DECAL: A Reconfigurable Monolithic Active Pixel Sensor for use in Calorimetry and Tracking
S. Benhammadi*,
J. Dopke,
N. Guerrini,
P. Phillips,
I. Sedgwick,
G. Villani,
F. Wilson,
Z. Zhang,
M. Warren,
P.P. Allport,
R. Bosley,
S. Flynn,
L. Gonella,
I. Kopsalis,
K. Nikolopoulos,
T. Price,
N. Watson,
A. Winter and
S. Worm*: corresponding author
Pre-published on:
March 06, 2020
Published on:
April 21, 2020
Abstract
In this paper we describe the DECAL Monolithic Active Pixel Sensor (MAPS) for digital electromagnetic calorimetry. The sensor consists of a matrix of 64x64 55um pixels, and provides a readout at 40MHz of the number of particles which have struck the matrix in the preceding 25ns. It can be configured to report this as a total sum across the sensor (equivalent to the pad of an analogue calorimeter) or the sum per column (equivalent to a traditional strip detector). Design and operation of the sensor is described, and the results of chip characterisation are reported and compared to simulations.
Keywords—CMOS Image Sensor, configurable, calorimetry, tracking
DOI: https://doi.org/10.22323/1.370.0040
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