Performance of an Electromagnetic Calorimeter with Lead-tungstate Crystals(I. Nuclear Physics)

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概要

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• The performance of an electromagnetic calorimeter with lead-tungstate (PWO) crystals was tested by using 1 GeV photons. The calorimeter consisted of nine crystals of 20×20×200 mm in size arranged in a 3×3 array. The energy resolution was obtained to be σ_E/E=(2.50±0.75%) /√<E>【○!+】(1.25±0.34%) with a photomultiplier tube (PMT) reading all signals. Another setup, reading the central cell with an avalanche photo diode (APD) and the surrounding 8 cells with the PMT, was also studied, however, its energy resolution was not scaled with the stochastic function and we found the resolution of about 10% around 1 GeV.

• 東北大学の論文

著者

• 山崎 寛仁

  Laboratory of Nuclear Science, Tohoku University

• 山崎 寛仁

  Laboratory Of Nuclear Science Tohoku University

• 杉立 徹

  Department Of Physics Graduate School Of Science Hiroshima University

• 豊田 大介

  Department Of Physics Graduate School Of Science Hiroshima University

• 本間 謙輔

  広大理:ミュンヘン大学

• 槌本 裕二

  広島大・理

• 小原 亮太

  Department of Physics, Graduate School of Science, Hiroshima University

• 杉田 宜之

  Department of Physics, Graduate School of Science, Hiroshima University

• 槌本 裕二

  Department of Physics, Graduate School of Science, Hiroshima University

• 本間 謙輔

  Department of Physics, Graduate School of Science, Hiroshima University

• 杉田 宜之

  Department Of Physics Graduate School Of Science Hiroshima University

• 小原 亮太

  Department Of Physics Graduate School Of Science Hiroshima University

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