Status of the CMS Phase I pixel detector upgrade

被引：2
|
作者：
Spannagel, S. [1 ]
机构：
[1] DESY, Notkestr 85, D-22607 Hamburg, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2016年 / 831卷
关键词：
CMS; Pixel detector; Upgrade; Front-end; Test beam; Resolution;
D O I：
10.1016/j.nima.2016.03.028
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new pixel detector for the CMS experiment is being built, owing to the instantaneous luminosities anticipated for the Phase I Upgrade of the LHC. The new CMS pixel detector provides four-hit tracking while featuring a significantly reduced material budget as well as new cooling and powering schemes. A new front-end readout chip mitigates buffering and bandwidth limitations, and comprises a low threshold comparator. These improvements allow the new pixel detector to sustain and improve the efficiency of the current pixel tracker at the increased requirements imposed by high luminosities and pile-up. This contribution gives an overview of the design of the upgraded pixel detector and the status of the upgrade project, and presents test beam performance measurements of the production readout chip. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：71 / 75
页数：5
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