Published in

Trans Tech Publications, Solid State Phenomena, (108-109), p. 315-320, 2005

DOI: 10.4028/www.scientific.net/ssp.108-109.315

Trans Tech Publications, Solid State Phenomena, p. 315-320

DOI: 10.4028/3-908451-13-2.315

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Bulk radiation damage induced in thin epitaxial silicon detectors by 24 GeV protons

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Preprint: archiving forbidden
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Postprint: archiving forbidden
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Data provided by SHERPA/RoMEO

Abstract

Radiation hardness of silicon detectors based on thin epitaxial layer for the LHC upgrade was studied. No type inversion was observed after irradiation by 24 GeV protons in the fluence range (1.5-10)(.)10(15) cm(-2) due to overcompensating donor generation. After long-term annealing highly irradiated devices show decrease of effective doping concentration and then undergo type inversion. All mentioned means that thin epitaxial devices might be used for inner-most layers of vertex detectors and need moderate cooling during beam off time. Properly chosen scenario might help to restore their working characteristics.