Energy calibration of the EMC with Bhabha events at BESIII

被引：0
|
作者：
Liu, ChunXiu [1 ]
机构：
[1] Inst High Energy Phys, Beijing 100049, Peoples R China
来源：
XIV INTERNATIONAL CONFERENCE ON CALORIMETRY IN HIGH ENERGY PHYSICS (CALOR 2010) | 2011年 / 293卷
关键词：
D O I：
10.1088/1742-6596/293/1/012048
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
In this report we present the calibration of energy in the electromagnetic calorimeter using Bhabha events collected with BESIII detector. Since Bhabha events have advantage of high statistics and known kinematics, absolute counter-by-counter calibrations have been performed by matrix conversion method. We have achieved the energy resolution of 2.3% at the beam energy 1.843GeV.
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页数：6
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