Project @ uh accelerator laboratory effects of radiation on silicon detectors
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Project @ UH Accelerator Laboratory: effects of radiation on silicon detectors. Joint publications:

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Project @ UH Accelerator Laboratory: effects of radiation on silicon detectors

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Project @ uh accelerator laboratory effects of radiation on silicon detectors

Project @ UH Accelerator Laboratory:effects of radiation on silicon detectors

  • Joint publications:

    • Effects of activation by proton irradiation on silicon particle detector electric characteristics,S. Väyrynen, J. Räisänen, P. Tikkanen, I.Kassamakov, and E. Tuominen,Journal of Applied Physics 106, 024908 (2009).

    • Breakdown of silicon particle detectors under proton irradiation,S. Väyrynen, J. Räisänen, I. Kassamakov, and E. Tuominen, Journal of Applied Physics 106, 104914 (2009)..

    • The effect of electric field on the radiation tolerance of Float Zone and Magnetic Czochralski silicon particle detectors – S. Väyrynen*, J. Räisänen, P. Tikkanen, J. Härkönen, E. Tuominen, E. Tuovinen, I. Kassamakov, submitted to Nucl. Instr. Meth. in Physics Research A.


Transient current technique tct measurement setup @ helsinki

Transient Current Technique (TCT) measurement setup @ Helsinki

  • TCT is an outstanding method to characterize silicon detectors.

  • Kumpula TCT setup will remind the CERN RD39 cryogenic-TCT setup.

  • The core of the setup - LeCroy 3 Ghz Oscilloscope – operational in Helsinki.

Timo Peltonen’s AutoCAD design of the TCT setup.

First tests results @ Helsinki


Tuition for students from the uh physics department

Tuition for students from the UH Physics Department

Setup for testing LEDs used in stroboscopic SWLI utilizing TCT component (LeGroy & photodetector).

Students attending Measurement Methods in Physics II course in the Helsinki clean room using CV/IV setup .

White-light LED pulse.


Plans for 2010

Plans for 2010

  • Collaboration with UH Accelerator Laboratory:

    • The effect of electric field on the radiation tolerance of silicon particle detectors;

    • Vilnius RD39 project about on-beam lifetime detector characterization;

    • Sample irradiations.

  • TCT – sample measurements.

  • Teaching

    • UH Accelerator Laboratory.

    • ETLA.


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