Performance Evaluation of Performance Evaluation of SiPM Arrays under Strong SiPM Arrays under Strong Magnetic Fields Magnetic Fields S España 1 , G Tapias 2 , L M Fraile 1 , J L Herraiz 1 , E Vicente 1,3 , J M Udias 1 , M Desco 2 , J J Vaquero 2 1 Grupo de Física Nuclear, Dpto. Física Atómica, Molecular y Nuclear, Universidad Complutense, Madrid, Spain 2 Unidad de Medicina y Cirugía Experimental, Hospital General Universitario Gregorio Marañón, Madrid, Spain 3 Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
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Performance Evaluation of SiPM Arrays under Strong Magnetic Fields S España 1, G Tapias 2, L M Fraile 1, J L Herraiz 1, E Vicente 1,3, J M Udias 1, M Desco.
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Performance Evaluation of SiPM Performance Evaluation of SiPM Arrays under Strong Magnetic Arrays under Strong Magnetic
FieldsFieldsS España1, G Tapias2, L M Fraile1, J L Herraiz1, E Vicente1,3,
J M Udias1, M Desco2, J J Vaquero2
1Grupo de Física Nuclear, Dpto. Física Atómica, Molecular y Nuclear, Universidad Complutense, Madrid, Spain 2Unidad de Medicina y Cirugía Experimental, Hospital General Universitario Gregorio Marañón, Madrid, Spain 3Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
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IntroductionIntroduction
SiPM (G-APD, MPPC, …) have many advantages compared to APD and PMT:
•High gain•Low Voltage•Fast Timing•Compact size•Low cost•Compatible with magnetic fields
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Calorimeter Tests of SiPMsCalorimeter Tests of SiPMs
CALICE-HCAL (ILC): CAlorimeter for the Linear Collider Experiment
CALICE-HCAL (ILC): CAlorimeter for the Linear Collider Experiment
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GoalsGoals
• Previous results: Previous results:
SiPMs (1 × 1 mmSiPMs (1 × 1 mm22))
• New results:New results:
2 x 2 SiPM array (6 × 6 mm2 x 2 SiPM array (6 × 6 mm22))
Strong Magnetic Field (7 Tesla)Strong Magnetic Field (7 Tesla)
1 mm1 mm
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MaterialsMaterials
VendorVendorActive Active
area (mmarea (mm22))Number of Number of
PixelsPixelsPixel Pixel
size (size (μμm)m)PDE PDE (%)(%)
Hamamatsu
(2 × 2 array)6 × 6
3600/
element50 5050
Single crystalSingle crystalCrystal matrixCrystal matrix
4 × 44 × 4
10 10 × 10 × 20 mmmm33 LYSO LYSO 1.5 x 1.5 x 12 mm1.5 x 1.5 x 12 mm33 LYSO LYSO
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Bruker BioSpec 70/20 USR7 Tesla
LIM – Hospital Gregorio Marañón
MaterialsMaterials
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Experimental SetupExperimental Setup1.- Single crystal1.- Single crystal