Computational analysis of irradiation facilities at the JSI TRIGA reactor

Snoj, Luka; Žerovnik, Gašper; Trkov, A.

doi:10.1016/j.apradiso.2011.11.042

Cited by 237 publications

(143 citation statements)

References 17 publications

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“…Neutron irradiated sensors showed a reduced RGH rate compared to sensors at similar proton fluences. This indicates a relation to surface damage, especially charge up of the silicon oxide due to ionizing radiation, which is much smaller for neutron irradiation (still there is some gamma radiation component in the radiation field of the used reactor at JSI 7 [17,18]). It is not easy to spot this behaviour without systematic scan of the phase space.…”

Section: Pos(vertex 2013)027mentioning

confidence: 99%

Planar sensors for future Vertex and Tracking Detectors

Dierlamm¹

2014

Proceedings of 22nd International Workshop on Vertex Detectors — PoS(Vertex2013)

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With increasing instantaneous and integrated luminosities of collision experiments the requirements on position sensitive detectors and sensor materials increase rapidly. Numerous R&D projects of several collaborations have investigated known and new materials with respect to their range of application. This report gives an overview of the current activities and common understanding of planar sensors concentrating on operational aspects.

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Section: Pos(vertex 2013)027mentioning

confidence: 99%

Planar sensors for future Vertex and Tracking Detectors

Dierlamm¹

2014

Proceedings of 22nd International Workshop on Vertex Detectors — PoS(Vertex2013)

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“…The samples were irradiated with neutrons at Ljubljana TRIGA Reactor [15], with 300-MeV pions at PSI, and with 23-, 27-, 70-, and 800-MeV protons at Karlsruhe, Birmingham, CYRIC (Tohoku University, Japan), and Los Alamos accelerators. The 1-MeV neutron equivalent fluence values were calculated using NIEL hardness factors [8].…”

Section: Irradiationmentioning

confidence: 99%

Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade

Hara¹,

Allport²,

Baca³

et al. 2016

Nuclear Instruments and Methods in Physics Research Section A:

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Article:Hara, K., Allport, P.P., Baca, M. et al. ReuseUnless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy solely for the purpose of non-commercial research or private study within the limits of fair dealing. The publisher or other rights-holder may allow further reproduction and re-use of this version -refer to the White Rose Research Online record for this item. Where records identify the publisher as the copyright holder, users can verify any specific terms of use on the publisher's website. TakedownIf you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing eprints@whiterose.ac.uk including the URL of the record and the reason for the withdrawal request.Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade The ATLAS group has evaluated the charge collection in silicon microstrip sensors irradiated up to a fluence of 1 × 10 16 n eq /cm 2 , exceeding the maximum of 1.6 × 10 15 n eq /cm 2 expected for the strip tracker during the high luminosity LHC (HL-LHC) period including a safety factor of 2. The ATLAS12, n þ -on-p type sensor, which is fabricated by Hamamatsu Photonics (HPK) on float zone (FZ) substrates, is the latest barrel sensor prototype. The charge collection from the irradiated 1 Â 1cm 2 barrel test sensors has been evaluated systematically using penetrating β-rays and an Alibava readout system. The data obtained at different measurement sites are compared with each other and with the results obtained from the previous ATLAS07 design. The results are very consistent, in particular, when the deposit charge is normalized by the sensor's active thickness derived from the edge transient current technique (edge-TCT) measurements. The measurements obtained using β-rays are verified to be consistent with the measurements using an electron beam. The edge-TCT is also effective for evaluating the field profiles across the depth. The differences between the irradiated ATLAS07 and ATLAS12 samples have been examined along with the differences among the samples irradiated with different radiation sources: neutrons, protons, and pions. The studies of the bulk properties of the devices show that the devices can yield a sufficiently large signal for the expected fluence range in the HL-LHC, thereby acting as precision tracking sensors.

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“…The three wells can be distinguished by the dips, caused by the electric field from the n-wells. HV-CMOS devices of the three foundries AMS, LFoundry and XFAB have been irradiated with neutrons at the TRIGA mark 3 reactor in Ljubljana [21] to fluences up to 1×10 16 n eq /cm 2 . The…”

Section: Pos(vertex 2016)032mentioning

confidence: 99%

High fluence effects on silicon detectors: damage and defects characterization: An overview of the state of the art of radiation resistance detectors

Wonsak¹

2017

Proceedings of the 25th International Workshop on Vertex Detectors — PoS(Vertex 2016)

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The CERN RD50 collaboration has the aim to investigate radiation hard semiconductor devices for very high luminosity colliders. This is done by looking into four key aspects: Defect/material characterization, detector characterization, new structures and full detector systems. After the Phase II upgrade of the Large Hadron Collider (LHC) the luminosity will increase and therefore the radiation level for the silicon detectors. They have to be able to operate at fluences of up to 2 × 10 16 n eq /cm 2 . To cope with this, new semiconductor sensor technologies have been developed. This article will give a brief overview of the latest results of the RD50 collaboration for the characterization of 3D detectors, HV-CMOS pixel detectors, low gain avalanche detectors (LGAD) and sensors with slim/active edge.

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Computational analysis of irradiation facilities at the JSI TRIGA reactor

Cited by 237 publications

References 17 publications

Planar sensors for future Vertex and Tracking Detectors

Planar sensors for future Vertex and Tracking Detectors

Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade

High fluence effects on silicon detectors: damage and defects characterization: An overview of the state of the art of radiation resistance detectors

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