Explanipedia

Thermal cycling reliability of hybrid pixel sensor modules for the ATLAS High Granularity Timing Detector Open

Y Li, A. Aboulhorma, M. Ait Tamlihat, H. M. Alfanda, N Atanov , et al. · 2025

The reliability of bump connection structures has become a critical aspect of future silicon detectors for particle physics. The High Granularity Timing Detector (HGTD) for the ATLAS experiment at the High-Luminosity Large Hadron Collider …

Development of non amplified Depleted MAPS sensors towards 50 ps timing resolution on charged particles Open

Raimon Casanova, Y. Değerli, Y. Gan, S. Grinstein, F. Guilloux , et al. · 2025

The MiniCactus sensors are demonstrator sensors designed in LFoundry LF15A 150 nm technology, intended to study the performance of non amplified High Voltage High Resistivity CMOS sensors for measurement of time of arrival of charged parti…

Beam test result and digitization of TaichuPix-3: A Monolithic Active Pixel Sensors for CEPC vertex detector Open

H. J. Lü, Tianyuan Zhang, Chang Xu, Shuqi Li, Xinhui Huang , et al. · 2025

The Circular Electron-Positron Collider (CEPC), as the next-generation electron-positron collider, is tasked with advancing not only Higgs physics but also the discovery of new physics. Achieving these goals requires high-precision measure…

The effects in fabrication and performance of carbon doping on IMB-CNM manufactured LGADs Open

Jairo Villegas, Viveka Gautam, Neil Moffat, Lucía Castillo, G. Pellegrini , et al. · 2024

Beam test of a baseline vertex detector prototype for CEPC Open

S. Li, Tianya Wu, Xinhui Huang, Jia Zhou, Ziyue Yan , et al. · 2024

The Circular Electron Positron Collider (CEPC) has been proposed to enable more thorough and precise measurements of the properties of Higgs, W, and Z bosons, as well as to search for new physics. In response to the stringent performance r…

MiniCACTUS-V2: AHEP ASIC Prototype for 50ps Time Resolution Open

Y. Gan, Raimon Casanova, Y. Değerli, S. Grinstein, F. Guilloux , et al. · 2023

Depleted Monolithic Active Pixel Sensors (DMAPS) integrate both sensor and front-end electronics on a single substrate, avoiding the complicated sensor to chip interconnection process. Modern CMOS technology allows a good radiation toleran…

Beam test of a 180 nm CMOS Pixel Sensor for the CEPC vertex detector Open

Tianya Wu, Shuqi Li, Weimin Wang, Jia Zhou, Ziyue Yan , et al. · 2023

The proposed Circular Electron Positron Collider (CEPC) imposes new challenges for the vertex detector in terms of pixel size and material budget. A Monolithic Active Pixel Sensor (MAPS) prototype called TaichuPix, based on a column drain …

Performance of a front-end prototype ASIC for the ATLAS High Granularity timing detector Open

C. Agapopoulou, L. Beresford, D. Boumediene, L. Castillo García, S. Conforti , et al. · 2023

This paper presents the design and characterisation of a front-end prototype ASIC for the ATLAS High Granularity Timing Detector, which is planned for the High-Luminosity phase of the LHC. This prototype, called ALTIROC1, consists of a 5 ×…

Destructive breakdown studies of irradiated LGADs at beam tests for the ATLAS HGTD Open

L. Beresford, D. Boumediene, L. Castillo García, L. D. Corpe, M. J. Da Cunha Sargedas De Sousa , et al. · 2023

In the past years, it has been observed at several beam test campaigns that irradiated LGAD sensors break with a typical star shaped burn mark when operated at voltages much lower than those at which they were safely operated during labora…

Destructive breakdown studies of irradiated LGADs at beam tests for the ATLAS HGTD Open

L. A. Beresford, D. E. Boumediene, L. Castillo García, L. D. Corpe, M. J. Da Cunha Sargedas de Sousa , et al. · 2023

In the past years, it has been observed at several beam test campaigns that irradiated LGAD sensors break with a typical star shaped burn mark when operated at voltages much lower than those at which they were safely operated during labora…

Report on performance of high granularity DMAPS Version 1 Open

F. Huegging, N. Wermes, S. Grinstein · 2023

<p>This deliverable report summarizes the performance studies of the first Depleted Monolithic Active Pixel Sensors (DMAPS) prototypes, which primarily target excellent position resolution (high granularity), carried out in the first…

Performance in beam tests of carbon-enriched irradiated Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector Open

S. Ali, H. Arnold, S.L. Auwens, L. Beresford, D. Boumediene , et al. · 2023

The High Granularity Timing Detector (HGTD) will be installed in the ATLAS experiment to mitigate pile-up effects during the High Luminosity (HL) phase of the Large Hadron Collider (LHC) at CERN. Low Gain Avalanche Detectors (LGADs) will p…

Radiation Hard Prototype Fabrication Open

N. Wermes, F. Huegging, S. Grinstein · 2023

Within WP5 (Development of Monolithic Active Pixel Sensors) Milestone MS20 contains the fabrication of several prototypes. This milestone has been successfully achieved and is reported.

Performance in beam tests of Carbon-enriched irradiated Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector Open

S. Ali, H. Arnold, S. L. Auwens, L. A. Beresford, D. E. Boumediene , et al. · 2023

The High Granularity Timing Detector (HGTD) will be installed in the ATLAS experiment to mitigate pile-up effects during the High Luminosity (HL) phase of the Large Hadron Collider (LHC) at CERN. Low Gain Avalanche Detectors (LGADs) will p…

Comprehensive technology study of radiation hard LGADs Open

E. L. Gkougkousis, L. Castillo Garcia, S. Grinstein, V. Coco · 2022

Towards radiation tolerant sensors for pico-second timing, several dopants are explored. Using a common mask, CNM produced LGADs with boron, boron + carbon and gallium gain layers are studied, under neutron and proton irradiation. With flu…

Performance of radiation hard 3D pixel sensors for the upgrade of the ATLAS Inner Tracker Open

S. Terzo, G. Carlino, S. Grinstein, María Manna, G. Pellegrini , et al. · 2022

The Inner Detector of the ATLAS experiment at CERN will be replaced by a completely new Inner Tracker (ITk) to exploit the performance of the High Luminosity upgrade of the LHC accelerator (HL-LHC). The new detector will have to operate in…

Overview of CNM LGAD results: Boron Si-on-Si and epitaxial wafers Open

C. Grieco, L. Castillo García, Albert Doblas Moreno, E. L. Gkougkousis, S. Grinstein , et al. · 2022

Low Gain Avalanche Detectors (LGADs) are n-on-p silicon sensors with an extra p-layer below the collection electrode which provides signal amplification. When the primary electrons reach the amplification region new electron-hole pairs are…

Performance in beam tests of irradiated Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector Open

C. Agapopoulou, S. Alderweireldt, S. Ali, M. K. Ayoub, D. Benchekroun , et al. · 2022

The High Granularity Timing Detector (HGTD) will be installed in the ATLAS detector to mitigate pile-up effects during the High Luminosity (HL) upgrade of the Large Hadron Collider (LHC) at CERN. The design of the HGTD is based on the use …

Overview of CNM LGAD results: boron Si-on-Si and epitaxial wafers Open

C. Grieco, L. Castillo García, A. Moreno, E. L. Gkougkousis, S. Grinstein , et al. · 2022

Low Gain Avalanche Detectors (LGADs) are n-on-p silicon sensors with an extra p-layer below the collection electrode which provides signal amplification. When the primary electrons reach the amplification region new electron-hole pairs are…

High Granularity Prototype Fabrication 1 Open

N. Wermes, F. Huegging, S. Grinstein · 2022

Within WP5 (Development of Monolithic Active Pixel Sensors) Milestone MS18 contains the fabrication of several prototypes. This milestone has been successfully achieved and is reported.

Status of the CDF silicon detector Open

S. Grinstein · 2022

The CDF Run II silicon micro-strip detector is an essential part of the heavy flavor tagging and forward tracking capabilities of the experiment. Since the commissioning period ended in 2002, about 85% of the 730 k readout channels have be…

Characterization of Irradiated Boron, Carbon-Enriched and Gallium Si-on-Si Wafer Low Gain Avalanche Detectors Open

L. Castillo García, E. L. Gkougkousis, C. Grieco, S. Grinstein · 2021

Low Gain Avalanche Detectors (LGADs) are n-on-p silicon sensors with an extra doped p-layer below the n-p junction which provides signal amplification. The moderate gain of these sensors, together with the relatively thin active region, pr…

Comprehensive technology study of radiation hard LGADs Open

E. L. Gkougkousis, L. Castillo Garcia, S. Grinstein, V. Coco · 2021

Towards radiation tolerant sensors for pico-second timing, several dopants are explored. Using a common mask, CNM produced LGADs with boron, boron + carbon and gallium implanted gain layers are studied under neutron and proton irradiation.…

arXiv : Comprehensive technology study of radiation hard LGADs Open

E. L. Gkougkousis, V. Coco, L. Castillo García, S. Grinstein · 2021

Towards radiation tolerant sensors for pico-second timing, several dopants are explored. Using a common mask, CNM produced LGADs with boron, boron + carbon and gallium implanted gain layers are studied under neutron and proton irradiation.…

The TaichuPix1: a monolithic active pixel sensor with fast in-pixel readout electronics for the CEPC vertex detector Open

Tianya Wu, Wei Wang, S. Grinstein, R. Casanova, Ying Zhang , et al. · 2021

The proposed Circular Electron Positron Collider (CEPC) imposes new challenges for the vertex detector in terms of high resolution, low material, fast readout and low power. The Monolithic Active Pixel Sensor (MAPS) technology has been cho…

Novel 3D Pixel Sensors for the Upgrade of the ATLAS Inner Tracker Open

S. Terzo, M. Boscardin, G. Carlino, G.‐F. Dalla Betta, G. Darbo , et al. · 2021

The ATLAS experiment will undergo a full replacement of its inner detector to face the challenges posed by the High Luminosity upgrade of the Large Hadron Collider (HL-LHC). The new Inner Tracker (ITk) will have to deal with extreme partic…

Layout and performance of HPK prototype LGAD sensors for the High-Granularity Timing Detector Open

X. Yang, S. Alderweireldt, N. Atanov, M. K. Ayoub, J. Barreiro Guimarães da Costa , et al. · 2020

Radiation campaign of HPK prototype LGAD sensors for the High-Granularity Timing Detector (HGTD) Open

X. Shi, M. K. Ayoub, J. Barreiro Guimarães da Costa, Hanhua Cui, R. Kiuchi , et al. · 2020

HGTD Testbeam results of a CNM Gallium-doped LGAD sensor irradiated to 3e15 neutron Open

C. Grieco, L. Castillo García, Vagelis Gkougkousis, S. Grinstein · 2020

The performance of a CNM Gallium-doped LGAD sensor irradiated to 3e15 neutron is studied with a 5 GeV electron beam. Collected charge and efficiency are shown as a function of bias voltage, time resolution as a function of the collected ch…

Radiation hard Depleted Monolithic Active Pixel Sensors with high-resistivity substrates Open

S. Terzo, M. Benoit, Emanuele Cavallaro, Raimon Casanova, Fabian Foerster , et al. · 2019

High Voltage/High resistivity Depleted Monolithic Active Pixel Sensors (HV/HR-DMAPS) is a technology which is becoming of great interest for high energy physics applications.With respect to hybrid pixel detectors the monolithic approach of…

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