Developing an alternative calorimeter solution for the future Muon Collider: The Crilin design

The Crilin calorimeter represents a novel approach in the development of electromagnetic calorimeters for future colliders, especially for a Muon Collider. This paper details the design and performance of the innovative semi-homogeneous Crilin calorimeter, highlighting its capabilities in mitigating...

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Published inNuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 1069; p. 169973
Main Authors Cantone, C., Cemmi, A., Ceravolo, S., Ciccarella, V., Colao, F., Di Meco, E., Di Sarcina, I., Diociaiuti, E., Gargiulo, R., Gianotti, P., Giraldin, C., Leonardi, E., Lucchesi, D., Moulson, M., Paesani, D., Pastrone, N., Pezzullo, G., Saputi, A., Sarra, I., Scifo, J., Sestini, L., Soldani, M., Tagnani, D., Verna, A., Zuliani, D.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.12.2024
Subjects
Crystals
Electromagnetic calorimeter
Muon Collider
SiPMs
SiPMs
Electromagnetic calorimeter
Muon Collider
Crystals
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Summary:The Crilin calorimeter represents a novel approach in the development of electromagnetic calorimeters for future colliders, especially for a Muon Collider. This paper details the design and performance of the innovative semi-homogeneous Crilin calorimeter, highlighting its capabilities in mitigating beam-induced backgrounds (BIB) while maintaining excellent time resolution (less than 50 ps), longitudinal segmentation, and fine granularity. These performances are achieved throughout a series of stackable and interchangeable lead fluoride (PbF2) crystal matrices readout by surface-mount UV-extended Silicon Photo-multipliers. Simulated and experimental results demonstrate the Crilin design’s potential to work as an efficient and cost-effective alternative to traditional electromagnetic calorimeters. Crilin radiation tolerance is discussed, as measured in several irradiation campaigns, as well as timing performances during a beam test at CERN-H2 with 120 GeV electrons for the latest prototype, Proto-1. Additionally, a description of the results from a recent beam test conducted at the LNF Beam Test Facility with 450 MeV electrons is provided, aiming to measure light yield losses due to irradiation.
ISSN:0168-9002
DOI:10.1016/j.nima.2024.169973