Journal Article

PUBDB-2022-02980

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Evaluation of the DECAL Fully Depleted monolithic sensor for outer tracking and digital calorimetry

Kopsalis, I. (Corresponding author)Extern* ; Allport, P. ; Benhammadi, S. ; Bosley, R. ; Dopke, J. ; Fasselt, L. ; Flynn, S. ; Freeman, P. ; Gonella, L. ; Guerrini, N. ; Issever, C.DESY* ; Nikolopoulos, K. ; Phillips, P. ; Price, T. ; Sedgwick, I. ; Villani, E. G. ; Warren, M. ; Watson, N. K. ; Weber, H. ; Wilson, F. ; Winter, A. ; Worm, S.DESY* ; Zhang, Z.

2022
North-Holland Publ. Co. Amsterdam

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Please use a persistent id in citations: doi:10.1016/j.nima.2022.166955  doi:10.3204/PUBDB-2022-02980

Abstract: The DECAL sensor is a depleted monolithic active pixel sensor (DMAPS) being developed to explore technological solutions for digital electromagnetic calorimeters. For this application, the number of pixels above threshold is used to estimate the shower energy and therefore the pixel size is required to be sufficiently small to avoid hit saturation. The DECAL and DECAL Fully Depleted (FD) sensors have been designed and fabricated in the TowerJazz 180 nm CMOS standard and modified imaging processes, respectively. The latter uses modifications to the implant configuration that improve charge collection and radiation hardness, including to the levels required for barrel ECAL regions of FCC-hh (few 1015 neq/cm2). Both DECAL variants feature a matrix of 64 × 64 pixels with a pitch of 55μm, read out every 25 ns. For DECAL FD, the logic has been modified to extend the in-pixel comparator threshold trim range from five to six bits, with the sixth bit used to de-activate the comparator. Characterisation results for the DECAL FD, including the pixel equalisation matrix, threshold scans testing under monochromatic X-rays and 90Sr source, are presented.

Keyword(s): detector, pixel ; calorimeter, electromagnetic ; pixel, size ; semiconductor detector, pixel ; charge, yield ; showers, energy ; radiation, damage ; saturation ; FCC-hh ; imaging ; X-ray ; logic ; Digital calorimetry ; Depleted MAPS ; TowerJazz modified process ; Pixel equalisation matrix

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Contributing Institute(s):

1. Teilchenphysik (Z_ET)
2. Z_DET (Z_DET)

Research Program(s):

1. 622 - Detector Technologies and Systems (POF4-622) (POF4-622)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2022

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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