Explanipedia

Radiation effects of CERN-PS 24 GeV/c protons in silicon strip sensors, evaluated with ATLAS18 ITk strip sensor test structures Open

I. Mandić, V. Cindro, M. Mikuž, B. Novak, P. Federičová , et al. · 2025

Low dose gamma irradiation study of ATLAS ITk MD8 diodes Open

M. Mikeštíková, V. Fadeyev, P. Federičová, P. Gallus, J. Kozáková , et al. · 2025

Silicon strip detectors developed for the Inner Tracker (ITk) of the ATLAS experiment will operate in a harsh radiation environment of the HL-LHC accelerator. The ITk is thus designed to endure a total fluence of 1.6 × 10 15 1-MeV n eq /cm…

Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques Open

C. Klein, V. Cindro, J. R. Dandoy, V. Fadeyev, P. Federičová , et al. · 2025

With the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk). Comprising an active area of 165m$^2$, the outer detector layers will host strip modul…

Unusual annealing of charge collection efficiency of silicon strip detectors, ATLAS18, irradiated to high fluences with 23 GeV protons Open

I. Mandić, V. Cindro, G. Kramberger, M. Mikuž, M. Puklavec , et al. · 2025

Investigating the impact of the diode edge geometry on the effective active area of silicon sensors using AREA-X Open

A. Poley, G. I. Dyckes, J. Fernández-Tejero, C. Fleta, D. Sperlich , et al. · 2025

Sensors for particle tracking detectors are required to provide a maximum active area in addition to fulfilling performance criteria concerning radiation hardness, charge collection and operating conditions (e.g. leakage current, depletion…

Evolution of the electrical characteristics of the ATLAS18 ITk strip sensors with HL-LHC radiation exposure range Open

J. Fernández-Tejero, Eric Bach, V. Cindro, V. Fadeyev, P. Federičová , et al. · 2025

The objective of the study is to evaluate the evolution of the performance of the new ATLAS Inner-Tracker (ITk) strip sensors as a function of radiation exposure, to ensure the proper operation of the upgraded detector during the lifetime …

Analysis of MOS capacitor with p layer with TCAD simulation Open

Y. Unno, Eric Bach, J. R. Dandoy, V. Fadeyev, C. Fleta , et al. · 2024

Evolution of the electrical characteristics of the ATLAS18 ITk strip sensors with HL-LHC radiation exposure range Open

J. Fernández-Tejero, Eric Bach, V. Cindro, V. Fadeyev, P. Federičová , et al. · 2024

The objective of the study is to evaluate the evolution of the performance of the new ATLAS Inner-Tracker (ITk) strip sensors as a function of radiation exposure, to ensure the proper operation of the upgraded detector during the lifetime …

TCAD simulations of humidity-induced breakdown of silicon sensors Open

I. Ninca, I. Bloch, B. Brüers, V. Fadeyev, J. Fernández-Tejero , et al. · 2024

The breakdown voltage of silicon sensors is known to be affected by the ambient humidity. To understand the sensor's humidity sensitivity, Synopsys TCAD was used to simulate n-in-p sensors for different effective relative humidities. Photo…

TCAD simulation of the electrical performance of the ATLAS18 strip sensor for the HL-LHC Open

C. E. Jessiman, J. R. Dandoy, V. Fadeyev, Robert Griffin, J. Keller , et al. · 2024

To cope with the increased occupancy and radiation dose expected at the High-Luminosity LHC, the ATLAS experiment will replace its current Inner Detector with the Inner Tracker (ITk), consisting of silicon-based pixel and strip sub-detecto…

ATLAS ITk Strip Sensor Quality Assurance Tests and Results of ATLAS18 Pre-production Sensors Open

S. Hirose, P. P. Allport, Eric Bach, M. J. Basso, A. Bhardwaj , et al. · 2024

Towards the high luminosity (HL) operation of the Large Hadron Collider (LHC), the inner tracking system of the ATLAS detector is replaced by a fully silicon-based inner tracker (ITk). Its outer region consists of 17,888 $n^+$-in-$p$ silic…

Preliminary defect level investigation in ATLAS ITk Strip Sensors using DLTS Open

C. Klein, J. R. Dandoy, D. Duvnjak, V. Fadeyev, K. Hara , et al. · 2024

Development of silicon interposers with embedded microchannels and metal re-distribution layer for the integration of hybrid detector systems Open

M. Ullán, Jonathan Correa‐Puerta, Vainius Dauderys, Sergio Cañas Díez, Marta Duch , et al. · 2024

One of the important challenges in the current radiation detector applications, as we advance in the further integration of the systems, is the cooling of the detectors. The larger heat densities, combined with the complexity of hybrid det…

Analysis of the results from Quality Control tests performed on ATLAS18 Strip Sensors during on-going production Open

P. S. Miyagawa, A. A. Affolder, K. Affolder, S. Beaupre, H. P. Beck , et al. · 2024

Identification and recovery of ATLAS18 strip sensors with high surface static charge Open

E. J. Staats, A. A. Affolder, H. P. Beck, A. J. Bevan, Z. Chen , et al. · 2024

Analysis of the quality assurance results from the initial part of production of the ATLAS18 ITK strip sensors Open

Eric Bach, J. Bernabéu, A. Bhardwaj, V. Cindro, B. Crick , et al. · 2024

Long-term humidity exposure of ATLAS18 ITk strip sensors Open

V. Fadeyev, A. A. Affolder, A. Dowling, J. Fernández-Tejero, J. Gunnell , et al. · 2024

The ATLAS collaboration is upgrading its detector for High-Luminosity LHC (HL-LHC) operations scheduled to start in 2029. This involves making a new all-silicon tracker, called Inner Tracker (ITk), with instrumented strip area of 165 m

Hot spot visual evaluation of breakdown locations in ATLAS18 ITk strip sensors and test structures Open

A. Fournier, V. Fadeyev, J. Fernández-Tejero, Bart Hommels, C. E. Jessiman , et al. · 2024

Feasibility study of CSNS as an ATLAS ITk sensor QA irradiation site Open

H. Li, Z. Li, S. Wang, Z. Xu, X. Chen , et al. · 2024

Understanding the Humidity Sensitivity of Sensors with TCAD Simulations Open

Ilona-Stefana Ninca, I. Bloch, B. Brüers, V. Fadeyev, Xavi Fernandez-Tejero , et al. · 2024

The breakdown voltage of silicon sensors without special surface is known to be affected by the ambient humidity. To understand the sensor's humidity sensitivity, Synopsys TCAD was used to simulate n-in-p test structures for different effe…

Gamma irradiation of ATLAS18 ITk strip sensors affected by static charge Open

M. Mikeštíková, V. Fadeyev, P. Federičová, J. Fernández-Tejero, C. Fletag , et al. · 2024

Construction of the new all-silicon Inner Tracker (ITk), developed by the ATLAS collaboration to be able to track charged particles produced at the High-Luminosity LHC, started in 2021 and is expected to continue until 2028. The ITk detect…

Setups for eliminating static charge of the ATLAS18 strip sensors Open

P. Federičová, A. A. Affolder, H. P. Beck, A. J. Bevan, Z. Chen , et al. · 2024

Construction of the new all-silicon Inner Tracker (ITk), developed by the ATLAS collaboration to be able to track charged particles produced at the High-Luminosity LHC, started in 2020 and is expected to continue till 2028. The ITk detecto…

Setups for eliminating static charge of the ATLAS18 strip sensors Open

P. Federičová, A. A. Affolder, H. P. Beck, A. J. Bevand, Z. Chen , et al. · 2023

Construction of the new all-silicon Inner Tracker (ITk), developed by the ATLAS collaboration for the High Luminosity LHC, started in 2020 and is expected to continue till 2028. The ITk detector will include 18,000 highly segmented and rad…

Establishing the Quality Assurance programme for the strip sensor production of the ATLAS tracker upgrade including irradiation with neutrons, photons and protons to HL-LHC fluences Open

I. Kopsalis, P. P. Allport, Eric Bach, A. Bhardwaj, A. S. Chisholm , et al. · 2023

The successful pre-production delivery of strip sensors for the new Inner Tracker (ITk) for the upgraded ATLAS detector at the High Luminosity LHC (HL-LHC) at CERN was completed and based on their performance full production has commenced.…

Monitoring Quality of ATLAS ITk Strip Sensors Through Database Open

V. Fadeyev, Marek Beránek, Eric Bach, Matthew L. Basso, A. Blue , et al. · 2023

The high-Luminosity LHC upgrade necessitates a complete replacement of the ATLAS Inner Detector with a larger all-silicon tracker. The strip portion of it covers 165 m$^2$ area, afforded by the strip sensors. Following several prototype it…

Experimental Study and Empirical Modeling of Long Term Annealing of the ATLAS18 Strip Sensors Open

R. S. Orr, A. A. Affolder, P. P. Allport, M. J. Basso, J. Bernabeu , et al. · 2023

In order to continue the program of the LHC, the accelerator will be upgraded to the High Luminosity LHC (HL-LHC), which will have a design luminosity of $5 \\times 10^{34} cm^{-2}s^{-1}$ , an order of magnitude greater than the present ma…

Specifications and pre-production of n<sup>+</sup>-in-p large-format strip sensors fabricated in 6-inch silicon wafers, ATLAS18, for the Inner Tracker of the ATLAS Detector for High-Luminosity Large Hadron Collider Open

Y. Unno, S. H. Abidi, A. A. Affolder, K. Affolder, P. P. Allport , et al. · 2023

The ATLAS experiment is constructing new all-silicon inner tracking system for HL-LHC. The strip detectors cover the radial extent of 40 to 100 cm. A new approach is adopted to use p-type silicon material, making the readout in n + -strips…

Characterization of the polysilicon resistor in silicon strip sensors for ATLAS inner tracker as a function of temperature, pre- and post-irradiation Open

V. Latoňová, P. P. Allport, Eric Bach, J. Bernabeu, A. S. Chisholm , et al. · 2023

Analysis of humidity sensitivity of silicon strip sensors for ATLAS upgrade tracker, pre- and post-irradiation Open

J. Fernández-Tejero, A. A. Affolder, Eric Bach, M. J. Basso, A. Bhardwaj , et al. · 2023

During the prototyping phase of the new ATLAS Inner-Tracker (ITk) strip sensors, a degradation of the device breakdown voltage at high humidity was observed. Although the degradation was temporary, showing a fast recovery in dry conditions…

Effect of irradiation and annealing performed with bias voltage applied across the coupling capacitors on the interstrip resistance of ATLAS ITk silicon strip sensors Open

J. Kroll, P. P. Allport, A. S. Chisholm, D. Dudáš, V. Fadeyev , et al. · 2022

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