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Performance of a spaghetti calorimeter prototype with tungsten absorber and garnet crystal fibres

  • L. An
  • , E. Auffray
  • , F. Betti
  • , F. Dall'Omo
  • , D. Gascon
  • , A. Golutvin
  • , Y. Guz
  • , S. Kholodenko
  • , L. Martinazzoli
  • , J. Mazorra De Cos
  • , E. Picatoste
  • , M. Pizzichemi
  • , P. Roloff
  • , M. Salomoni
  • , D. Sanchez
  • , A. Schopper
  • , A. Semennikov
  • , P. Shatalov
  • , E. Shmanin
  • , D. Strekalina
  • Y. Zhang

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

18 Citas (Scopus)

Resumen

A spaghetti calorimeter (SPACAL) prototype with scintillating crystal fibres was assembled and tested with electron beams of energy from 1 to 5 GeV. The prototype comprised radiation-hard Cerium-doped Gd3Al2Ga3O12 (GAGG:Ce) and Y3Al5O12 (YAG:Ce) embedded in a pure tungsten absorber. The energy resolution was studied as a function of the incidence angle of the beam and found to be of the order of 10%/E⊕1%, in line with the LHCb Shashlik technology. The time resolution was measured with metal channel dynode photomultipliers placed in contact with the fibres or coupled via a light guide, additionally testing an optical tape to glue the components. Time resolution of a few tens of picosecond was achieved for all the energies reaching down to (18.5 ± 0.2) ps at 5 GeV.

Idioma originalInglés
Número de artículo167629
PublicaciónNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volumen1045
DOI
EstadoPublicada - 1 ene. 2023
Publicado de forma externaSí

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