A lead/proportional-tube electromagnetic calorimeter for direct photon detection

L. Camilleri, L. Dick, J. B. Jeanneret, G. Von Dardel, S. Baumann, A. Bernasconi, B. Gabioud, F. Gaille, C. Joseph, J. F. Loude, C. Morel, J. L. Pages, J. P. Perroud, D. Ruegger, G. Sozzi, D. Steiner, L. Studer, M. T. Tran, E. C. Dukes, D. HubbardO. E. Overseth, C. Rivers, G. R. Snow, G. Valenti, R. Breedon, R. L. Cool, P. T. Cox, P. Cushman, P. Giacomelli, R. W. Rusack, A. Vacchi

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

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 languageEnglish (US)
Pages (from-to)49-60
Number of pages12
JournalNuclear Inst. and Methods in Physics Research, A
Volume286
Issue number1-2
DOIs
StatePublished - Jan 1 1990

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