Coupling of a BaF2 scintillator to a TMAE photocathode and a low-pressure wire chamber

Abstract : The short wavelength component of a BaF2 scintillator has been successfully coupled to a tetrakis(dimethylamino)ethylene (TMAE) photocathode and a low-pressure wire chamber. An energy resolution of 28.5% fwhm has been measured for protons losing about 18 MeV in the crystal. A timing resolution of 540 ps fwhm has been measured for 350 MeV α-particles. We foresee a new generation of calorimeters with good spatial, temporal, and energy resolution, able to work at high rates. Other possible applications are also discussed.
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D.F. Anderson, R. Bouclier, G. Charpak, S. Majewski, G. Kneller. Coupling of a BaF2 scintillator to a TMAE photocathode and a low-pressure wire chamber. Nuclear Instruments and Methods in Physics Research, Elsevier, 1983, 217 (1-2), pp.217-223. ⟨10.1016/0167-5087(83)90137-0⟩. ⟨hal-02156250⟩

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