Testbeam performance of a shashlik calorimeter with fine-grained longitudinal segmentation

• Published in: arXiv.org
• Main Authors: Ballerini, G, Berra, A, Boanta, R, Brizzolari, C, Brunetti, G, Catanesi, M G, Cecchini, S, Cindolo, F, Coffani, A, Collazuol, G, Conti, E, F Dal Corso, De Rosa, G, Gola, A, Jollet, C, Longhin, A, Ludovici, L, Magaletti, L, Mandrioli, G, Margotti, A, Mascagna, V, Meregaglia, A, Pari, M, Pasqualini, L, Paternoster, G, Patrizii, L, Piemonte, C, Pozzato, M, Pupilli, F, Prest, M, Radicioni, E, Ruggeri, A C, Sirri, G, Soldani, M, Tenti, M, Terranova, F, Vallazza, E
• Format: Paper Journal Article
• Language: English
• Published: Ithaca Cornell University Library, arXiv.org 18.01.2018
• Subjects: Charged particles; Electron energy; Energy resolution; Linearity; Muons; Neutrinos; Physics - High Energy Physics - Experiment; Physics - Instrumentation and Detectors; Scintillation counters; Segmentation
• ISSN: 2331-8422
• DOI: 10.48550/arxiv.1801.06167

An iron- plastic-scintillator shashlik calorimeter with a 4.3 \(X_0\) longitudinal segmentation was tested in November 2016 at the CERN East Area facility with charged particles up to 5 GeV. The performance of this detector in terms of electron energy resolution, linearity, response to muons and hadron showers are presented in this paper and compared with simulation. Such a fine-grained longitudinal segmentation is achieved using a very compact light readout system developed by the SCENTT and ENUBET Collaborations, which is based on fiber-SiPM coupling boards embedded in the bulk of the detector. We demonstrate that this system fulfills the requirements for neutrino physics applications and discuss performance and additional improvements.