Journal Article

PUBDB-2023-04248

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Destructive breakdown studies of irradiated LGADs at beam tests for the ATLAS HGTD

Beresford, L. A.Extern*DESY* ; Boumediene, D. E. (Corresponding author) ; Castillo García, L. ; Corpe, L. D. ; Da Cunha Sargedas de Sousa, M. J. ; Jarrari, H. E. ; Eshkevarvakili, A. ; Grieco, C. ; Grinstein, S. ; Guindon, S. ; Howard, A. ; Kramberger, G. ; Kurdysh, O. ; Mazini, R. ; Missio, M. ; Morenas, M. ; Perrin, O. ; Raskina, V. ; Saito, G. ; Trincaz-Duvoid, S.

2023
Inst. of Physics London

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Please use a persistent id in citations: doi:10.1088/1748-0221/18/07/P07030  doi:10.3204/PUBDB-2023-04248

Report No.: arXiv:2306.12269

Abstract: In the past years, it has been observed at several beam test campaigns thatirradiated LGAD sensors break with a typical star shaped burn mark whenoperated at voltages much lower than those at which they were safely operatedduring laboratory tests. The study presented in this paper was designed todetermine the safe operating voltage that these sensors can withstand. Manyirradiated sensors from various producers were tested in two test beamfacilities, DESY (Hamburg) and CERN-SPS (Geneva), as part of ATLAS HighGranularity Timing Detector (HGTD) beam tests. The samples were placed in thebeam and kept under bias over a long period of time in order to reach a highnumber of particles crossing each sensor. Both beam tests lead to a similarconclusion, that these destructive events begin to occur when the averageelectric field in the sensor becomes larger than12 V/μm.

Keyword(s): ATLAS ; electric field ; semiconductor detector ; avalanche ; power supply ; damage ; irradiation ; Solid state detectors ; Timing detectors

Note: Published version

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Contributing Institute(s):

1. LHC/ATLAS Experiment (ATLAS)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)

Experiment(s):

1. LHC: ATLAS

Appears in the scientific report 2023

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Essential Science Indicators ; National-Konsortium ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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