Scenarios about the long-time damage of silicon as material and detectors operating beyond LHC collider conditions

Details Scenarios about the long-time damage of silicon as material and detectors operating beyond LHC collider conditions Scenarios about the long-time damage of silicon as material and detectors operating beyond LHC collider conditions

2004-02-23

arxiv.org/abs/hep-ph/0402233v1

Phys.Scripta 71 (2005) 31-38

Physics

High Energy Physics

High Energy Physics - Phenomenology

submitted to Physica Scripta Work in the frame of CERN RD-50 Collaboration

Scientific paper

10.1088/0031-8949/71/1/005

For the new hadron collider LHC and some of its updates in luminosity and energy, as SLHC and VLHC, the silicon detectors could represent an important option, especially for the tracking system and calorimetry. The main goal of this paper is to analyse the expected long-time degradation in the bulk of the silicon as material and for silicon detectors, in continuous radiation field, in these hostile conditions. The behaviour of silicon in relation to various scenarios for upgrade in energy and luminosity is discussed in the frame a phenomenological model developed previously by the authors. Different silicon material parameters resulting from different technologies are considered to evaluate what materials are harder to radiation and consequently could minimise the degradation of device parameters in conditions of continuous long time operation.

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