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Improving pixel detectors: Active area optimization and high temperature annealing

Fadeyev, V. ; Gerling, M. ; Wright, J. ; Maddock, P. ; Betancourt, C. ; Hurley, F. ; Sadrozinski, H.F.-W.

2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC), 2009, p.1674-1677

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Título:
Improving pixel detectors: Active area optimization and high temperature annealing
Autor: Fadeyev, V. ; Gerling, M. ; Wright, J. ; Maddock, P. ; Betancourt, C. ; Hurley, F. ; Sadrozinski, H.F.-W.
Assuntos: Annealing ; Application specific integrated circuits ; Collision mitigation ; Detectors ; Large Hadron Collider ; Laser beam cutting ; Mechanical sensors ; Sensor phenomena and characterization ; Silicon ; Temperature sensors
É parte de: 2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC), 2009, p.1674-1677
Descrição: The existing pixel tracking detectors of ATLAS and CMS experiments will have to be replaced after LHC luminosity upgrade (super-LHC or sLHC), due to increased radiation level and tracking performance requirements. We are studying device active area re-optimization by cutting away dead area and some of the guard rings of existing sensors. Performance of the cut sensors will be described. We also present a feasibility study of operating irradiated silicon sensors after extreme temperature excursion characteristic of a standard bump-bonding process. This is relevant for high dose radiation studies before a sLHC-quality readout ASIC is developed.
Editor: IEEE
Idioma: Inglês

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