Study of resistive micromegas detectors in a mixed neutron and photon radiation environment

被引：9

作者：

Alexopoulos, T. ^{[1
]}

Iakovidis, G. ^{[1
,2
]}

Tsipolitis, G. ^{[1
]}

机构：

[1] Natl Tech Univ Athens, GR-15773 Zografos, Greece

[2] Brookhaven Natl Lab, Upton, NY 11973 USA

来源：

JOURNAL OF INSTRUMENTATION | 2012年 / 7卷

关键词：

Gaseous detectors; Micropattern gaseous detectors (MSGC; GEM; THGEM; RETHGEM; MHSP; MICROPIC; MICROMEGAS; InGrid; etc); Detector modelling and simulations II (electric fields; charge transport; multiplication and induction; pulse formation; electron emission etc); Muon spectrometers;

D O I：

10.1088/1748-0221/7/05/C05001

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Muon ATLAS Micromegas Activity (MAMMA) focuses on the development and testing of large-area muon detectors based on the bulk-Micromegas technology. These detectors are candidates for the upgrade of the ATLAS Muon System in view of the luminosity upgrade of Large Hadron Collider at CERN (sLHC). They will combine trigger and precision measurement capability in a single device. A novel protection scheme using resistive strips above the read-out electrode has been developed. The response and sparking properties of resistive Micromegas detectors were successfully tested in a mixed (neutron and gamma) high radiation environment supplied by the Tandem accelerator at the N.C.S.R. Demokritos in Athens. Monte-Carlo studies have been employed to study the effect of 5.5 MeV neutrons impinging on Micromegas detectors. The response of the Micromegas detectors on the photons originating from the inevitable neutron inelastic scattering on the surrounding materials of the experimental facility was also studied.

引用

页数：7

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