Development of a simulation framework for spherical proportional counters

I. Katsioulas , P. Knights (1) , J. Matthews , T. Neep , K. Nikolopoulos , R. Owen , R. Ward

1 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers

The spherical proportional counter is a novel gaseous detector with numerous applications, including direct dark matter searches and neutron spectroscopy. The strengths of the Geant4 and Garfield++ toolkits are combined to create a simulation framework for spherical proportional counters. The interface is implemented by introducing Garfield++ classes within a Geant4 application. Simulated muon, electron, and photon signals are presented, and the effects of gas mixture composition and anode support structure on detector response are discussed.

Mots clés: Detector modelling and simulations I (interaction of radiation with matter; interaction of photons with matter; interaction of hadrons with matter; etc); Detector modelling and simulations II (electric fields; charge transport; multiplication and induction; pulse formation; electron emission; Gaseous detectors; Simulation methods and programs; proportional chamber; dark matter: detector; n: spectrometer; detector: design; gas: admixture; numerical calculations; GEANT; electrode

Domaines: Instrumentations et Détecteurs [physics.ins-det]; Physique des Hautes Energies - Expérience [hep-ex]

I. Katsioulas, P. Knights, J. Matthews, T. Neep, K. Nikolopoulos, et al.. Development of a simulation framework for spherical proportional counters. 15th Topical Seminar on Innovative Particle and Radiation Detectors, Oct 2019, Siena, Italy. pp.C06013, ⟨10.1088/1748-0221/15/06/C06013⟩. ⟨hal-02491229⟩