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Performance of the VENUS lead-glass calorimeter at TRISTAN |
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| Affiliation: | 1. National Science Center Kharkov Institute of Physics and Technology, 1 Akademicheskaya St., Kharkov 61108, Ukraine;2. Ben-Gurion University of the Negev, Department of Nuclear Engineering, P.O. Box 653, Beer-Sheva 84105, Israel;1. Department of Mining and Mineral Resources Engineering, Southern Illinois University Carbondale, IL 62901, USA;2. Department of Mathematical and Statistical Sciences, Jackson State University, Jackson, MS 39217, USA |
| Abstract: | The initial performance of the VENUS barrel electromagnetic calorimeter at TRISTAN is described. The calorimeter is composed of 5160 lead-glass counters in a semi-tower arrangement. An energy resolution of 3.8% was obtained for 26 GeV Bhabha events. The neutral pions in the hadronic events were reconstructed with a mass resolution of σ = 16 MeV. The gain of the lead-glass counters was stable within 2% during a four months operation at TRISTAN. |
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