New Fast Interaction Trigger for ALICE

被引：18

作者：

Trzaska, Wladyslaw Henryk ^{[1
]}

机构：

[1] Univ Jyvaskyla, Dept Phys, PB 35 YFL, FIN-40014 Jyvaskyla, Finland

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2017年 / 845卷

关键词：

Fast Interaction Trigger; HL-LHC; ALICE upgrade; Detector R&D; MCP-PMT; PLANACON XP85012;

D O I：

10.1016/j.nima.2016.06.029

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The LHC heavy-ion luminosity and collision rate from 2021 onwards will considerably exceed the design parameters of the present ALICE forward trigger detectors and the introduction of the Muon Forward Tracker (MFT) will significantly reduce the space available for the new trigger detectors. To comply with these conditions a new Fast Interaction Trigger (FIT) will be built. FIT Will be the main forward trigger, luminometer, and interaction-time detector. It will also determine multiplicity, centrality, and reaction plane of heavy-ion collisions. FIT will consist of two arrays of CherenIMV quartz radiators with MCP-PMT sensors and of a plastic scintillator ring. By increasing the overall acceptance of FIT, the scintillator will improve centrality and event plane resolution. It will also add sensitivity for the detection of beam-gas events and provide some degree of redundancy. FIT is currently undergoing an intense R&D and prototyping period. It is scheduled for installation in ALICE during 2020. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：463 / 466

页数：4

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