Shashlik calorimeters for the ENUBET tagged neutrino beam

G. Ballerini , A. Berra , R. Boanta , M. Bonesini , C. Brizzolari , G. Brunetti , M. Calviani , S. Carturan , M.G. Catanesi , S. Cecchini , F. Cindolo , A. Coffani , G. Collazuol , E. Conti , F. Dal Corso , C. Delogu , G. De Rosa , A. Gola , R.A. Intonti , C. Jollet (1) , Y. Kudenko , M. Laveder , A. Longhin , P.F. Loverre , L. Ludovici , L. Magaletti , G. Mandrioli , A. Margotti , V. Mascagna , N. Mauri , A. Meregaglia (2) , M. Mezzetto , M. Nessi , A. Paoloni , M. Pari , E. Parozzi , L. Pasqualini , G. Paternoster , L. Patrizii , C. Piemonte , M. Pozzato , M. Prest , F. Pupilli , E. Radicioni , C. Riccio , A.C. Ruggieri , G. Sirri , M. Soldani , M. Tenti , F. Terranova , M. Torti , E. Vallazza , M. Vesco , L. Votano

1 IPHC - Institut Pluridisciplinaire Hubert Curien
2 CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan

Shashlik calorimeters equipped with a compact readout based on Silicon PhotoMultipliers can be longitudinally segmented by directly coupling the WLS fibers with the photosensors thus embedding the readout in the bulk of the calorimeter. Results on energy resolution and particle identification for such calorimeters are presented. The SiPMs for the readout have also been characterized after being exposed to neutron fluences up to 2×10$^{11}$ n/cm$^2$ (1 MeV eq.). Alternative options for the active material were also investigated; we studied in particular polysiloxane as a substitute for plastic scintillator.

Mots clés: wavelength shifter: fibre; photomultiplier: silicon; calorimeter: design; particle identification; scintillation counter; energy resolution; silicon: oxygen; irradiation

Domaines: Instrumentations et Détecteurs [physics.ins-det]

G. Ballerini, A. Berra, R. Boanta, M. Bonesini, C. Brizzolari, et al.. Shashlik calorimeters for the ENUBET tagged neutrino beam. 18th International Conference on Calorimetry in Particle Physics, May 2018, Eugene, United States. pp.012032, ⟨10.1088/1742-6596/1162/1/012032⟩. ⟨hal-02136320⟩