Abstract
The properties of final modules of a high resolution lead/scintillating-fibre calorimeter to upgrade the backward region of the H1 detector were studied with electrons in the energy range from 2-60 GeV. The electromagnetic calorimeter consists of scintillating fibres with a diameter of 0.5 mm embedded in a lead matrix. This small fibre radius, in combination with a lead-to-fibre ratio of 2.27:1, ensures excellent energy resolution which has been measured to be σ/E = 7.1%/ √E/GeV⊕1.0%. The spatial resolution as a function of energy for impact points at the center of a cell is given by 4.4 mm/√E/GeV + 1.0mm. The time resolution was found to be better than 0.4 ns.
| Original language | English |
|---|---|
| Pages (from-to) | 149-156 |
| Number of pages | 8 |
| Journal | Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
| Volume | 374 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 21 May 1996 |
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