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Collaborative Research on Cherenkov and Scintillation Signal Separation Enhancements

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This project involves multiple institutions, including INFN and CNR in Italy, focusing on improving signal separation efficiency between Cherenkov and scintillation signals. Through various work packages, responsibilities have been assigned to teams across institutions for tasks like system design, optical treatments, charge identifier systems, and photodetectors. The project will evaluate CsI: Tl optical properties and explore alternative scintillator materials, aiming for effective space qualification and beam tests, with preliminary data collected at Milano-Bicocca. Funding is requested for mission expenses and material costs.

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Collaborative Research on Cherenkov and Scintillation Signal Separation Enhancements

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  1. The groups involved • INFN • Firenze • Catania/Messina • Pavia • Pisa • Trieste/Udine • Milano Bicocca • External institutions • IMCB-CNR Napoli  Surface treatments and WLS depositions • CNR-IMM-MATIS Catania  Dichroic filters depositions • CNR-IMM Catania  SiC for UV detection • External companies • FBK • ST Microelectronics

  2. Work Packages • WP1: System design, software and simulation, prototype construction • Responsible: Oscar Adriani - Firenze • WP2: Charge identifier system • Responsible: Paolo Maestro – Pisa • WP3: Crystals/radiators and optical treatments • Responsible: Sergio Ricciarini – Firenze • WP4: Photodetectors and electronics • Responsible: ValterBonvicini – Trieste • WP5: Beam tests • Responsible: SebastianoAlbergo – Catania • WP6: Space qualification • Responsible: Guido Castellini - Firenze

  3. Tematiche da affrontare a Milano Ottimizzazione dell’efficacia di separazione del segnale Cherenkov dal segnale di scintillazione (efficienza del materiale nei due segnali, separazione cromatica) Valutazione delle proprietà ottiche di CsI: Tl al variare della concentrazione di tallio Valutazione delle proprietà ottiche di altri materiali scintillatori (ad es. fluoruri o granati) e possibilità di loro utilizzo in alternativa a CsI ---------------------------------------------------------------------------------------------------------------

  4. Mao,Zhang&Zhu – IEEE TNS 355 (2008) 2425 Excitationspectrum Photo-luminescencespectrum Measuredtransmittance Theoreticallimit (internalreflection)

  5. Dati preliminari ottenuti presso Milano-Bicocca

  6. Dati preliminari ottenuti presso Milano-Bicocca

  7. Partecipanti al progetto: Anna Vedda (p.a., 50%) Mauro Fasoli (assegnista, 40%) ------------------------------------------------------------------------------------------------------------------ Finanziamento richiesto per il 2015: Missioni interne (1000) Missioni all'estero (3000) Materiale di consumo (10.000 per campioni, accessori per ottica) TOTALE: 14.000 Euro

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