter counted 350,208 readout channels, each read out with single-bit resolution (digital readout). The data were recorded in the Fermilab test beam in 2010–11. The analysis includes measurements of the calorimeter response and the energy resolution to positrons and muons, as well as detailed studies of various shower shape quantities. The results are compared to simulations based on Geant4, which utilise different electromagnetic and hadronic physics lists.
Digital calorimetry Gas detectors Geant4 models Imaging calorimeters Linear collider detectors Resistive plate chambers

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