Radiation effects on ALICE V0 detector components

Abstract : The 60 MeV proton beam delivered by the RADEF facility of the University of Jyväskylä (Finland) was used to measure the radiation effects on the counter components of the V0 detector of ALICE. There are the scintillator BC404, the wavelength shifting fibres BCF9929A and the optical fibres BCF98 from Bicron (Saint-Gobain). The light yield and the time resolution given by a counter of the inner ring of the V0C array, mounted within a dedicated device, were measured as a function of the radiation dose up to about 300 krad. A global light attenuation of the order of 30% can be anticipated during 10 years of ALICE running.
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Submitted on : Thursday, November 16, 2006 - 8:56:52 AM
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B. Cheynis, L. Ducroux, J.-Y. Grossiord, A. Guichard, P. Pillot, et al.. Radiation effects on ALICE V0 detector components. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2006, 569, pp.732-736. ⟨10.1016/j.nima.2006.09.086⟩. ⟨in2p3-00114209⟩



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