24–29 May 2020 Postponed
America/Vancouver timezone

A reconfigurable DMAPS for tracking and Digital Electromagnetic Calorimetry

28 May 2020, 15:12
18m
Parallel session talk Sensors Sensors: Solid-state position sensors

Description

The concept of digital calorimetry relies on measuring the number of particles in a shower rather than the energy they deposit. Ultra highly granular calorimeters are required to ensure that there is one particle per cell per readout cycle to avoid saturation effects. A small sensor prototype has been designed and fabricated in the TowerJazz 180 nm CMOS imaging process, using high resistivity 18 μm epitaxial layer. The prototype has a pixel matrix of 64x64 pixels with a pitch of 55x55 μm, and reads out using fast logic at 40 MHz. It can be reconfigured to function as either a binary short strip sensor, for particle tracking including as a pre-shower, or as a pad sensor, counting the number of pixels above threshold for digital calorimetry. We will present the sensor overview, MC simulations in the content of FCC-hh which guided the design, results from testing of the chip, particularly the reconfigurable logic, and results obtained when the device is illuminated with a 1064 nm laser

Primary authors

Tony Price (University of Birmingham (GB)) Philip Patrick Allport (University of Birmingham (UK)) Alasdair Winter (University of Birmingham (GB)) Nigel Watson (University of Birmingham (GB)) Robert Ross Bosley (University of Birmingham (GB)) Laura Gonella (University of Birmingham (UK)) Ioannis Kopsalis (University of Birmingham (GB)) Iain Sedgwick (STFC) Enrico Giulio Villani (Science and Technology Facilities Council STFC (GB)) Zhige Zhang (Particle Physics-Rutherford Appleton Laboratory-STFC - Science) Fergus Wilson (Science and Technology Facilities Council STFC (GB)) Steven Worm (Deutsches Elektronen-Synchrotron (DE))

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