Volume 475 - FAIR next generation scientists - 8th Edition Workshop (FAIRness2024) - Main session
Simulation-based performance study of the neutron calorimeter for the compressed baryonic matter experiment
D. Okropiridze*, D. Grzonka and J. Ritman
*: corresponding author
Full text: pdf
Published on: March 04, 2026
Abstract
The Neutron Calorimeter (NCAL), a new detector for the Compressed Baryonic Matter (CBM)
experiment at FAIR, is designed to improve collision centrality and collective flow measurements
in heavy-ion collisions while expanding CBM’s physics scope by covering elementary particle
interactions, such as proton-proton collisions. This study presents a performance evaluation of the
NCAL system using Geant4 simulations, covering an energy range of 1 MeV to 10 GeV for neutrons
and protons, with an emphasis on energy transfer and deposition characteristics. Simulations
demonstrated unique detector response characteristics for neutrons and protons. Based on our
findings, we are developing techniques to improve particle identification and expand our overall
understanding of the detector response. Experimental validation is currently in progress via
several experiments already performed at the mini-CBM facility at GSI. This project facilitates
the integration and commissioning of NCAL for the CBM experiment at FAIR, thereby enhancing
its performance for a broad range of future physics observations.
DOI: https://doi.org/10.22323/1.475.0024
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