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Characterization of avalanche photodiodes (APDs) for the electromagnetic calorimeter in the ALICE experiment

Badalà, A. ; Blanco, F. ; La Rocca, P. ; Librizzi, F. ; Pappalardo, G.S. ; Pulvirenti, A. ; Riggi, F. ; Vernet, R. ; Awes, T.C. ; Muller, H. ; Tupikin, N.

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2008-10, Vol.596 (1), p.122-125 [Periódico revisado por pares]

United States: Elsevier B.V

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Título:
Characterization of avalanche photodiodes (APDs) for the electromagnetic calorimeter in the ALICE experiment
Autor: Badalà, A. ; Blanco, F. ; La Rocca, P. ; Librizzi, F. ; Pappalardo, G.S. ; Pulvirenti, A. ; Riggi, F. ; Vernet, R. ; Awes, T.C. ; Muller, H. ; Tupikin, N.
Assuntos: APD ; CALORIMETERS ; Electromagnetic calorimeter ; INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY ; LINEAR COLLIDERS ; PARTICLE ACCELERATORS ; PERFORMANCE TESTING ; PHOTODIODES ; Photosensor ; QUANTUM EFFICIENCY ; SCINTILLATIONS ; Silicon avalanche photodiode
É parte de: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2008-10, Vol.596 (1), p.122-125
Notas: DE-AC05-00OR22725
USDOE Office of Science (SC)
Descrição: The Electromagnetic Calorimeter (EMCal) of the ALICE experiment at LHC will extensively make use of avalanche photodiodes (APDs) for the readout of scintillation light. The large sensitive area, high quantum efficiency and low dark current make this type of photosensors well-suited for the EMCal requirements. A testing activity is currently in progress in order to characterize the main properties of these APDs and find the best working conditions. Fundamental tasks are the individual test of all APDs after presetting their nominal gain via the bias control and the study of APD gain coefficients as a function of the applied bias voltage and temperature. An overview of the adopted procedure will be presented, together with a description of preliminary results obtained on a first sample of APDs during the testing activity.
Editor: United States: Elsevier B.V
Idioma: Inglês

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Characterization of avalanche photodiodes (APDs) for the electromagnetic calorimeter in the ALICE experiment

Badalà, A. ; Blanco, F. ; La Rocca, P. ; Librizzi, F. ; Pappalardo, G.S. ; Pulvirenti, A. ; Riggi, F. ; Vernet, R. ; Awes, T.C. ; Muller, H. ; Tupikin, N.

United States: Elsevier B.V

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