Upgrade of the CMS Hadron Outer Calorimeter with SiPM sensors

被引：8

作者：

Lutz, Benjamin ^{[1
]}

机构：

[1] DESY, D-22603 Hamburg, Germany

来源：

XVTH INTERNATIONAL CONFERENCE ON CALORIMETRY IN HIGH ENERGY PHYSICS (CALOR2012) | 2012年 / 404卷

关键词：

PERFORMANCE; DESIGN;

D O I：

10.1088/1742-6596/404/1/012018

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The CMS Hadron Outer Calorimeter (HO) is undergoing an upgrade to replace the existing photo-detectors (HPDs) with Silicon Photo Multipliers (SiPMs). The chosen device is the Hamamatsu 3 x 3 mm(2), 50 mu m pitch Multi Pixel Photon Counter (MPPC). A complete control system of bias voltage generation, leakage current monitoring, temperature monitoring, and temperature control using solid state Peltier coolers has been developed. The system is design to be a "drop-in" replacement of the HPDs. The complete system of more than 2800 channels has been produced and is currently burned-in. The installation of the SiPM based readout will be performed during the first LHC long shutdown scheduled for 2013.

引用

页数：6

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