Abstract
The fine-grained lead/proportional-tube electromagnetic calorimeter used in CERN experiment UA6 is described. Test-beam results demonstrate linear energy response over a wide dynamic range, position resolution for shower localization reaching 1.7 mm for 70 GeV electrons, and good electron/hadron differentiation. Electron shower transverse widths are measured to be less than 9.0 mm for energies between 3 and 70 GeV. This feature allows us to identify neutral-meson decays yielding two close photon showers that constitute the main background to single-photon detection.
Original language | English (US) |
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Pages (from-to) | 49-60 |
Number of pages | 12 |
Journal | Nuclear Inst. and Methods in Physics Research, A |
Volume | 286 |
Issue number | 1-2 |
DOIs | |
State | Published - Jan 1 1990 |