Study of Photon Detection Efficiency and Position Resolution of BESIII Electromagnetic Calorimeter 后印本

作者： Vindhyawasini Prasad ¹ Chunxiu Liu ¹ Xiaobin Ji ¹ Weidong Li ¹ Huaimin Liu ¹ Xinchou Lou ¹
作者单位：

1. Experimental Physics Division, Institute of High Energy Physics, Beijing, 100049, China
提交时间：2016-09-13 08:48:07

摘要: We study the photon detection efficiency and position resolution of the electromagnetic calorimeter (EMC) of the BESIII experiment. The control sample of the initial-state-radiation (ISR) process of e+e−→γμ+μ− is used at J/ψ and ψ(3770) resonances for the EMC calibration and photon detection efficiency study. Photon detection efficiency is defined as the predicted photon, obtained by performing a kinematic fit with two muon tracks, matched with real photons in the EMC. The spatial resolution of the EMC is defined as the separation in polar (θ) and azimuthal (ϕ) angles between charged track and associated cluster centroid on the front face of the EMC crystals.

Position BESIII

分类： 物理学 >> 核物理学
引用： ChinaXiv:201609.00922 (或此版本 ChinaXiv:201609.00922V1)
DOI:10.12074/201609.00922V1
CSTR:32003.36.ChinaXiv.201609.00922.V1
科创链TXID： f98e545a-c0cb-4c9a-9821-79da70f0f774
推荐引用方式： Vindhyawasini Prasad,Chunxiu Liu,Xiaobin Ji,Weidong Li,Huaimin Liu,Xinchou Lou.Study of Photon Detection Efficiency and Position Resolution of BESIII Electromagnetic Calorimeter.null.[DOI:10.12074/201609.00922V1] (点此复制)

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2016-09-13 08:48:07

ChinaXiv:201609.00922V1

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